Content recommendations for cursor traversal

-- Large table data migration is performed from 1 am to 5 am every day, with an execution interval of 10 minutes. Old data is migrated to the historical table. DELIMITER $$ ​ USE `dbx`$$ ​ DROP PROCEDURE IF EXISTS `pro_xx`$$ ​ CREATE PROCEDURE `pro_xx`() BEGIN DECLARE p_oalid INT DEFAULT 0; DECLARE STOP INT DEFAULT 0; ​ &

1. MySQL stored procedure-->Migrating data to the history table through cursor traversal and exception handling

Introduction: -- Large table data migration is performed from 1 am to 5 am every day, with an execution interval of 10 minutes, and old data is migrated to the historical table.

2. How to use SQL cursor to traverse loop data

##Introduction: The advantage of SQL cursors is that they can conveniently loop through data from a result set and perform operations. The following will introduce you to the method of using SQL cursors to traverse and loop data for your reference.

3. mssql uses cursor traversal to batch update data

Introduction: mssql uses cursor traversal to batch update update data /* --1. Create test table create TABLE Table1 ( a varchar(10), b varchar(10), c varchar(10), 

The above is the detailed content of Content recommendations for cursor traversal. For more information, please follow other related articles on the PHP Chinese website!