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Editorial Team
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Asked: 2026-06-18T03:54:53+00:00

I’m a beginner with SQL. I always use update , set and where commands

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I’m a beginner with SQL. I always use update, set and where commands to replace values with other values. For example:

update _Items SET CodeName = 'ITEM_07_CH' where CodeName = 'ITEM_08_CH'.

What if i want to replace just small letter into a column just like using notepad++ (ctrl + H)? e.g. find (_08_) and replace it with (_07_). How do I do this in SQL?

Please note that I have about 2000 values in the table and I can’t do it one by one. I just wanna replace this letter in the whole column.

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1 Answer

  1. Editorial Team

    For example in MySQL (and also in the most RDBMS) you can use REPLACE function.

    update _Items SET CodeName = REPLACE(CodeName,'_08_','_07_') 
where CodeName LIKE '%_08_%'
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