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If you're using PHP, you can use mysqli to do multi statements (I think php has shipped with mysqli for a while now) $con = new mysqli('localhost','user1','password','my_database'); $query = "Update MyTable SET col1='some value' WHERE id=1 LIMIT 1;"; $query .= "UPDATE MyTable SET col1='other value' WHERE id=2 LIMIT 1;"; //etc $con->multi_query ...
16 kwi 2016 · In MySQL, you can use tuple comparison: WHERE (TestId, TestSubId) IN ((10,25), (11,22)) That looks nice and succinct, although, as ypercubeᵀᴹ mentioned in a comment, it may not work well performance-wise.
4 dni temu · Sql update generator | safe data updates. Nov 18, 2024. Generate safe UPDATE operations with proper conditions. ```sql. -- Basic update. UPDATE products. SET price = price * 1.1. WHERE category = 'electronics'; -- With joins.
Online SQL/MS SQL update query generator. No need to remember syntax and type required data and generate sql query online easy!
You can try WHERE id IN (19,20,21) to update multiple rows; or WHERE cond1=19 AND cond2=20 for checking different fields. –
UPDATE Multiple Records. It is the WHERE clause that determines how many records will be updated. The following SQL statement will update the PostalCode to 00000 for all records where country is "Mexico":
Multiple-table syntax: UPDATE [LOW_PRIORITY] [IGNORE] table_references SET assignment_list [WHERE where_condition] For the single-table syntax, the UPDATE statement updates columns of existing rows in the named table with new values.
