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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.
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.
16 lut 2024 · In this article, we’ll learn the use of the CASE statement, IF() function, INSERT ... ON DUPLICATE KEY UPDATE clause and UPDATE with JOIN() function to update multiple columns in multiple rows with different values in MySQL.
11 mar 2013 · The update_batch () function from codeIgniter described here: Update batch with CodeIgniter was helpful and almost perfect but it only allows for 1 single where clause, you cannot (as far as I understood and tried) enter an array with multiple where clauses.
The MySQL UPDATE Statement. The UPDATE statement is used to modify the existing records in a table. UPDATE Syntax. UPDATE table_name. SET column1 = value1, column2 = value2, ... WHERE condition; Note: Be careful when updating records in a table! Notice the . WHERE clause in the UPDATE statement.
8 kwi 2024 · In this article, we will learn how to update multiple columns in MySQL using UPDATE and SET commands. We will cover the syntax and examples, providing explanations to help you understand how to update multiple columns in SQL with a single query.
