mysql while loop example

1.loopGrammar:[ begin_label :] LOOP END LOOP [ end_label ] statement_list example: CREATE PROCEDURE doiterate (P1 INT) BEGIN label1:loop SET p1 = p1 + 1; IF P1 iterate  can appear only Within loop ,  repeat , And while  statements. iterate  

PHP_MySQL tutorial-the next day while loop and the first page of database operations while loop In this lesson, we will continue to use PHP and MySQL to write some simple and useful pages. We started to display the data in the database from the

First page while loop In this lesson, we'll go further and use PHP and MySQL to write some simple and useful pages. We start with the database we created yesterday and display the data in the library, but we'll touch it a little bit. First, we use

From: http://blog.chinaunix.net/space.php? Uid = 21144244 & Do = Blog & cuid = 1923636 Http://wwty.iteye.com/blog/698210 Let's first introduce the Oracle control statements.   If ElseElsifWhile For Loop The control

Page 1 while LOOP In this lesson, we will continue to use PHP and MySQL to write some simple and useful pages. We started to display the data in the database from the database we created yesterday, but it will be slightly improved. First, we use the

Page 1 while LOOPIn this lesson, we will continue to use PHP and MySQL to write some simple and useful pages. We started to display the data in the database from the database we created yesterday, but it will be slightly improved.First, we use the

MySQL performance tuning and Architecture Design-Chapter 1 Performance Design-MySQL Replication and replication Optimization Chapter 1 scalability design-MySQL Replication Preface: MySQL Replication is a unique feature of MySQL. It can completely

Today, I will share my understanding and understanding of the Mysql stored procedure. Here I will mainly talk about the commonly used nested use of cursors and loops. Today, I will share my understanding and understanding of the Mysql stored

#要修改的变量DECLARE var_id VARCHAR (+) DEFAULT ';#需要修改的数据的数量DECLARE Var_updatecount INT;#当前循环次数DECLARE Var_whiletimes INT;#定义游标DECLARE Var_cur CURSOR forSELECT ID from table_name;#打开游标OPEN var_cur;#将游标的数据进行赋值FETCH var_cur into var_id;#获取循环次数SELECT COUNT (

While loop1. While conditional sentenceGrammarWhile conditionDoInstruction SetDone###########################2. Until conditional sentenceUtill conditionsDoInstruction SetDone##########################Example 1Check the load of the system every 5