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How To Select an Exiting Database
How To Select an Exiting Database? - PHP Script Tips - Working with MySQL Database The first thing after you have created a connection object to the MySQL server is to select the database where your tables are locate, by using the mysql_select_db() function. If your MySQL server is offered by your W... 2007-04-18, 5092👍, 0💬

How To Create a Table
How To Create a Table? - PHP Script Tips - Working with MySQL Database If you want to create a table, you can run the CREATE TABLE statement as shown in the following sample script: &lt;?php include "mysql_connection.php"; $sql = "CREATE TABLE fyi_links (" . " id INTEGER NOT NULL" . ", url VARCH... 2007-04-19, 5083👍, 0💬

How To Get the Number of Rows Selected or Affected by a SQL Statement
How To Get the Number of Rows Selected or Affected by a SQL Statement? - PHP Script Tips - Working with MySQL Database There are two functions you can use the get the number of rows selected or affected by a SQL statement: mysql_num_rows($rs) - Returns the number of rows selected in a result set obj... 2007-04-19, 5082👍, 0💬

How To Create a New Table
How To Create a New Table? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you want to create a new table, you can use the "CREATE TABLE" statement. The following tutorial script shows you how to create a table called "tip": mysql> CREATE TABLE tip (id INTEGER PRIMARY KEY, subj... 2007-05-11, 5079👍, 0💬

How To Check and Repair MyISAM Tables
How To Check and Repair MyISAM Tables? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB If you have a corrupted MyISAM table, like the one resulted from the previous tutorial exercise, you can use the "CHECK TABLE" and "REPAIR TABLE" commands to try to repair it. The following tutorial exercis... 2007-05-10, 5079👍, 0💬

Where Table Data Is Stored by the MyISAM Storage Engine
Where Table Data Is Stored by the MyISAM Storage Engine? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB By default, MySQL provides \mysql\data directory for all storage engines to store table data. Under \mysql\data directory, each database will have its own subdirectory to store table data.... 2007-05-10, 5075👍, 0💬

How To Filter Out Duplications in the Returning Rows
How To Filter Out Duplications in the Returning Rows? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If there are duplications in the returning rows, and you want to remove the duplications, you can use the keyword DISTINCT in the SELECT clause. The DISTINCT applies to the combination of a... 2007-05-11, 5074👍, 0💬

How To Delete an Existing Column in a Table
How To Delete an Existing Column in a Table? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you have an existing column in a table and you do not need that column any more, you can delete it with "ALTER TABLE ... DROP COLUMN" statement. Here is a tutorial script to delete an e... 2007-05-11, 5074👍, 0💬

How Many SQL DDL Commands Are Supported by "mysql"
How Many SQL DDL Commands Are Supported by "mysql"? - MySQL FAQs - Command-Line End User Interface mysql There are 4 SQL Data Definition Language (DDL) commands that are supported by "mysql". They are listed below with short descriptions: "CREATE dataObjectType dataObjectName" - Creates new database... 2007-05-08, 5072👍, 0💬

What Is the Command Line End User Interface - mysql
What Is the Command Line End User Interface - mysql? - MySQL FAQs - Command-Line End User Interface mysql "mysql", official name is "MySQL monitor", is a command-line interface for end users to manage user data objects. "mysql" has the following main features: "mysql" is command line interface. It i... 2007-05-10, 5071👍, 0💬

How To Get a List of All Tables in a Database
How To Get a List of All Tables in a Database? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you want to see the table you have just created, you can use the "SHOW TABLES" command to get a list of all tables in database. The tutorial script gives you a good example: mysql> SH... 2007-05-11, 5064👍, 0💬

How To Check Your PHP Installation
How To Check Your PHP Installation? - MySQL FAQs - PHP Connections and Query Execution PHP provides two execution interfaces: Command Line Interface (CLI) and Common Gateway Interface (CGI). If PHP is installed in the \php directory on your system, you can try this to check your installation: Run "\... 2007-05-10, 5063👍, 0💬

