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sql查詢一個(gè)字段多個(gè)值 sql如何查詢包含某一字段的值?

sql如何查詢包含某一字段的值?不同的數(shù)據(jù)庫(kù),SQL語(yǔ)句略有區(qū)別:1.如果是Access數(shù)據(jù)庫(kù),SQL語(yǔ)句應(yīng)為:SELECT * FROM TableName WHERE A LIKE "*2011*

sql如何查詢包含某一字段的值?

不同的數(shù)據(jù)庫(kù),SQL語(yǔ)句略有區(qū)別:1.如果是Access數(shù)據(jù)庫(kù),SQL語(yǔ)句應(yīng)為:SELECT * FROM TableName WHERE A LIKE "*2011*"2.如果是Oracle數(shù)據(jù)庫(kù),SQL語(yǔ)句應(yīng)為:SELECT * FROM TableName WHERE A LIKE " 11%"3.如果是SQL SERVER數(shù)據(jù)庫(kù),SQL語(yǔ)句應(yīng)為:SELECT * FROM TableName WHERE A LIKE " 11%"

sql如何查詢包含某一字段的值?

最簡(jiǎn)單的子查詢:select * from table where date = (select max(date) from table) 或者用輪子哥講的join自己: select * from table t1 left join (select max(date) as date from table) t2 on t1.date=t2.date where t2.date is not null