sql: Query to Display Foreign Key Relationships and Name of the Constraint for Each Table in Database

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622

--20170505 --塗聚文 Geovin Du     CREATE DATABASE DuMailSystem GO USE DuMailSystem GO   --1查詢表的及备注说明 SELECT Sysobjects.name AS TABLE_NAME, syscolumns.Id, syscolumns.name AS COLUMN_NAME, systypes.name AS DATA_TYPE, syscolumns.length as CHARACTER_MAXIMUM_LENGTH, sys.extended_properties.[value] AS COLUMN_DESCRIPTION,  syscomments.text as COLUMN_DEFAULT,syscolumns.isnullable as IS_NULLABLE FROM syscolumns INNER JOIN systypes     ON syscolumns.xtype = systypes.xtype     LEFT JOIN sysobjects ON syscolumns.id = sysobjects.id   LEFT OUTER JOIN sys.extended_properties ON   ( sys.extended_properties.minor_id = syscolumns.colid     AND sys.extended_properties.major_id = syscolumns.id)   LEFT OUTER JOIN syscomments ON syscolumns.cdefault = syscomments.id   WHERE syscolumns.id IN     (SELECT id FROM SYSOBJECTS WHERE xtype = 'U') AND (systypes.name <> 'sysname')    -- ORDER BY syscolumns.colid      --2.SQL查询表的所有字段的备注说明 SELECT (case when a.colorder=1 then d.name else '' end) N'表名', a.colorder N'字段序号', a.name N'字段名', (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) N'标识', (case when (SELECT count(*) FROM sysobjects WHERE (name in            (SELECT name           FROM sysindexes           WHERE (id = a.id) AND (indid in                     (SELECT indid                    FROM sysindexkeys                    WHERE (id = a.id) AND (colid in                              (SELECT colid                             FROM syscolumns                             WHERE (id = a.id) AND (name = a.name))))))) AND         (xtype = 'PK'))>0 then '√' else '' end) N'主键', b.name N'类型', a.length N'占用字节数', COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'长度', isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'小数位数', (case when a.isnullable=1 then '√'else '' end) N'允许空', isnull(e.text,'') N'默认值', isnull(g.[value],'') AS N'字段说明' FROM syscolumns a left join systypes b on a.xtype=b.xusertype inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties' --AND d.name='MaterialOrderDetails' left join syscomments e on a.cdefault=e.id left join sys.extended_properties g on a.id=g.major_id AND a.colid = g.minor_id order by object_name(a.id),a.colorder   GO         --造成此问题的原因是由于Sql 2005、2008 删除了系统表 sysproperties 而改用 sys.extended_properties 表所致         --sql server 2008 SELECT a.[name] as '字段名称', (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) as '标识' ,b.name '类型' ,a.length '占用字节数' ,(case when a.isnullable = 1 then '√'else '' end) '允许空' ,isnull(e.text,'') '默认值' ,cast(isnull(g.[value],'') as varchar(100)) AS '字段说明' FROM syscolumns  a left join systypes b on  a.xtype = b.xusertype left join sys.syscomments e on a.cdefault=e.id  left join sys.extended_properties g on a.id = g.major_id AND a.colid = g.minor_id --WHERE a.id =1173579219 --ORDER by a.colorder GO     SELECT * FROM sys.extended_properties SELECT * FROM syscolumns SELECT * FROM sys.syscomments   SELECT a.name,b.value AS 'Description',b.name,c.name AS 'typename',a.length,d.name as 'TableName' FROM syscolumns AS a,sys.extended_properties AS b,systypes AS c,sysobjects as d WHERE a.id=b.major_id AND a.colid=b.minor_id AND a.xtype=c.xusertype AND  a.id=d.id       --主鍵 SELECT a.name,b.value AS 'Description',b.name,c.name AS 'typename',a.length,d.name as 'TableName',dbo.F_GetDescriptionTableName(d.id) AS 'TableDescription' FROM syscolumns AS a,sys.extended_properties AS b,systypes AS c,sysobjects as d ,INFORMATION_SCHEMA.KEY_COLUMN_USAGE as e WHERE a.id=b.major_id AND a.colid=b.minor_id AND a.xtype=c.xusertype AND  a.id=d.id AND d.xtype='U' and e.TABLE_NAME   = d.name and e.COLUMN_NAME=a.name   --表描述 SELECT * FROM sys.extended_properties  WHERE  minor_id=0    SELECT