Check if string doesn t contain another string

Question

In T-SQL  how would you check if a string doesn t contain another string   I have an nvarchar which could be  Oranges Apples    I would like to do an update where  for instance  a columm doesn t contain  Apples     How can this be done

User · Accepted Answer

WHERE NOT  someColumn LIKE   Apples

User · Answer

Use this as your WHERE condition  WHERE CHARINDEX  Apples   column    0

User · Answer

Or alternatively  you could use this   WHERE CHARINDEX N Apples   someColumn    0   Not sure which one performs better - you gotta test it   -   Marc  UPDATE  the performance seems to be pretty much on a par with the other solution  WHERE someColumn NOT LIKE   Apples    - so it s really just a question of your personal preference

User · Answer

The answers you got assumed static text to compare against   If you want to compare against another column  say  you re joining two tables  and want to find ones where a column from one table is part of a column from another table   you can do this  WHERE NOT  someColumn LIKE        someOtherColumn

[sql-server] Check if string doesn't contain another string

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