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What Are Storage Engines
What Are Storage Engines? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB Storage engines are programs that are integrated into MySQL database management system to manage data tables. MySQL 5.0 supports the following major storage engines: MyISAM Storage Engine - MySQL default storage engine.... 2007-05-10, 4991👍, 0💬

How To Drop an Existing Index
How To Drop an Existing Index? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you don't need an existing index any more, you should delete it with the "DROP INDEX indexName ON tableName" statement. Here is an example SQL script: mysql> DROP INDEX tip_subject ON tip; Query OK, ... 2007-05-11, 4990👍, 0💬

How To Close MySQL Connection Objects
How To Close MySQL Connection Objects? - MySQL FAQs - PHP Connections and Query Execution MySQL connection objects created with mysql_connect() calls should be closed as soon as you have finished all of your database access needs by calling mysql_close($con) function. This will reduce the consumptio... 2007-05-10, 4990👍, 0💬

What Is mSQL
What Is mSQL? - MySQL FAQs - Database Basics and Terminologies Mini SQL (mSQL) is a light weight relational database management system capable of providing rapid access to your data with very little overhead. mSQL is developed by Hughes Technologies Pty Ltd. MySQL was started from mSQL and shared th... 2007-05-10, 4990👍, 0💬

How To Create a Database
How To Create a Database? - PHP Script Tips - Working with MySQL Database A database in a MySQL server is a logical container used to group tables and other data objects together as a unit. If you are a the administrator of the server, you can create and delete databases using the CREATE/DROP DATABA... 2007-04-18, 4986👍, 0💬

What Is a Transaction
What Is a Transaction? - MySQL FAQs - Transaction Management: Commit or Rollback A transaction is a logical unit of work requested by a user to be applied to the database objects. MySQL server introduces the transaction concept to allow users to group one or more SQL statements into a single transac... 2007-05-11, 4982👍, 0💬

How To Create a New Table Using the InnoDB Storage Engine
How To Create a New Table Using the InnoDB Storage Engine? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB InnoDB storage engine was developed by Innobase Oy, which is an Oracle company now. InnoDB is transaction safe, and has been used by a number of large Websites, like Slashdot.org. InnoDB... 2007-05-10, 4978👍, 0💬

What Is "mysqlshow"
What Is "mysqlshow"? - MySQL FAQs - Administrator Tools for Managing MySQL Server "mysqlshow" is a command-line interface for end users to see information on tables and columns. Here are some sample commands supported by "mysqlshow": "mysqlshow" - Shows all the databases. "mysqlshow databaseName" - ... 2007-05-11, 4973👍, 0💬

What Are Date and Time Data Types
What Are Date and Time Data Types? - MySQL FAQs - Introduction to SQL Date and Time Handling MySQL supports the following date and time data types: DATE - A date in the range of '1000-01-01' and '9999-12-31'. Default DATE format is "YYYY-MM-DD". DATETIME - A date with the time of day in the range of... 2007-05-11, 4971👍, 0💬

How To Load Data Files into Tables with "mysqlimport"
How To Load Data Files into Tables with "mysqlimport"? - MySQL FAQs - Administrator Tools for Managing MySQL Server If you want to load a data file directly into a table, you need to prepare the data file as one line per data row, and use tab character as the column delimiter. The data file name sho... 2007-05-11, 4971👍, 0💬

What Is MySQL
What Is MySQL? - MySQL FAQs - Database Basics and Terminologies MySQL is an open source database management system developed by MySQL AB, http://www.mysql.com. 2007-05-10, 4965👍, 0💬

How To Change the Password for Your Own User Account
How To Change the Password for Your Own User Account? - MySQL FAQs - Managing User Accounts and Access Privileges If you want to change the password of your own user account, you should use your user account connect to the server "mysql" first. You should then use the "SET PASSWORD ..." command to c... 2007-05-10, 4964👍, 0💬

