PHPize Online / SQLize Online  /  SQLtest Online

A A A
Share      Blog   Popular
Copy Format Clear
create table nl_emails (id int not null primary key ,row_num int); insert into nl_emails values(10,10),(20,20),(30,30); SELECT * FROM nl_emails;
Copy Clear
Copy Format Clear
<?php $sql = "SET @rn = 0; UPDATE nl_emails SET row_num = (@rn:=coalesce(@rn, 0) + 1);"; $pdo->exec($sql); // get rows $stmt = $pdo->prepare("SELECT * FROM nl_emails;"); $stmt->execute(); $rows = $stmt->fetchAll(PDO::FETCH_ASSOC); print_r($rows);
Show:  
Copy Clear
© 2024 PHPize - format run and share PHP code with SQL queries online | About project | Disclaimer | our telegram chat
VPS servers at the highest possible quality
PHP versions: PHP 5.6, PHP 7.4, PHP 8.0, PHP 8.1, PHP 8.2.13
RDBMS versions: MySQL 5.7, MySQL 5.7 Sakila (ReadOnly), MySQL 8.0, MySQL 8.0 Sakila (ReadOnly), MariaDB 10, MariaDB 10 Sakila (ReadOnly), SQLite 3, PostgreSQL 10 Bookings (ReadOnly), PostgreSQL 11, PostgreSQL 12, PostgreSQL 13, PostgreSQL 14, PostgreSQL 15, MS SQL Server 2017, MS SQL Server 2019, MS SQL Server 2022, Firebird 4.0, Firebird 4.0 (Employee), Oracle Database 19c (HR), Oracle Database 21c, Oracle Database 23c Free, SOQOL