a.id,a.name,b.value AS 'Description' FROM  sysobjects AS a,sys.extended_properties b WHERE a.xtype='U' AND a.id=b.major_id AND minor_id=0         DECLARE @name NVARCHAR(100),@id INT SET @id=21575115 SELECT @name=CONVERT(NVARCHAR(100),b.value)FROM  sysobjects AS a,sys.extended_properties as b WHERE a.xtype='U' AND a.id=b.major_id AND minor_id=0 AND a.id=@id SELECT @name AS '表描述'     ---表描述 if exists(select 1 from sysobjects where name = 'F_GetDescriptionTableName' and xtype = 'FN') drop function F_GetDescriptionTableName go CREATE function F_GetDescriptionTableName (     @id int ) returns nvarchar(400) as begin declare @str nvarchar(100) SELECT @str=CONVERT(NVARCHAR(100),b.value)FROM  sysobjects AS a,sys.extended_properties as b WHERE a.xtype='U' AND a.id=b.major_id AND minor_id=0 AND a.id=@id return isnull(@str,'') end GO       --- SELECT d.name as 'TableName',dbo.F_GetDescriptionTableName(d.id) AS 'TableDescription',a.name as 'FieldName',e.value AS 'FieldDescription',b.name as 'TypeName',a.length as 'Length',a.isnullable as 'IS_NULL' FROM  syscolumns  a,  systypes b,sysobjects d ,INFORMATION_SCHEMA.KEY_COLUMN_USAGE c,sys.extended_properties AS e WHERE  a.xtype=b.xusertype  and  a.id=d.id  and  d.xtype='U' and c.TABLE_NAME   = d.name and c.COLUMN_NAME=a.name AND d.id=e.major_id AND a.id=e.major_id AND a.colid=e.minor_id GO   SELECT d.name as 'TableName',a.name as 'FieldName',b.name as 'TypeName',a.length as 'Length',a.isnullable as 'IS_NULL' FROM  syscolumns  a,  systypes b,sysobjects d ,INFORMATION_SCHEMA.KEY_COLUMN_USAGE c WHERE  a.xtype=b.xusertype  and  a.id=d.id  and  d.xtype='U' and c.TABLE_NAME   = d.name and c.COLUMN_NAME=a.name GO   --Customer,可以加上描述 SELECT c.name   as   FieldName,t.name   as   FieldType,   c.length   as   FieldLength   FROM   SYSCOLUMNS   c   inner   join     systypes   t   on   c.xusertype=t.xusertype   WHERE   c.ID   =   OBJECT_ID('Customer') GO   SELECT c.name   as   FieldName,t.name as   FieldType,e.value AS FieldDescription ,   c.length   as   FieldLength   FROM   SYSCOLUMNS as  c ,systypes  as t,sys.extended_properties AS e  WHERE c.xusertype=t.xusertype AND c.id=e.major_id AND c.colid=e.minor_id AND  c.ID   =   OBJECT_ID('Customer') GO     --查询表 SELECT * FROM ::fn_listextendedproperty (NULL, 'user', 'dbo', 'table', default, default, default)     --收件箱 Receive，發件箱    IF EXISTS (select * from sysobjects where id = object_id(N'[dbo].SendReceiveMailHost') and OBJECTPROPERTY(id, N'IsUserTable') = 1) DROP TABLE SendReceiveMailHost GO  CREATE TABLE SendReceiveMailHost  (     SendHostId INT IDENTITY(1,1) PRIMARY KEY,     SendHostName VARCHAR(100) NOT NULL,     PopHostName VARCHAR(100) NOT NULL,     SendUserName VARCHAR(100) NOT NULL,     SendRealName VARCHAR(100) NOT NULL,     SendPassword VARCHAR(100) NOT NULL,     SendPort INT DEFAULT(25) NOT NULL,     PopPort INT DEFAULT(110) NOT NULL,     SendEnableSsl BIT DEFAULT(0),     SendTimeout INT DEFAULT(10000)   )  GO  -- EXECUTE sp_addextendedproperty N'MS_Description', '收發郵件箱設置表', N'user', N'dbo', N'table', N'SendReceiveMailHost', NULL, NULL --为字段添加描述信息 EXECUTE sp_addextendedproperty N'MS_Description', '自动增长ID号', N'user', N'dbo', N'table', N'SendReceiveMailHost', N'column', N'SendHostId' EXECUTE sp_addextendedproperty N'MS_Description', '發郵件服務地址', N'user', N'dbo', N'table', N'SendReceiveMailHost', N'column', N'SendHostName' EXECUTE sp_addextendedproperty N'MS_Description', '收件郵件服務地址', N'user', N'dbo', N'table', N'SendReceiveMailHost', N'column', N'PopHostName' EXECUTE sp_addextendedproperty N'MS_Description', '發郵件箱', N'user', N'dbo', N'table', N'SendReceiveMailHost', N'column', N'SendUserName' EXECUTE sp_addextendedproperty N'MS_Description', '顯示姓名', N'user', N'dbo', N'table', N'SendReceiveMailHost', N'column', N'SendRealName' EXECUTE sp_addextendedproperty