How To Update Values on Multiple Rows
How To Update Values on Multiple Rows? - MySQL FAQs - Understanding SQL INSERT, UPDATE and DELETE Statements If the WHERE clause in an UPDATE matches multiple rows, the SET clause will be applied to all matched rows. This rule allows you to update values on multiple rows in a single UPDATE statement... 2007-05-11, 4963👍, 0💬

How To List All Existing User Accounts
How To List All Existing User Accounts? - MySQL FAQs - Managing User Accounts and Access Privileges MySQL stores all existing user accounts in a table called "mysql.user". If you want see all user accoutns, you can use the "SELECT" command as shown in the tutorial exercise below: >cd \mysql\bin >mys... 2007-05-10, 4960👍, 0💬

How To Create a Testing Table with Test Data
How To Create a Testing Table with Test Data? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If you want to follow the tutorial exercises presented in this collection, you need to create a testing table and insert some test data, as shown in the following sample script: mysql> CREATE TABLE... 2007-05-11, 4958👍, 0💬

What Is "mysqld"
What Is "mysqld"? - MySQL FAQs - Administrator Tools for Managing MySQL Server "mysqld" is MySQL server daemon program which runs quietly in background on your computer system. Invoking "mysqld" will start the MySQL server on your system. Terminating "mysqld" will shutdown the MySQL server. Here is ... 2007-05-11, 4958👍, 0💬

How To Select an Exiting Database
How To Select an Exiting Database? - MySQL FAQs - PHP Connections and Query Execution The first thing after you have created a connection object to the MySQL server is to select the database where your tables are located, by using the mysql_select_db() function. If your MySQL server is offered by yo... 2007-05-10, 4955👍, 0💬

How To Select Some Columns from a Table
How To Select Some Columns from a Table? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If you want explicitly tell the query to return some columns, you can specify the column names in the SELECT clause. The following select statement returns only two columns, "id" and "url" from the tabl... 2007-05-11, 4954👍, 0💬

How To Use Values from Other Tables in UPDATE Statements
How To Use Values from Other Tables in UPDATE Statements? - MySQL FAQs - Understanding SQL INSERT, UPDATE and DELETE Statements If you want to update values in one table with values from another table, you can use a subquery as an expression in the SET clause. The subquery should return only one row... 2007-05-11, 4953👍, 0💬

How To Connect to MySQL Server on a Different Port
How To Connect to MySQL Server on a Different Port? - MySQL FAQs - Server Daemon mysqld Administration If your MySQL server is listening on port number different than 3306, you need to specify "--port=portNumber" option to any client program that needs to connect to the server. The tutorial exercise... 2007-05-11, 4953👍, 0💬

How To Show Table Names with "mysqlshow"
How To Show Table Names with "mysqlshow"? - MySQL FAQs - Administrator Tools for Managing MySQL Server If you want to show table names with "mysqlshow", you need to specify a database name. The followings tutorial exercise shows you how to get all table names that match a pattern: If you want analyz... 2007-05-11, 4951👍, 0💬

How To Use Group Functions in the SELECT Clause
How To Use Group Functions in the SELECT Clause? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If group functions are used in the SELECT clause, they will be used on the rows that meet the query selection criteria, the output of group functions will be returned as output of the query. The... 2007-05-11, 4946👍, 0💬

Can You Select Someone Else Database
Can You Select Someone Else Database? - MySQL FAQs - PHP Connections and Query Execution If your MySQL server is provided by an Internet service company, they will provide you one database for your use only. There are many other databases on the server for other users. But your user account will hav... 2007-05-10, 4946👍, 0💬

How To Insert a New Row into a Table
How To Insert a New Row into a Table? - MySQL FAQs - Understanding SQL INSERT, UPDATE and DELETE Statements To insert a new row into a table, you should use the INSERT INTO statement with values specified for all columns as shown in the following example: mysql> INSERT INTO fyi_links VALUES (101, 'd... 2007-05-11, 4942👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML