sql:MySQL 6.7 表,视图,存储过程结构查询

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#数据库MySQL 6.7   use sakila; #查询表名 show tables; # SELECT TABLE_NAME,TABLE_ROWS FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='sakila';   select column_name from information_schema.columns where table_schema='sakila' and table_name='actor'; #表结构 字段名， 类型，长度 select * from information_schema.columns where table_schema='sakila' and table_name='actor';   # GetTables SELECT TABLE_NAME, '' OWNER, CREATE_TIME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'sakila' AND TABLE_TYPE = 'BASE TABLE' ORDER BY 1; #GetTableColumns SELECT COLUMN_NAME, DATA_TYPE, CHARACTER_OCTET_LENGTH, NUMERIC_PRECISION, NUMERIC_SCALE, CASE IS_NULLABLE WHEN 'NO' THEN 0 ELSE 1 END IS_NULLABLE, COLUMN_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'sakila' AND TABLE_NAME = 'address' ORDER BY ORDINAL_POSITION; #GetViews SELECT TABLE_NAME, '' OWNER, CREATE_TIME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'sakila' AND TABLE_TYPE = 'VIEW' ORDER BY 1; #GetViewColumns SELECT COLUMN_NAME, DATA_TYPE, CHARACTER_OCTET_LENGTH, NUMERIC_PRECISION, NUMERIC_SCALE, CASE IS_NULLABLE WHEN 'NO' THEN 0 ELSE 1 END IS_NULLABLE, COLUMN_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'sakila' AND TABLE_NAME = 'actor_info' ORDER BY ORDINAL_POSITION; #GetTablePrimaryKey SELECT t1.CONSTRAINT_NAME, t1.COLUMN_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE t1 INNER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS t2 ON t2.TABLE_SCHEMA = t1.TABLE_SCHEMA  AND t2.TABLE_NAME = t1.TABLE_NAME AND t2.CONSTRAINT_NAME = t1.CONSTRAINT_NAME WHERE t1.TABLE_SCHEMA = 'sakila' AND t1.TABLE_NAME = 'address' AND t2.CONSTRAINT_TYPE = 'PRIMARY KEY' ORDER BY t1.ORDINAL_POSITION; #GetTableIndexes SELECT INDEX_NAME, COUNT(*) AS COLUMN_COUNT, MAX(NON_UNIQUE) NON_UNIQUE,  CASE INDEX_NAME WHEN 'PRIMARY' THEN 1 ELSE 0 END IS_PRIMARY FROM INFORMATION_SCHEMA.STATISTICS WHERE  TABLE_SCHEMA = 'sakila' AND TABLE_NAME = 'customer' GROUP BY INDEX_NAME ORDER BY INDEX_NAME;   SELECT INDEX_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.STATISTICS WHERE  TABLE_SCHEMA = 'sakila' AND TABLE_NAME = 'customer' ORDER BY INDEX_NAME, SEQ_IN_INDEX; #GetMyTableKeys SELECT CONSTRAINT_NAME                  FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS t1                  WHERE t1.TABLE_SCHEMA = 'sakila' AND t1.TABLE_NAME = 'customer'                   AND CONSTRAINT_TYPE = 'FOREIGN KEY';    SELECT t1.CONSTRAINT_NAME, t1.COLUMN_NAME, t1.POSITION_IN_UNIQUE_CONSTRAINT,t1.REFERENCED_TABLE_NAME, REFERENCED_COLUMN_NAME                 FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE t1                   INNER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS t2                   ON t2.TABLE_SCHEMA = t1.TABLE_SCHEMA                  AND t2.TABLE_NAME = t1.TABLE_NAME                   AND t2.CONSTRAINT_NAME = t1.CONSTRAINT_NAME                  WHERE t1.TABLE_SCHEMA = 'sakila' AND t1.TABLE_NAME = 'customer'                   AND t2.CONSTRAINT_TYPE = 'FOREIGN KEY'                 ORDER BY t1.CONSTRAINT_NAME, t1.POSITION_IN_UNIQUE_CONSTRAINT;   #GetOthersTableKeys SELECT DISTINCT CONSTRAINT_NAME                  FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE t1                  WHERE t1.TABLE_SCHEMA = 'sakila' AND t1.REFERENCED_TABLE_NAME = 'customer';                    SELECT t1.CONSTRAINT_NAME, t1.TABLE_NAME, t1.COLUMN_NAME, t1.POSITION_IN_UNIQUE_CONSTRAINT, t1.REFERENCED_TABLE_NAME, REFERENCED_COLUMN_NAME                  FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE t1                   INNER JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS t2                   ON t2.TABLE_SCHEMA = t1.TABLE_SCHEMA                   AND t2.TABLE_NAME = t1.TABLE_NAME                   AND t2.CONSTRAINT_NAME = t1.CONSTRAINT_NAME                  WHERE t1.TABLE_SCHEMA = 'sakila' AND t1.REFERENCED_TABLE_NAME = 'customer'                   AND t2.CONSTRAINT_TYPE = 'FOREIGN KEY'                  ORDER BY t1.CONSTRAINT_NAME, t1.POSITION_IN_UNIQUE_CONSTRAINT; #GetViewText SELECT VIEW_DEFINITION FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_SCHEMA = 'sakila' AND TABLE_NAME = 'actor_info'; # GetCommands SELECT ROUTINE_NAME, '' OWNER, CREATED FROM INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_SCHEMA = 'sakila' AND ROUTINE_TYPE = 'PROCEDURE' ORDER BY 1; #GetCommandParameters #GetCommandText SELECT ROUTINE_DEFINITION FROM INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_SCHEMA = 'sakila' AND ROUTINE_NAME = 'film_in_stock' #存储过程