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HelloMySQL.pl - Sample Perl Program to Use MySQL
This section provides a sample Perl program, HelloMySQL.pl, which connects the MySQL server on the local machine, creates a table and inserts a record into the table.
2022-10-01, ∼250🔥, 0💬

XML Document Functions
Describes some commonly used XML document functions like, ExtractValue() and UpdateXML().
2022-10-01, ∼250🔥, 0💬

Statistic Information on InnoDB Tables
This section provides a tutorial example on how to collect and review statistic information on InnoDB tables in MySQL server.
2022-10-01, ∼250🔥, 0💬

mysqli_connect() and Other MySQL Functions
Describes functions supported by the MySQL extension library, php_mysql.dll. mysql_connect() creates a connection to the specified MySQL server.
2022-10-01, ∼248🔥, 0💬

DELETE FROM - Statement to Delete Records from Tables
A tutorial example is provided on how to use DELETE FROM statements to delete records from tables.
2022-10-01, ∼247🔥, 0💬

Arithmetic Operations
This section provides a list of numeric operations supported by SQL and some examples.
2022-10-01, ∼245🔥, 0💬

Table Column Types for Byte Strings
Describes 2 types of table columns to store Byte strings: BINARY and VARBINARY.
2022-10-01, ∼245🔥, 0💬

Workaround on InnoDB "SELECT COUNT(*)" Problem
This section provides a tutorial example showing workarounds of the 'SELECT COUNT(*)' performance problem. count(fid) is much faster, if 'fid' is defined as a secondary index.
2022-10-01, ∼245🔥, 0💬

Connection URL Tests on Older MySQL Connector/J
Describes the connection URL format test program and result with older MySQL Connector/J releases.
2022-10-01, ∼243🔥, 0💬

"SHOW STATUS ..." - Server Status Variables
This section describes Server Status Variables, which are counters used by MySQL server to provide statistics information about its running status.
2022-10-01, ∼240🔥, 0💬

Table Column Types for Look Up Values
Describes 2 types of table columns to store look up values: ENUM and SET.
2022-10-01, ∼238🔥, 0💬

System Variables Like @@version
This section provides a quick introduction on system variables, which are used by MySQL server to represent system information or control system behaviors.
2022-10-01, ∼236🔥, 0💬

Table Column Types for LOB (Large OBject)
Describes 8 types of table columns to store LOB (Large OBject) data: TINYBLOB, BLOB, MEDIUMBLOB, LONGBLOB, TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT.
2022-10-01, ∼235🔥, 0💬

"SHOW" - Show Server Information
This section provides a tutorial on how to use 'show' statements to display MySQL server information.
2022-10-01, ∼234🔥, 0💬

Date and Time Operations
This section provides a list of date and time operations supported by SQL and some examples.
2022-10-01, ∼232🔥, 0💬

Capture Slow Queries
This section provides a tutorial example on setup MySQL server to capture slow queries based on given conditions on execution time and number of rows examined.
2022-10-01, ∼232🔥, 0💬

UPDATE with Joined Tables
This section provides a tutorial example on how to use UPDATE statements to update records in one or multiple tables with joined tables.
2022-10-01, ∼229🔥, 0💬

Solutions for Slow Queries
This section provides some suggestions to resolve slow query problems including refreshing table statistics, rebuilding indexes, optimizing table data storage, and changing storage engine.
2022-10-01, ∼224🔥, 0💬

User-Defined vs. Stored Procedure Variables
This section provides a tutorial example to show you differences between user-defined variables and stored procedure variables: syntax, declaration and scope.
2022-10-01, ∼224🔥, 0💬

Table Column Types for Spatial Geometry Data
Describes 8 types of table column to store Spatial Geometry Data: GEOMETRY, POINT, LINESTRING, POLYGON, MULTIPOINT, MULTILINESTRING, MULTIPOLYGON, GEOMETRYCOLLECTION, GEOMETRYCOLLECTION.
2022-10-01, ∼219🔥, 0💬

Server Performance Troubleshooting
This section provides some suggestions to troubleshoot server performance issues including checking total connections; listing running processes with their execution time; checking for locks; killing long running processes.
2022-10-01, ∼214🔥, 0💬

Install MySQL Database Server on macOS
This section provides a tutorial on how to install MySQL database server on macOS.
2022-10-01, ∼214🔥, 0💬

Convert Table to InnoDB Storage Engine
This section provides a tutorial example on how to convert a database table from MyISAM to InnoDB engine without taking the MySQL server offline.
2022-10-01, ∼214🔥, 0💬

Character String Literal Evaluation Examples
This section provides tutorial examples on how character string literals are evaluated to values of different datatypes.
2022-10-01, ∼213🔥, 0💬

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