search:sql update set if else相關網頁資料

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日期:2025-06-15
What is the correct SQL server code to do so? ... IF @flag = 1 UPDATE table_name SET column_A = column_A + ... ID = @ID; ELSE UPDATE table_name SET column_B = column_B + ......
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日期:2025-06-10
update pm_users set user_status = if ( (select u.user_status from pm_users u where u.user_id = 3 ) ......
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日期:2025-06-12
UPDATE bc SET IsFlagged = CASE WHEN b.ID IS NULL THEN 0 ELSE 1 END FROM BookCategory ......
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日期:2025-06-08
update questions set reply = case when @input is not null then @input else reply end where answer = ......
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日期:2025-06-13
Using T-SQL, I would like to execute an UPDATE statement that will SET columns only if the ... CASE WHEN LEN(@Password) > 0 THEN @Password ELSE Password END WHERE ....
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日期:2025-06-13
If SectionName = 'Section1' UPDATE tblgradek12 SET GenAve=((Speech * 1.2) + (English * 1.5) + ......
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日期:2025-06-14
30 Aug 2007 ... UPDATE TABLE SET. A (only if its null)= B.a ,X= B.x ... I want to set the age to Null if it is less than 18...
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日期:2025-06-08
Therefore I would like to set the option IF @parameter IS NULL THEN keep the value that is already ......