sql不包含某幾個字符 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?最簡單的子查詢:select * from table where date = (select max(date) from table) 或者用輪子哥講的join
sql如何查詢包含某一字段的值?
最簡單的子查詢: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
sql如何查詢包含某一字段的值?
不同的數(shù)據(jù)庫,SQL語句略有區(qū)別:1.如果是Access數(shù)據(jù)庫,SQL語句應為:SELECT * FROM TableName WHERE A LIKE "*2011*"2.如果是Oracle數(shù)據(jù)庫,SQL語句應為:SELECT * FROM TableName WHERE A LIKE " 11%"3.如果是SQL SERVER數(shù)據(jù)庫,SQL語句應為:SELECT * FROM TableName WHERE A LIKE " 11%"