Home >Database >Mysql Tutorial >Detailed introduction to multiple sql statements

Detailed introduction to multiple sql statements

零下一度
零下一度Original
2017-06-11 14:40:072609browse

Mysqli has many advantages over mysql. It is recommended that you use it. If you don’t understand it, you can check out the basic tutorials of mysql: mysqli database connection and mysqli preprocessing prepare usage. Not only that, mysqli also supports multiple query features. Look at the following php code: query("set names 'utf8"); //Multiple sql statements $sql = "select id,name from `user`;"; $sql .=&n

1. mysqli multiple sql statement query

Detailed introduction to multiple sql statements

##Introduction: mysqli has many advantages over mysql. It is recommended that you use it. If you don’t understand it, you can check out the basic tutorial of mysql: mysqli connection to the database and the use of mysqli preprocessing prepare. Not only that, mysqli also supports multiple query features. Look at the following PHP code: query ("set names 'u

2. SQL Server Basics: Stored Procedures

Detailed introduction to multiple sql statements

Introduction: Simply put, a stored procedure is a collection of one or more SQL statements, which can be regarded as a batch file, but its role is not limited to batch processing. This article mainly introduces the use of variables. Create, call, view, modify and delete stored procedures and stored functions

##3.

PHP MySQL Insert multiple pieces of data

Introduction: PHP MySQL Insert multiple pieces of data: Use MySQLi and PDO to insert multiple pieces of data into MySQL. The mysqli_multi_query() function can be used to execute multiple SQL statements. The following example adds three new records to the "MyGuests" table. :Example (MySQLi - Object Oriented)##4 .

Simple mysql tool implemented in php (execute multiple sql statements)

Introduction: Simple mysql tool implemented in php (execute multiple sql statements)

5.

PHP MySQL inserts multiple pieces of data, phpmysql inserts multiple pieces_PHP tutorial

Introduction: PHP MySQL inserts multiple pieces Data, phpmysql inserts multiple pieces of data. PHP MySQL inserts multiple pieces of data. Use MySQLi and PDO to insert multiple pieces of data into MySQL. The mysqli_multi_query() function can be used to execute multiple SQL statements.

6.

How does mysql execute multiple SQL statements at one time?

#Introduction: How does mysql execute multiple SQL statements at one time?

#7.

An error occurred when php executed multiple sql statements

Introduction: An error occurred when php executed multiple sql statements

8.

How does mysql execute multiple SQL statements at once?

Introduction: How does mysql execute multiple SQL statements at once? @ a and##9. PHP executes Insert and generates 2 duplicate records. How to solve the problem

Introduction: PHP When executing Insert, two duplicate records are generated. There are multiple SQL statements in the page, but there are no duplicate records when inserting into the record table. Does anyone have any advice? solution-------------------- Are you using GG browser for debugging? ------solution-------------------- Add a ticket to the form and use SESSION to prevent repeated submission

10. PHP executes Insert and generates 2 duplicate records. How to solve the problem?

Introduction: PHP executes Insert and generates 2 duplicate records. As title. There are multiple SQL statements in the page. There are no duplicate records inserted into the order table, but duplicate records are generated from time to time when inserted into the record table. Is there any expert guidance? ------Solution--------------------Are you using GG browser to debug? ------Solution--------------------Add a ticket to the form and use SESSION to prevent repeated submissions. It can

[Related Q&A Recommendations]:

Use redis’s list data structure to execute sql statements in batches

python - How to do it 1 time Execute multiple SQL statements

mysql - Detailed discussion of the advantages and disadvantages of joint table query and step-by-step query

Database-SQL: php+mysql Does stacked query support?

The above is the detailed content of Detailed introduction to multiple sql statements. For more information, please follow other related articles on the PHP Chinese website!

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn