sqlserver 判断是否存在,如果存在就update,不存在就insert if not exists(SELECT 1 from pr_equipmentFacility eq inner join pr_equipmentFacilityEx ex on eq.equipmentFacilityID = ex.equipmentFacilityID where eq.equipmentFacilityCode='对应编码') INSERT into pr_equipmentFacilityEx (equipmentFacilityID,brand,e...
INSERT INTO Table2(Id, Name) SELECT Id, Name FROM Table1 但是,在我的情况下,可能存在重复的ID Table2(在我的情况下,它只是“ 1”),我不想再次复制该ID ,因为这会引发错误。 我可以这样写: IF NOT EXISTS(SELECT 1 FROM Table2 WHERE Id=1) INSERT INTO Table2 (Id, name) SELECT Id, name FR...
INSERT INTO Table2(Id, Name) SELECT Id, Name FROM Table1 但是,在我的情况下,可能存在重复的ID Table2(在我的情况下,它只是“ 1”),我不想再次复制该ID ,因为这会引发错误。 我可以这样写: IF NOT EXISTS(SELECT 1 FROM Table2 WHERE Id=1) INSERT INTO Table2 (Id, name) SELECT Id, name FR...
**使用insert ignore if not exist,**具体格式为: INSERT IGNORE INTO 表名('字段') SELECT '字段需要插入时的数据' FROM dual WHERE NOT EXISTS (SELECT * FROM '表名' WHERE '需要被限制不重复的字段' = '被限制字段本次插入的数据') 1. 2. 3. 4. 比如mybatis使用时为: INSERT IGNORE INTO user...
INSERT INTO books (name) SELECT 'Songxingzhu' WHERE NOT EXISTS (SELECT id FROM books WHERE id = 1) 三、Sqlserver中: SqlServer中需要另一种写法: IF NOT EXISTS (SELECT id FROMbooksWHERE id = 1)INSERT INTO books (name) SELECT 'Songxingzhu'...
If clockDate is NOT datetime field (just date), then the SQL engine will do it for you - no need to cast on a set/insert statement. IF (NOTEXISTS(SELECT*FROMClockWHEREclockDate='08/10/2012')ANDuserName='test')BEGININSERTINTOClock(clockDate, userName, breakOut)VALUES(GetDate(),'test'...
1 SQL insert if doesn't exist with another column 0 SQL Insert Into Where Record Not Exists 5 SQL - Insert Where Not Exists 2 MS SQL Server 2012 - Insert Values if row does not exist 0 SQL Server: Insert record into a table if it doesn't exist Hot Network Questions How do...
由于Sqlite中没有临时表:dual 所以,需要这样写 INSERTINTObooks(name)SELECT'msg'WHERENOTEXISTS(SELECTidFROMbooksWHEREid=1) 1. 三、Sqlserver中: SqlServer中需要另一种写法: IFNOTEXISTS(SELECTidFROMbooksWHEREid=1)INSERTINTObooks(name)SELECT'msg' 1....
1、方法一 IF NOT EXISTS(SELECT * FROM TABLE_NAME WHERE FILED1 = 1 ) THEN INSERT INTO TABLE_NAME VALUES(1 2、将要插入的数据先写入临时表，然后用 INSERT INTO TABLE_NAME SELECT * FROM #TEMP_TABLE A LEFT JOIN TABLE_NAME ON A.FILED1 = B.FIELD1 WHERE B.FILED1 IS NULL ...
sql server insert or update SQL Server INLINE IF ELSE 如果不存在则插入,如果存在则选择 INSERT IF NOT EXISTS ELSE UPDATE in Spark SQL 如果insert into row不正确,则SQL - SQL语句已终止 如果行存在,则返回php pdo sql SQL查询 - 如果存在则更新,否则插入 ...