N'MS_Description', '發件箱密碼', N'user', N'dbo', N'table', N'SendReceiveMailHost', N'column', N'SendPassword' EXECUTE sp_addextendedproperty N'MS_Description', '发郵件服務端口', N'user', N'dbo', N'table', N'SendReceiveMailHost', N'column', N'SendPort' EXECUTE sp_addextendedproperty N'MS_Description', '收郵件服務端口', N'user', N'dbo', N'table', N'SendReceiveMailHost', N'column', N'PopPort' EXECUTE sp_addextendedproperty N'MS_Description', '是否安全SSL', N'user', N'dbo', N'table', N'SendReceiveMailHost', N'column', N'SendEnableSsl' EXECUTE sp_addextendedproperty N'MS_Description', '發件延長時間秒', N'user', N'dbo', N'table', N'SendReceiveMailHost', N'column', N'SendTimeout'     SELECT * FROM SendReceiveMailHost;     --收郵件列表ReceiveMail IF EXISTS (select * from sysobjects where id = object_id(N'[dbo].ReceiveMail') and OBJECTPROPERTY(id, N'IsUserTable') = 1) DROP TABLE ReceiveMail GO CREATE TABLE ReceiveMail (     ReceiveId   INT IDENTITY(1,1) PRIMARY KEY,     ReceiveHostId INT NOT NULL         FOREIGN key references SendReceiveMailHost(SendHostId),     ContentType VARCHAR(100) NOT NULL,     ContentEncoding VARCHAR(100) NOT NULL,     ReceiveTo VARCHAR(100),     ReceiveFrom VARCHAR(100),     ReplyTo VARCHAR(100),       ReceiveSubject NVARCHAR(200),     ReceiveBody NTEXT,     ReceiveDate DATETIME    ) GO   EXECUTE sp_addextendedproperty N'MS_Description', '收邮件表', N'user', N'dbo', N'table', N'ReceiveMail', NULL, NULL --为字段添加描述信息 EXECUTE sp_addextendedproperty N'MS_Description', '自动增长ID号', N'user', N'dbo', N'table', N'ReceiveMail', N'column', N'ReceiveId' EXECUTE sp_addextendedproperty N'MS_Description', '收件服务ID，外键', N'user', N'dbo', N'table', N'ReceiveMail', N'column', N'ReceiveHostId' EXECUTE sp_addextendedproperty N'MS_Description', '文件类型', N'user', N'dbo', N'table', N'ReceiveMail', N'column', N'ContentType' EXECUTE sp_addextendedproperty N'MS_Description', '邮件字符编码类型', N'user', N'dbo', N'table', N'ReceiveMail', N'column', N'ContentEncoding' EXECUTE sp_addextendedproperty N'MS_Description', '收件人', N'user', N'dbo', N'table', N'ReceiveMail', N'column', N'ReceiveTo'   EXECUTE sp_addextendedproperty N'MS_Description', '发件人', N'user', N'dbo', N'table', N'ReceiveMail', N'column', N'ReceiveFrom' EXECUTE sp_addextendedproperty N'MS_Description', '回复邮件地址', N'user', N'dbo', N'table', N'ReceiveMail', N'column', N'ReplyTo' EXECUTE sp_addextendedproperty N'MS_Description', '邮件标题', N'user', N'dbo', N'table', N'ReceiveMail', N'column', N'ReceiveSubject' EXECUTE sp_addextendedproperty N'MS_Description', '邮件内容', N'user', N'dbo', N'table', N'ReceiveMail', N'column', N'ReceiveBody' EXECUTE sp_addextendedproperty N'MS_Description', '收件日期', N'user', N'dbo', N'table', N'ReceiveMail', N'column', N'ReceiveDate'         ---收邮件附件列表 ReceiveAttachments IF EXISTS (select * from sysobjects where id = object_id(N'[dbo].ReceiveAttachments') and OBJECTPROPERTY(id, N'IsUserTable') = 1) DROP TABLE ReceiveAttachments GO CREATE TABLE ReceiveAttachments (      AttachmentId INT IDENTITY(1,1) PRIMARY KEY,      AttachmentIdKey  INT NOT NULL         FOREIGN key references ReceiveMail(ReceiveId),      AttachmentFileName NVARCHAR(100) NOT NULL,      AttachmentFileUrl NVARCHAR(500) NOT NULL,      AttachmentImage IMAGE NOT NULL,      AttachmentType VARCHAR(100)     ) GO --來源地址，保存地址 EXECUTE sp_addextendedproperty N'MS_Description', '收邮件附件表', N'user', N'dbo', N'table', N'ReceiveAttachments', NULL, NULL EXECUTE sp_updateextendedproperty N'MS_Description', '收邮件附件表', N'user', N'dbo', N'table', N'ReceiveAttachments', NULL, NULL --为字段添加描述信息 EXECUTE sp_addextendedproperty N'MS_Description', '自动增长ID号', N'user', N'dbo', N'table', N'ReceiveAttachments', N'column', N'AttachmentId' EXECUTE sp_addextendedproperty N'MS_Description', '外鍵ID', N'user', N'dbo', N'table', N'ReceiveAttachments', N'column', N'AttachmentIdKey' EXECUTE sp_addextendedproperty