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  • oracleI基础入门(12)SQL 语法 Crazy

    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}

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  • 原文地址:https://www.cnblogs.com/flyscan/p/2546002.html
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