oracleI基础入门(12)--SQL 语法

SQL 语法
Select
           SELECT "栏位" FROM "表格名"
Distinct
            SELECT DISTINCT "栏位"
             FROM "表格名"
Where
             SELECT "栏位"   FROM "表格名" WHERE "condition"
And/Or
             SELECT "栏位"  FROM "表格名" WHERE "简单条件"  {[AND|OR] "简单条件"}+
In
              SELECT "栏位" FROM "表格名" WHERE "栏位" IN ('值1', '值2', ...)
Between
            SELECT "栏位" FROM "表格名" WHERE "栏位" BETWEEN '值1' AND '值2'
Like
             SELECT "栏位" FROM "表格名" WHERE "栏位" LIKE {模式}
Order By
             SELECT "栏位" FROM "表格名" [WHERE "条件"] ORDER BY "栏位" [ASC, DESC]
Count
             SELECT COUNT("栏位") FROM "表格名"
Group By
              SELECT "栏位1", SUM("栏位2") FROM "表格名" GROUP BY "栏位1"
Having
               SELECT "栏位1", SUM("栏位2") FROM "表格名" GROUP BY "栏位1"HAVING (函数条件)
Create Table
                 CREATE TABLE "表格名"
                 ("栏位 1" "栏位 1 资料种类",
                "栏位 2" "栏位 2 资料种类"",
                     ... )
Drop Table
                    DROP TABLE "表格名"
                   Truncate Table
                  TRUNCATE TABLE "表格名"
Insert Into
                   INSERT INTO "表格名" ("栏位1", "栏位2", ...)
                   VALUES ("值1", "值2", ...)
Update
                 UPDATE "表格名"
              SET "栏位1" = [新值]
              WHERE {条件}
Delete From
                DELETE FROM "表格名"
                 WHERE {条件}