N'MS_Description', '文件名稱', N'user', N'dbo', N'table', N'ReceiveAttachments', N'column', N'AttachmentFileName' EXECUTE sp_addextendedproperty N'MS_Description', '文件地址', N'user', N'dbo', N'table', N'ReceiveAttachments', N'column', N'AttachmentFileUrl' EXECUTE sp_addextendedproperty N'MS_Description', '文件存儲數据庫', N'user', N'dbo', N'table', N'ReceiveAttachments', N'column', N'AttachmentImage' EXECUTE sp_addextendedproperty N'MS_Description', '文件類型', N'user', N'dbo', N'table', N'ReceiveAttachments', N'column', N'AttachmentType'     --郵件聯系人（收件人） IF EXISTS (select * from sysobjects where id = object_id(N'[dbo].Customer') and OBJECTPROPERTY(id, N'IsUserTable') = 1) DROP TABLE Customer GO CREATE TABLE Customer (     Id INT IDENTITY(1,1) PRIMARY KEY,     RealName NVARCHAR(100) NOT NULL,     Email NVARCHAR(100) NOT NULL,     Sex INT NOT NULL,     Title NVARCHAR(50),     Tel VARCHAR(50) ) GO   EXECUTE sp_addextendedproperty N'MS_Description', '郵件聯系人表', N'user', N'dbo', N'table', N'Customer', NULL, NULL --为字段添加描述信息 EXECUTE sp_addextendedproperty N'MS_Description', '自动增长ID号', N'user', N'dbo', N'table', N'Customer', N'column', N'Id' EXECUTE sp_addextendedproperty N'MS_Description', '真实姓名', N'user', N'dbo', N'table', N'Customer', N'column', N'RealName' EXECUTE sp_addextendedproperty N'MS_Description', '邮件地址', N'user', N'dbo', N'table', N'Customer', N'column', N'Email' EXECUTE sp_addextendedproperty N'MS_Description', '性别', N'user', N'dbo', N'table', N'Customer', N'column', N'Sex' EXECUTE sp_addextendedproperty N'MS_Description', '称呼', N'user', N'dbo', N'table', N'Customer', N'column', N'Title' EXECUTE sp_addextendedproperty N'MS_Description', '电话', N'user', N'dbo', N'table', N'Customer', N'column', N'Tel'         --發郵件列表 SendMail IF EXISTS (select * from sysobjects where id = object_id(N'[dbo].SendMail') and OBJECTPROPERTY(id, N'IsUserTable') = 1) DROP TABLE SendMail GO CREATE TABLE SendMail (     SendId INT IDENTITY(1,1) PRIMARY KEY,     SendHostId INT NOT NULL             FOREIGN key references SendReceiveMailHost(SendHostId),             --     SendToId INT NOT NULL            FOREIGN key references Customer(Id),     SendSubject NVARCHAR(500) NOT NULL,     SendBody NTEXT NULL,     SendIs BIT DEFAULT(1),              --1,ok.0,no.     SendDate DATETIME DEFAULT(GETDATE())    ) GO   EXECUTE sp_addextendedproperty N'MS_Description', '發件郵列表', N'user', N'dbo', N'table', N'SendMail', NULL, NULL --为字段添加描述信息 EXECUTE sp_addextendedproperty N'MS_Description', '自动增长ID号', N'user', N'dbo', N'table', N'SendMail', N'column', N'SendId' EXECUTE sp_addextendedproperty N'MS_Description', '發郵件箱ID，外鍵', N'user', N'dbo', N'table', N'SendMail', N'column', N'SendHostId' EXECUTE sp_addextendedproperty N'MS_Description', '收件人ID,外鍵', N'user', N'dbo', N'table', N'SendMail', N'column', N'SendToId' EXECUTE sp_addextendedproperty N'MS_Description', '發件標題', N'user', N'dbo', N'table', N'SendMail', N'column', N'SendSubject' EXECUTE sp_addextendedproperty N'MS_Description', '發件內容', N'user', N'dbo', N'table', N'SendMail', N'column', N'SendBody' EXECUTE sp_addextendedproperty N'MS_Description', '發件是否成功', N'user', N'dbo', N'table', N'SendMail', N'column', N'SendIs' EXECUTE sp_addextendedproperty N'MS_Description', '發件時間', N'user', N'dbo', N'table', N'SendMail', N'column', N'SendDate'       --发邮件附件列表 SendAttachments   IF EXISTS (select * from sysobjects where id = object_id(N'[dbo].SendAttachments') and OBJECTPROPERTY(id, N'IsUserTable') = 1) DROP TABLE SendAttachments GO CREATE TABLE SendAttachments (     AttachmentId INT IDENTITY(1,1) PRIMARY KEY,     AttachmentIdKey INT         FOREIGN key references SendMail(SendId),     AttachmentFileName NVARCHAR(100) NOT NULL,     AttachmentFileUrl NVARCHAR(500) NOT NULL,     AttachmentImage IMAGE NOT NULL,     AttachmentType VARCHAR(100) ) GO --來源地址，保存地址 EXECUTE sp_addextendedproperty N'MS_Description', '发邮件附件表', N'user', N'dbo', N'table', N'SendAttachments', NULL, NULL --为字段添加描述信息 EXECUTE sp_addextendedproperty N'MS_Description', '自动增长ID号', N'user', N'dbo', N'table', N'SendAttachments', N'column', N'AttachmentId' EXECUTE sp_addextendedproperty N'MS_Description', '外鍵ID', N'user', N'dbo', N'table', N'SendAttachments', N'column', N'AttachmentIdKey' EXECUTE sp_addextendedproperty N'MS_Description', '文件名稱', N'user', N'dbo', N'table', N'SendAttachments', N'column', N'AttachmentFileName' EXECUTE sp_addextendedproperty N'MS_Description', '文件地址', N'user', N'dbo', N'table', N'SendAttachments', N'column', N'AttachmentFileUrl' EXECUTE sp_addextendedproperty N'MS_Description', '文件存儲數据庫', N'user', N'dbo', N'table', N'SendAttachments', N'column', N'AttachmentImage' EXECUTE sp_addextendedproperty N'MS_Description', '文件類型', N'user', N'dbo', N'table', N'SendAttachments', N'column', N'AttachmentType' GO   --主键约束 SELECT   tab.name AS [表名],   idx.name AS [主键名称],   col.name AS [主键列名] FROM   sys.indexes idx     JOIN sys.index_columns idxCol       ON (idx.object_id = idxCol.object_id           AND idx.index_id = idxCol.index_id           AND idx.is_primary_key = 1)     JOIN sys.tables tab       ON (idx.object_id = tab.object_id)     JOIN sys.columns col       ON (idx.object_id = col.object_id           AND idxCol.column_id = col.column_id); GO   ---唯一约束 SELECT   tab.name AS [表名],   idx.name AS [约束名称],   col.name AS [约束列名] FROM   sys.indexes idx     JOIN sys.index_columns idxCol       ON (idx.object_id = idxCol.object_id           AND idx.index_id = idxCol.index_id           AND idx.is_unique_constraint = 1)     JOIN sys.tables tab       ON (idx.object_id = tab.object_id)     JOIN sys.columns col       ON (idx.object_id = col.object_id           AND idxCol.column_id = col.column_id); GO   --外键约束 select   oSub.name  AS  [子表名称],   fk.name AS  [外键名称],   SubCol.name AS [子表列名],   oMain.name  AS  [主表名称],   MainCol.name AS [主表列名] from   sys.foreign_keys fk      JOIN sys.all_objects oSub          ON (fk.parent_object_id = oSub.object_id)     JOIN sys.all_objects oMain         ON (fk.referenced_object_id = oMain.object_id)     JOIN sys.foreign_key_columns fkCols         ON (fk.object_id = fkCols.constraint_object_id)     JOIN sys.columns SubCol         ON (oSub.object_id = SubCol.object_id              AND fkCols.parent_column_id = SubCol.column_id)     JOIN sys.columns MainCol         ON (oMain.object_id = MainCol.object_id              AND fkCols.referenced_column_id = MainCol.column_id) GO   --Check约束 SELECT   tab.name AS [表名],   chk.name AS [Check约束名],   col.name AS [列名],   chk.definition FROM   sys.check_constraints chk     JOIN sys.tables tab       ON (chk.parent_object_id = tab.object_id)     JOIN sys.columns col       ON (chk.parent_object_id = col.object_id           AND chk.parent_column_id = col.column_id) GO     --外键约束 SELECT K_Table = FK.TABLE_NAME, FK_Column = CU.COLUMN_NAME, PK_Table = PK.TABLE_NAME, PK_Column = PT.COLUMN_NAME, Constraint_Name = C.CONSTRAINT_NAME FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS C INNER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS FK ON C.CONSTRAINT_NAME = FK.CONSTRAINT_NAME INNER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS PK ON C.UNIQUE_CONSTRAINT_NAME = PK.CONSTRAINT_NAME INNER JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE CU ON C.CONSTRAINT_NAME = CU.CONSTRAINT_NAME INNER JOIN ( SELECT i1.TABLE_NAME, i2.COLUMN_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS i1 INNER JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE i2 ON i1.CONSTRAINT_NAME = i2.CONSTRAINT_NAME WHERE i1.CONSTRAINT_TYPE = 'PRIMARY KEY' ) PT ON PT.TABLE_NAME = PK.TABLE_NAME ---- optional: GO   select     t.name as TableWithForeignKey,     fk.constraint_column_id as FK_PartNo, c.     name as