mysql workbench create new database

; query ('select username, password from tb_member '); $ Rs = $ db-> fetchAll (); Is it similar to the original pdo style? ④ Support creating multi-database connections Because it was only a database operation method, it does not support multi-database connections. in implementation, we need to copy two identical files and modify some variables. The operation

and modify some variables. The operation is complex. Now this problem has been solved. The code is as follows: $ Db_hoorayos_config = array ('Dsn '=> 'MySQL: host = localhost; dbname = hoorayos ','Name' => 'root ','Password' => 'Hooray');$ Db = new HRDB ($ db_hoorayos_config );$ Db_hoorayos_config2 = array ('Dsn '=> 'MySQL: host = localhost; dbname = hoorayo

Label:Add dataWhen the primary key conflict is, choose how to DoInsert into table (id,name,age) value ("ddd", 45)On duplicate key update name= ' DDD ' age=45;The default has a PRIMARY KEY constraint and will not be inserted successfullyHowever, you can change to perform an update operation within the INSERT syntax when you control the primary key conflictReplace: If primary key conflicts, select Replace, if primary key does not conflict, add a recordReplace into hd_cate values (XXX,XXX,XXX);Dele

; 'hooray' ); $ Db = new HRDB ($ db_hoorayos_config ); $ Db_hoorayos_config2 = array ('Dsn '=> 'mysql: host = localhost; dbname = hoorayoss ','Name' => 'root ','Password' => 'hooray');$ Db2 = new HRDB ($ db_hoorayos_config2 ); In this way, two database connections can be created at the same time to facilitate the inte

Label: The source of this article: http://blog.csdn.net/u012377333/article/details/47006087 After the introduction of the CentOS-based MySQL learning Supplement two-using the shell to create a database, this article continues to explore the use of shell and MySQL together, I don't know how to

Label:MySQL creates a database in a way that does not have a graphical interface like SQL Server, but rather creates it using a DOS window, followed by the steps to create a MySQL database. ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓ 1. First Open the DOS window (window key +r open "run" input "cmd" carriage return)PS: "Window key" ref

Niche recently to learn MySQL database, and write a simple program to create a MySQL database remotely with IE, this program is suitable for people who know nothing about MySQL database

The CREATE DATABASE statement creates a DB with the specified name on the MySQL instance, and when the created database itself exists and does not specify an if NOT EXISTS clause, the statement creating the database will error. The created

= array ('username = "123" ', 'Type = 1', 'lastlogindt = now ()');$ Where = array ('tbid = 1 ');$ Db-> update (1, 0, 'tb _ member ', $ set, $ where ); ③ Customizable SQL statementsSometimes, SQL statements are too complex to assemble SQL statements using the methods provided in the class. In this case, a function is required to directly import the assembled SQL statements for execution, and return information. Now, this feature is available.Copy codeThe Code is as follows:$ Db-> query ('select

This is an entry-level mysql tutorial. Here we will introduce the mysql database creation and deletion commands. If you have any questions, please refer to them. This is an entry-level mysql tutorial. Here we will introduce the mysql dat