SpirirHost Support Centre: MySQL Reference Manual p.149

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Table of Contents
1. General Information
2. MySQL Installation
3. Tutorial Introduction
4. Database Administration
5. MySQL Optimisation
6. MySQL Language Reference
7. MySQL Table Types
8. MySQL APIs
9. Extending MySQL

Chapter 3: Tutorial Introduction 149 | test | | tmp | +----------+ The list of databases is probably dierent on your machine, but the mysql and test databases are likely to be among them. The mysql database is required because it de- scribes user access privileges. The test database is often provided as a workspace for users to try things out. Note that you may not see all databases if you don't have the SHOW DATABASES privilege. See Section 4.3.1 [GRANT], page 212. If the test database exists, try to access it: mysql> USE test Database changed Note that USE, like QUIT, does not require a semicolon. (You can terminate such statements with a semicolon if you like; it does no harm.) The USE statement is special in another way, too: it must be given on a single line. You can use the test database (if you have access to it) for the examples that follow, but anything you create in that database can be removed by anyone else with access to it. For this reason, you should probably ask your MySQL administrator for permission to use a database of your own. Suppose you want to call yours menagerie. The administrator needs to execute a command like this: mysql> GRANT ALL ON menagerie.* TO your_mysql_name; where your_mysql_name is the MySQL user name assigned to you. 3.3.1 Creating and Selecting a Database If the administrator creates your database for you when setting up your permissions, you can begin using it. Otherwise, you need to create it yourself: mysql> CREATE DATABASE menagerie; Under Unix, database names are case-sensitive (unlike SQL keywords), so you must always refer to your database as menagerie, not as Menagerie, MENAGERIE, or some other variant. This is also true for table names. (Under Windows, this restriction does not apply, although you must refer to databases and tables using the same lettercase throughout a given query.) Creating a database does not select it for use; you must do that explicitly. To make menagerie the current database, use this command: mysql> USE menagerie Database changed Your database needs to be created only once, but you must select it for use each time you begin a mysql session. You can do this by issuing a USE statement as shown above. Alternatively, you can select the database on the command-line when you invoke mysql. Just specify its name after any connection parameters that you might need to provide. For example: shell> mysql -h host -u user -p menagerie Enter password: ********

MySQL Reference Manual

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