ForeignKeyColumn from     sys.foreign_key_columns as fk inner join     sys.tables as t on fk.parent_object_id = t.object_id inner join     sys.columns as c on fk.parent_object_id = c.object_id and fk.parent_column_id = c.column_id where     fk.referenced_object_id = (select object_id                                from sys.tables                                where name = 'SendMail') order by     TableWithForeignKey, FK_PartNo GO     SELECT  obj.name AS FK_NAME,     sch.name AS [schema_name],     tab1.name AS [table],     col1.name AS [column],     tab2.name AS [referenced_table],     col2.name AS [referenced_column] FROM sys.foreign_key_columns fkc INNER JOIN sys.objects obj     ON obj.object_id = fkc.constraint_object_id INNER JOIN sys.tables tab1     ON tab1.object_id = fkc.parent_object_id INNER JOIN sys.schemas sch     ON tab1.schema_id = sch.schema_id INNER JOIN sys.columns col1     ON col1.column_id = parent_column_id AND col1.object_id = tab1.object_id INNER JOIN sys.tables tab2     ON tab2.object_id = fkc.referenced_object_id INNER JOIN sys.columns col2     ON col2.column_id = referenced_column_id AND col2.object_id = tab2.object_id GO   SELECT PKTABLE_QUALIFIER = CONVERT(SYSNAME,DB_NAME()),        PKTABLE_OWNER = CONVERT(SYSNAME,SCHEMA_NAME(O1.SCHEMA_ID)),        PKTABLE_NAME = CONVERT(SYSNAME,O1.NAME),        PKCOLUMN_NAME = CONVERT(SYSNAME,C1.NAME),        FKTABLE_QUALIFIER = CONVERT(SYSNAME,DB_NAME()),        FKTABLE_OWNER = CONVERT(SYSNAME,SCHEMA_NAME(O2.SCHEMA_ID)),        FKTABLE_NAME = CONVERT(SYSNAME,O2.NAME),        FKCOLUMN_NAME = CONVERT(SYSNAME,C2.NAME),        -- Force the column to be non-nullable (see SQL BU 325751)        --KEY_SEQ             = isnull(convert(smallint,k.constraint_column_id), sysconv(smallint,0)),        UPDATE_RULE = CONVERT(SMALLINT,CASE OBJECTPROPERTY(F.OBJECT_ID,'CnstIsUpdateCascade')                                         WHEN 1 THEN 0                                         ELSE 1                                       END),        DELETE_RULE = CONVERT(SMALLINT,CASE OBJECTPROPERTY(F.OBJECT_ID,'CnstIsDeleteCascade')                                         WHEN 1 THEN 0                                         ELSE 1                                       END),        FK_NAME = CONVERT(SYSNAME,OBJECT_NAME(F.OBJECT_ID)),        PK_NAME = CONVERT(SYSNAME,I.NAME),        DEFERRABILITY = CONVERT(SMALLINT,7)   -- SQL_NOT_DEFERRABLE FROM   SYS.ALL_OBJECTS O1,        SYS.ALL_OBJECTS O2,        SYS.ALL_COLUMNS C1,        SYS.ALL_COLUMNS C2,        SYS.FOREIGN_KEYS F        INNER JOIN SYS.FOREIGN_KEY_COLUMNS K          ON (K.CONSTRAINT_OBJECT_ID = F.OBJECT_ID)        INNER JOIN SYS.INDEXES I          ON (F.REFERENCED_OBJECT_ID = I.OBJECT_ID              AND F.KEY_INDEX_ID = I.INDEX_ID) WHERE  O1.OBJECT_ID = F.REFERENCED_OBJECT_ID        AND O2.OBJECT_ID = F.PARENT_OBJECT_ID        AND C1.OBJECT_ID = F.REFERENCED_OBJECT_ID        AND C2.OBJECT_ID = F.PARENT_OBJECT_ID        AND C1.COLUMN_ID = K.REFERENCED_COLUMN_ID        AND C2.COLUMN_ID = K.PARENT_COLUMN_ID GO     SELECT OBJECT_NAME(parent_object_id) 'Parent table', c.NAME 'Parent column name', OBJECT_NAME(referenced_object_id) 'Referenced table', cref.NAME 'Referenced column name' FROM sys.foreign_key_columns fkc INNER JOIN sys.columns c    ON fkc.parent_column_id = c.column_id       AND fkc.parent_object_id = c.object_id INNER JOIN sys.columns cref    ON fkc.referenced_column_id = cref.column_id       AND fkc.referenced_object_id = cref.object_id  where   OBJECT_NAME(parent_object_id) = 'SendMail' GO   /* CAST IS DONE , SO THAT OUTPUT INTEXT FILE REMAINS WITH SCREEN LIMIT*/ WITH   ALL_KEYS_IN_TABLE (CONSTRAINT_NAME,CONSTRAINT_TYPE,PARENT_TABLE_NAME,PARENT_COL_NAME,PARENT_COL_NAME_DATA_TYPE,REFERENCE_TABLE_NAME,REFERENCE_COL_NAME) AS ( SELECT  CONSTRAINT_NAME= CAST (PKnUKEY.name AS VARCHAR(30)) ,         CONSTRAINT_TYPE=CAST (PKnUKEY.type_desc AS VARCHAR(30)) ,         PARENT_TABLE_NAME=CAST (PKnUTable.name AS VARCHAR(30)) ,         PARENT_COL_NAME=CAST ( PKnUKEYCol.name AS VARCHAR(30)) ,         PARENT_COL_NAME_DATA_TYPE=  oParentColDtl.DATA_TYPE,                REFERENCE_TABLE_NAME='' ,         REFERENCE_COL_NAME=''   FROM sys.key_constraints as PKnUKEY     INNER JOIN sys.tables as PKnUTable             ON PKnUTable.object_id = PKnUKEY.parent_object_id     INNER JOIN sys.index_columns as PKnUColIdx             ON PKnUColIdx.object_id = PKnUTable.object_id             AND PKnUColIdx.index_id = PKnUKEY.unique_index_id     INNER JOIN sys.columns as PKnUKEYCol             ON PKnUKEYCol.object_id = PKnUTable.object_id             AND PKnUKEYCol.column_id = PKnUColIdx.column_id      INNER JOIN INFORMATION_SCHEMA.COLUMNS oParentColDtl             ON oParentColDtl.TABLE_NAME=PKnUTable.name             AND oParentColDtl.COLUMN_NAME=PKnUKEYCol.name UNION ALL SELECT  CONSTRAINT_NAME= CAST (oConstraint.name AS VARCHAR(30)) ,         CONSTRAINT_TYPE='FK',         PARENT_TABLE_NAME=CAST (oParent.name AS VARCHAR(30)) ,         PARENT_COL_NAME=CAST ( oParentCol.name AS VARCHAR(30)) ,         PARENT_COL_NAME_DATA_TYPE= oParentColDtl.DATA_TYPE,             REFERENCE_TABLE_NAME=CAST ( oReference.name AS VARCHAR(30)) ,         REFERENCE_COL_NAME=CAST (oReferenceCol.name AS VARCHAR(30)) FROM sys.foreign_key_columns FKC     INNER JOIN sys.sysobjects oConstraint             ON FKC.constraint_object_id=oConstraint.id     INNER JOIN sys.sysobjects oParent             ON FKC.parent_object_id=oParent.id     INNER JOIN sys.all_columns oParentCol             ON FKC.parent_object_id=oParentCol.object_id /* ID of the object to which this column belongs.*/             AND FKC.parent_column_id=oParentCol.column_id/* ID of the column. Is unique within the object.Column IDs might not be sequential.*/     INNER JOIN sys.sysobjects oReference             ON FKC.referenced_object_id=oReference.id     INNER JOIN INFORMATION_SCHEMA.COLUMNS oParentColDtl             ON oParentColDtl.TABLE_NAME=oParent.name             AND oParentColDtl.COLUMN_NAME=oParentCol.name     INNER JOIN sys.all_columns oReferenceCol             ON FKC.referenced_object_id=oReferenceCol.object_id /* ID of the object to which this column belongs.*/             AND FKC.referenced_column_id=oReferenceCol.column_id/* ID of the column. Is unique within the object.Column IDs might not be sequential.*/   )   select * from   ALL_KEYS_IN_TABLE where       PARENT_TABLE_NAME  in ('SendMail')     or REFERENCE_TABLE_NAME  in ('SendMail') ORDER BY PARENT_TABLE_NAME,CONSTRAINT_NAME; GO             SELECT    f.name AS 'Name of Foreign Key',    OBJECT_NAME(f.parent_object_id) AS 'Table name',    COL_NAME(fc.parent_object_id,fc.parent_column_id) AS 'Fieldname',    OBJECT_NAME(t.object_id) AS 'References Table name',    COL_NAME(t.object_id,fc.referenced_column_id) AS 'References fieldname',      'ALTER TABLE [' + OBJECT_NAME(f.parent_object_id) + ']  DROP CONSTRAINT [' + f.name + ']' AS 'Delete foreign key',      'ALTER TABLE [' + OBJECT_NAME(f.parent_object_id) + ']  WITH NOCHECK ADD CONSTRAINT [' +         f.name + '] FOREIGN KEY([' + COL_NAME(fc.parent_object_id,fc.parent_column_id) + ']) REFERENCES ' +         '[' + OBJECT_NAME(t.object_id) + '] ([' +         COL_NAME(t.object_id,fc.referenced_column_id) + '])' AS 'Create foreign key'     -- , delete_referential_action_desc AS 'UsesCascadeDelete' FROM sys.foreign_keys AS f,      sys.foreign_key_columns AS fc,      sys.tables t WHERE f.OBJECT_ID = fc.constraint_object_id AND t.OBJECT_ID = fc.referenced_object_id AND OBJECT_NAME(t.object_id) = 'SendMail'      --  Just show the FKs which reference a particular table ORDER BY 2 GO

　

?