How To Get MySQL Statement Execution Errors
How To Get MySQL Statement Execution Errors? - MySQL FAQs - PHP Connections and Query Execution When you execute a MySQL statement with mysql_query(), and the statement failed, mysql_query() will return the Boolean value FALSE. This is good enough to tell that there is something wrong with that stat... 2007-05-10, 5056👍, 0💬

How To Get Help Information from the Server
How To Get Help Information from the Server? - MySQL FAQs - Command-Line End User Interface mysql While you are at the "mysql>" prompt, you can get help information from the server by using the "HELP" command. The tutorial exercise below shows sevearal examples: >cd \mysql\bin >mysql -u root mysql> ... 2007-05-10, 5055👍, 0💬

What Is a Result Set Object
What Is a Result Set Object? - PHP Script Tips - Working with MySQL Database A result set object is a logical representation of data rows returned by mysql_query() function on SELECT statements. Every result set object has an internal pointer used to identify the current row in the result set. Once ... 2007-04-19, 5054👍, 0💬

How To Use LIKE Conditions
How To Use LIKE Conditions? - MySQL FAQs - Introduction to SQL Basics A LIKE condition is also called pattern patch. There are 3 main rules on using LIKE condition: '_' is used in the pattern to match any one character. '%' is used in the pattern to match any zero or more characters. ESCAPE clause i... 2007-05-11, 5053👍, 0💬

How To Update an Existing Rows in a Table
How To Update an Existing Rows in a Table? - PHP Script Tips - Working with MySQL Database Updating existing rows in a table requires to run the UPDATE statement with a WHERE clause to identify the row. The following sample script updates one row with two new values: &lt;?php include "mysql_conn... 2007-04-19, 5034👍, 0💬

How Do You Know the Version of Your MySQL Server
How Do You Know the Version of Your MySQL Server? - MySQL FAQs - Downloading and Installing MySQL on Windows If you want to know the version number of your MySQL server, you can use the "mysqladmin" program in a command window as shown in the following tutorial: >cd \mysql\bin >mysqladmin -u root ve... 2007-05-10, 5030👍, 0💬

How To Create a New Table Using MyISAM Storage Engine
How To Create a New Table Using MyISAM Storage Engine? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB MyISAM storage engine is based on the ISAM (Indexed Sequential Access Method) concept, which was first developed at IBM to store and retrieve data on secondary storage systems like tapes. My... 2007-05-10, 5025👍, 0💬

How To Run a SQL Statement
How To Run a SQL Statement? - PHP Script Tips - Working with MySQL Database You can run any types of SQL statements through the mysql_query() function. It takes the SQL statement as a string and returns different types of data depending on the SQL statement type and execution status: Returning FALSE... 2007-04-18, 5020👍, 0💬

Where Table Data Is Stored by the InnoDB Storage Engine
Where Table Data Is Stored by the InnoDB Storage Engine? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB By default, MySQL provides \mysql\data directory for all storage engines to store table data. Under \mysql\data directory, InnoDB storage engine will create 3 files to store and manage all... 2007-05-10, 5005👍, 0💬

How To Rename an Existing User Account Name
How To Rename an Existing User Account Name? - MySQL FAQs - Managing User Accounts and Access Privileges If you want to change the name of an existing user account, you can use the "RENAME USER oldName TO newName" command. The tutorial exercise below shows you how to do this: >cd \mysql\bin >mysql -... 2007-05-10, 5003👍, 0💬

How To Insert Rows Based on SELECT Statements
How To Insert Rows Based on SELECT Statements? - PHP Script Tips - Working with MySQL Database If want to insert rows into a table based on data rows from other tables, you can use a sub-query inside the INSERT statement as shown in the following script example: &lt;?php include "mysql_connectio... 2007-04-19, 4999👍, 0💬

What Is SQL
What Is SQL? - MySQL FAQs - Database Basics and Terminologies SQL, SEQUEL (Structured English Query Language), is a language for RDBMS (Relational Database Management Systems). SQL was developed by IBM Corporation. 2007-05-10, 4998👍, 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