Use CASE in the UPDATE statement : Case « Select Query ... p1 Search Engine 120000 p2 Programming 95000 p3 SQL 186500 (3 rows affected) 1> 2> -- Use CASE in the UPDATE statement. 3> 4> UPDATE project SET ...
Head First SQL: Hands-On SQL UPDATE/SET/CASE Hands On SQL. Page 24: UPDATE/SET/CASE. Try updating movie_table with the statements on page 239. UPDATE movie_table SET category = 'drama' where ...
CASE (Transact-SQL) - MSDN - Microsoft CASE 可以用在允許有效運算式的任何陳述式或子句中。 例如，您可以在SELECT、UPDATE、DELETE 和SET 之類的陳述式，以及select_list、IN、WHERE、ORDER ...
SQL Server: Use a CASE Expression in an Update Statement ... We can use various DML statements like INSERT, SELECT, DELETE and UPDATE with a CASE statement. ... If it is NULL, then update the value with the sal column of the employee ...
MySQL update CASE WHEN/THEN/ELSE - Stack Overflow MySQL update CASE WHEN/THEN/ELSE [duplicate] up vote 6 down vote favorite 3 This question already has an answer here: ... Or do I have to do individual updates and then commit? mysql share | improve this question asked Oct 5 '12 at 21:44 nick 617 1 6 ...
SQL update 與case when語句求教，其實我的問題不難，只是寫的詳細而文字多，請大家幫下忙啊，謝謝！_知道 提問者採納: (case when 18 = ( select len ( number ) from test02 )//這裡取的值不是單個值 test02 是那裡來? then ( select substring ( number,7,8 ) ) //這個number是屬於那個值？ when 15=( select len ( number ) from test02 ...
CASE (Transact-SQL) TRUE 時，所傳回的運算式。如果省略這個引數，且沒有比較運算得出 TRUE，CASE 便傳回 NULL 。else_result_expression 是任何有效的運算式。else_result_expression 和每個 result_expression 的資料類型都必須相同，或必須能夠隱含地 ...
oracle sql update case - Seo Test oracle sql update case, seotest.evoler.net, find your answer here. ... 1-10 of 3050000 results sql - UPDATE with CASE and IN - Oracle - Stack Overflow I wrote a query that workes like a charm in SQLserver.
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青蛙跳跳: SQL UPDATE CASE WHEN 的使用方法 2011年10月20日 - SQL UPDATE CASE WHEN 的使用方法. 前幾天赫然發現系統中所有的進帳的交易是 ...