1 2 3 4 5 6 7 8 9 10 11

---PRIMARY 主鍵 SELECT  tab.name AS 'TableName',  idx.name AS 'PrimaryName',  col.name AS 'FieldName',c.name AS 'TypeName',col.max_length AS 'Length',b.value AS 'TableDescription',col.is_nullable as 'IS_NULL' FROM sys.indexes idx,sys.index_columns idxCol,sys.tables tab,sys.columns col,sys.systypes AS c,sys.extended_properties AS b WHERE idx.object_id = idxCol.object_id AND idx.index_id = idxCol.index_id AND idx.is_primary_key = 1 AND idx.object_id = tab.object_id AND idx.object_id = col.object_id AND idxCol.column_id = col.column_id AND  col.user_type_id=c.xusertype AND tab.object_id=b.major_id AND b.minor_id=0 GO   ---外键约束  FieldDescription            select  oSub.name  AS  SubTableName, dbo.F_GetDescriptionTableName(osub.object_id) AS 'SubTableDescription', fk.name AS  ForeignName,  SubCol.name AS SubFieldName,  oMain.name  AS  MainTableName, dbo.F_GetDescriptionTableName(oMain.object_id) AS 'MainTableDescription', MainCol.name AS MainFieldName,c.name AS 'FieldType',SubCol.max_length AS 'FieldLength' from  sys.foreign_keys fk,sys.all_objects oSub, sys.all_objects oMain, sys.foreign_key_columns fkCols ,sys.columns SubCol,sys.columns MainCol,sys.systypes AS c,sys.extended_properties AS b WHERE  fk.parent_object_id = oSub.object_id AND  fk.referenced_object_id = oMain.object_id AND  fk.object_id = fkCols.constraint_object_id AND  oSub.object_id = SubCol.object_id  AND fkCols.parent_column_id = SubCol.column_id AND oMain.object_id = MainCol.object_id  AND fkCols.referenced_column_id = MainCol.column_id AND SubCol.object_id=b.major_id AND SubCol.user_type_id=c.xusertype  AND b.minor_id=0 AND oMain.name='SendReceiveMailHost'

　　

 备注描述另种写法：

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

--增加表的描述 EXEC sys.sp_addextendedproperty  @name = N'MS_Description', @value = N'母件物料表',  @level0type = N'SCHEMA', @level0name = 'dbo', @level1type = N'TABLE',  @level1name = 'MMBOMPairProduct';  GO       EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'母件物料编号' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'MMBOMPairProduct', @level2type=N'COLUMN',@level2name=N'PMaterielNo' GO EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'父BOM版次' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'MMBOMPairProduct', @level2type=N'COLUMN',@level2name=N'PVersion' GO EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'副产品物料编号' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'MMBOMPairProduct', @level2type=N'COLUMN',@level2name=N'CMaterielNo' GO EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'用量' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'MMBOMPairProduct', @level2type=N'COLUMN',@level2name=N'Dosage' GO EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'说明' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'MMBOMPairProduct', @level2type=N'COLUMN',@level2name=N'Remark' GO

　

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49

--1第一种方法 --增加表描述 EXECUTE sp_addextendedproperty N'MS_Description', '客户本人照片表', N'user', N'dbo', N'table', N'UserPhoto', NULL, NULL GO --删除 EXECUTE sp_dropextendedproperty N'MS_Description',  N'user', N'dbo', N'table', N'UserPhoto', DEFAULT, DEFAULT GO   --为字段添加描述信息 EXECUTE sp_addextendedproperty N'MS_Description', '自动增长ID号', N'user', N'dbo', N'table', N'UserPhoto', N'column', N'UserId' --修改 EXECUTE sp_updateextendedproperty N'MS_Description', '自动增长ID号', N'user', N'dbo', N'table', N'UserPhoto', N'column', N'UserId'   EXECUTE sp_addextendedproperty N'MS_Description', '客户ID，外键', N'user', N'dbo', N'table', N'UserPhoto', N'column', N'UserToId' EXECUTE sp_addextendedproperty N'MS_Description', '相片名称', N'user', N'dbo', N'table', N'UserPhoto', N'column', N'UserName' EXECUTE sp_addextendedproperty N'MS_Description', '相片', N'user', N'dbo', N'table', N'UserPhoto', N'column', N'UserImage' EXECUTE sp_addextendedproperty N'MS_Description', '生成日期', N'user', N'dbo', N'table', N'UserPhoto', N'column', N'UserDate' GO   SELECT * FROM ::fn_listextendedproperty (NULL, 'user', 'dbo', 'TABLE', N'UserPhoto', default, default) GO    SELECT * FROM ::fn_listextendedproperty (NULL, 'user', 'dbo', 'TABLE', N'UserPhoto','column', default) GO   --第二种方法 --sp_updateextendedproperty --增加表描述 EXEC sys.sp_addextendedproperty  @name = N'MS_Description', @value = N'客户本人照片表',  @level0type = N'SCHEMA', @level0name = 'dbo', @level1type = N'TABLE',  @level1name = 'UserPhoto';  GO    --刪除表描述 EXEC sp_dropextendedproperty  @name = N'MS_DescriptionExample', @level0type = N'SCHEMA', @level0name = 'dbo', @level1type = N'TABLE',  @level1name = 'UserPhoto';  GO     EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'单据唯一编号' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'UserPhoto', @level2type=N'COLUMN',@level2name=N'UserId' GO --修改 EXEC sys.sp_updateextendedproperty @name=N'MS_Description', @value=N'单据唯一编号' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'UserPhoto', @level2type=N'COLUMN',@level2name=N'UserId' GO   EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'单据明细内部编号' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'UserPhoto', @level2type=N'COLUMN',@level2name=N'UserToId' GO EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'单据唯一编号' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'UserPhoto', @level2type=N'COLUMN',@level2name=N'UserName' GO EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'单据明细内部编号' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'UserPhoto', @level2type=N'COLUMN',@level2name=N'UserImage' GO EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'单据唯一编号' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'UserPhoto', @level2type=N'COLUMN',@level2name=N'UserDate' GO