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  1. www.geeksforgeeks.org › how-to-update-table-rows-in-mysql-using-subqueryHow to Update Table Rows Using Subquery in MySQL - GeeksforGeeks

    26 cze 2024 · Updating table rows using subqueries in MySQL enables precise modifications based on specific conditions or values from other tables. This technique leverages subqueries within the SET or WHERE clauses of the UPDATE statement, allowing dynamic and context-specific updates.

  2. stackoverflow.com › questions › 27154265MySQL - Update values based on subquery - Stack Overflow

    let's say I have select, which return me from table1: ID Name. 1 Bob. 2 Alice. 3 Joe. Then I want UPDATE values in another table based on this result: UPDATE table2 SET Name = table1.Name WHERE ID = table1.ID. As I understood, I can only do internal select in one place, like: UPDATE table2 SET Name = (select Name from table1) WHERE ...

  3. stackoverflow.com › questions › 11588710sql - mysql update query with sub query - Stack Overflow

    8 mar 2016 · The main issue is that the inner query cannot be related to your where clause on the outer update statement, because the where filter applies first to the table being updated before the inner subquery even executes. The typical way to handle a situation like this is a multi-table update.

  4. www.geeksforgeeks.org › how-to-update-multiple-rows-in-a-single-query-in-mysqlHow to UPDATE Multiple ROWs in a Single Query in MySQL?

    11 cze 2024 · Updating table rows using subqueries in MySQL enables precise modifications based on specific conditions or values from other tables. This technique leverages subqueries within the SET or WHERE clauses of the UPDATE statement, allowing dynamic and context-specific updates.

  5. www.squash.io › how-to-update-mysql-query-based-on-select-queryHow to Update Records in MySQL with a Select Query - Squash

    1 lis 2023 · To update a MySQL query based on a select query, you can use the UPDATE statement with a subquery. This allows you to update rows in one table based on the values returned from a select query on another table.

  6. www.geeksforgeeks.org › mysql-subqueryMYSQL Subquery - GeeksforGeeks

    18 mar 2024 · Updating table rows using subqueries in MySQL enables precise modifications based on specific conditions or values from other tables. This technique leverages subqueries within the SET or WHERE clauses of the UPDATE statement, allowing dynamic and context-specific updates.

  7. www.mysqltutorial.org › mysql-basics › mysql-subqueryMySQL Subquery - MySQL Tutorial

    A MySQL subquery is a query nested within another query such as SELECT, INSERT, UPDATE or DELETE. Also, a subquery can be nested within another subquery. A MySQL subquery is called an inner query whereas the query that contains the subquery is called an outer query.

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