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Character String Functions
Describes some commonly used character string functions like, CONCAT(), CHAR_LENGTH(), SUBSTRING(), UPPER(), LOWER(), TRIM(), and POSITION(). 2022-10-01, ∼310🔥, 0💬

Performance of Inserting Integers to MySQL Database
This section provides a tutorial example on how to test the performance of inserting integers into MySQL server database using PHP 'mysqli' functions. MySQL server is 100 times slower on my CentOS computer and macOS computer. 2022-10-01, ∼309🔥, 0💬

Date and Time Functions
Describes some commonly used date and time functions like, CURRENT_DATE(), CURRENT_TIME(), and EXTRACT(). 2022-10-01, ∼308🔥, 0💬

What Is Expression
This section provides quick introductions of main expression categories: numeric, character string, bit string, data and time, and time interval. 2022-10-01, ∼307🔥, 0💬

JoinTable.sql - Example of Join Tables
This section provides tutorial examples on how different join operations work: CROSS JOIN, INNER JOIN, LEFT OUTER JOIN, RIGHT OUTER JOIN. 2022-10-01, ∼307🔥, 0💬

Data Literal Evaluation
Describes how data literals will be evaluated into values of particular datatypes based on the expression context. 2022-10-01, ∼306🔥, 0💬

WHERE Clause of a SELECT Statement
This section provides tutorial examples on how to use the WHERE clause to filter rows out of the base table in a SELECT statement. 2022-10-01, ∼306🔥, 0💬

Operations and Functions for Bit Strings
Describes operations and functions for bit strings, sequences of bit values, 0 and 1. 2022-10-01, ∼304🔥, 0💬

UPDATE - Statement to Update Records in Tables
This section provides a tutorial example on how to use UPDATE statements to update records stored in tables. 2022-10-01, ∼304🔥, 0💬

Hex String Literal Evaluation Examples
This section provides tutorial examples on how hex string literals are evaluated to values of different datatypes. 2022-10-01, ∼304🔥, 0💬

MySQL Server Data Backups on CentOS
This section provides a tutorial example on how to create backups of MySQL databases and load it back to another MySQL server for MySQL 8.0 server on CentOS 8 systems. 2022-10-01, ∼304🔥, 0💬

MySQL Status Variables for InnoDB Engine
This section describes some important MySQL status variables that represent statistic counts related the InnoDB storage engine. 2022-10-01, ∼304🔥, 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, ∼301🔥, 0💬

Bulk Changes on Large Tables
This chapter provides tutorial notes on bulk changes no large tables. Topics include general general guidelines for bulk changes; deleting records with simple conditions; deleting records that are not referenced. 2022-10-01, ∼299🔥, 0💬

XML Document Functions
Describes some commonly used XML document functions like, ExtractValue() and UpdateXML(). 2022-10-01, ∼298🔥, 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, ∼298🔥, 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, ∼296🔥, 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, ∼295🔥, 0💬

MySQL Server File Locations on CentOS
This section provides a tutorial example on how to find and view MySQL Server file locations for MySQL 8.0 server on CentOS 8 systems. 2022-10-01, ∼294🔥, 0💬

CREATE PROCEDURE - Statement to Create Stored Procedures
This section provides tutorial examples on how to use CREATE PROCEDURE statements to create stored procedures. 2022-10-01, ∼293🔥, 0💬

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, ∼292🔥, 0💬

Cast Function
Describes the CAST() function, which can be used to convert a value of any datatype to any other datatype. 2022-10-01, ∼290🔥, 0💬

Table Column Types for Byte Strings
Describes 2 types of table columns to store Byte strings: BINARY and VARBINARY. 2022-10-01, ∼290🔥, 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, ∼284🔥, 0💬

<< < 1 2 3 4 5 6 7 8 > >>   ∑:175  Sort:Rank

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO