create database if not exists

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Using PHP to execute SQL files, import SQL files into the database

Today to introduce you, how to use PHP automatic execution. sql file. In fact, it is very simple to get the contents of the SQL file and then execute each sentence of SQL statement at once.This is the code//Read File contents$_sql=file_get_contents('

MySQL command-line operation

Display Databaseshow databases;Current databaseSelect Database ();Show TableShow tables;Change table nameALTER TABLE name rename new table name;Rename table name to new table name;--------------------------------------------------------View

Ubuntu MySQL Use

Database initializationLink Databasemy_con = mysql_init(NULL);mysql_real_connect(my_con,MYSQL_SERVER,MYSQL_USER,MYSQL_PASSWD,NULL,0,NULL,0));Create a database file Smart_homemysql_query(my_con, "create database if not exists smart_home"));Choose a

MySQL 5: Basic Database Operations

The following command lines are used in Windows 64-bit operating systems. Before learning, Let's explain the meanings of some symbols in the MySQL Syntax: (1) brackets ([]) indicate that both exist or do not exist. They are optional parameters. For

PHP executes the SQL file and imports the SQL file to the database.

Today, we will introduce how to use php to automatically execute. SQL files. In fact, it is very easy to get the content in the SQL file, and then execute each SQL statement once. For more information, see Today, we will introduce how to use php to

MySQL 15: subquery (1)

Data preparation (1) Create Database CREATEDATABASEIFNOTEXISTSt2CHARACTERSETgbk; (2) create a data table CREATETABLEIFNOTEXISTStdb_goods (outputs, goods_nameVARCHAR (150) NOTNULL, goods_cateVARCHAR (40) 1. Data preparation (1) create database if not

MySQL (1)

 Concept of databases relationships between database servers, databases, and tables The so-called Database Server installation only installs a database management program on the machine, which can manage multiple databases. Generally, developers

A section of Phpmyadamin exported SQL statements,

A section of Phpmyadamin exported SQL statements, please advise! CREATE DATABASE IF not EXISTS primavpdb001; GRANT All On primavpdb001.* to [email protected] Identified by ' Changeme '; FLUSH privileges; Use primavpdb001; This sentence, ask you!

Create Database and table using command line

From: http://www.2cto.com/database/201206/134514.html 0. Create a database tableMysql> create database if not exists my_db default charset utf8 COLLATE utf8_general_ci;# Pay attention to the following sentence "COLLATE utf8_general_ci", which

Use PHP to execute the SQL file and import the SQL file to the database,

Use PHP to execute the SQL file and import the SQL file to the database, How to Use php to automatically execute the. SQL file is to obtain the content in the SQL file and then execute each SQL statement once. Code example: // Read the file

MySQL database encoding problem 3 (modify the database, table, and field encoding to utf8)

Introduction: This is a detailed page of MySQL database encoding problem 3 (modifying the database, table, and field encoding to utf8). It introduces the related knowledge, skills, and experience of PHP, and some PHP source code. Class = 'pingjiaf'

PHP executes the SQL file and imports the SQL file to the database,

PHP executes the SQL file and imports the SQL file to the database, // Read the file content $ _ SQL = file_get_contents ('test. SQL '); $ _ arr = explode ('; ', $ _ SQL); $ _ mysqli = new mysqli (DB_HOST, DB_USER, DB_PASS); if

An SQL statement exported by PhpMyAdamin,

For a piece of SQL statement exported by PhpMyAdamin, please advise! CREATE & nbsp; DATABASE & nbsp; IF & nbsp; NOT & nbsp; EXISTS & nbsp; primavpdb001 & nbsp; GRANT & nbsp; ALL & nbsp; & nbsp; ON & nbsp; prim is an SQL statement exported by

PHP executes the SQL file and imports the SQL file to the database _ PHP

Today, we will introduce how to use php to automatically execute. SQL files. In fact, it is very easy to get the content in the SQL file, and then execute each SQL statement once. For more information, see // Read the file content $ _ SQL =

How to use PHP to automate. sql files

This article mainly describes how to use PHP automatic execution. sql files, interested friends under the reference, I hope to be helpful to everyone. Read File contents$_sql = file_get_contents (' Test.sql ');$_arr = explode ('; ', $_sql);$_mysqli

Tutorial _ MySQL

This article describes how to use GTIDs replication protocol and interrupt protocol in MySQL. it is mainly used for communication between multiple servers. For more information, see MySQL5.6 which has many new features, most people are interested in

Common MySQL database operations command summary _ MySQL

This article mainly introduces the summary of common commands for MySQL database operations, such as creating a database, using a database, viewing a database, and operating database encoding. For more information, see create a database. The

PHP executes the SQL file and imports the SQL file into the database, _php tutorial

PHP executes the SQL file and imports the SQL file into the database. Read file contents $_sql = file_get_contents (' Test.sql '); $_arr = explode ('; ', $_sql); $_mysqli = new Mysqli (db_host,db_user,db_ PASS), if (Mysqli_connect_errno ()) { exit

Tutorial on using GTIDs replication protocol and interrupt protocol in MySQL

MySQL5.6 has many new features, and many of them are interested in the global transaction sequence number function (GTIDs ). The reason why everyone is very interested in this feature is also very understandable, that is, it is always very

MySQL learns basic MySQL database operations on the fifth day.

MySQL learns basic MySQL database operations on the fifth day. This article studies the basic operations of MySQL databases. Do not miss this article. The following command lines are used in Windows 64-bit operating systems. Before learning, Let's

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