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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, ∼411🔥, 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, ∼410🔥, 0💬

Table Column Types for Character Strings
Describes 4 types of table columns to store character strings: CHAR, VARCHAR, NCHAR and NCHAR VARYING. 2022-10-01, ∼409🔥, 0💬

Operations and Functions for Character Strings
Describes operations and functions for character strings, sequences of characters from predefined character sets. 2022-10-01, ∼408🔥, 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, ∼408🔥, 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, ∼408🔥, 0💬

SELECT Statements
A tutorial example is provided on how to use SELECT statements to retrieve from database as multiple rows and multiple fields in each row. 2022-10-01, ∼406🔥, 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, ∼405🔥, 0💬

Bulk Delete with a Simple Condition
This section provides a tutorial example on bulk deletion with a simple condition on a large table. 2022-10-01, ∼403🔥, 0💬

XML Document Functions
Describes some commonly used XML document functions like, ExtractValue() and UpdateXML(). 2022-10-01, ∼402🔥, 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, ∼401🔥, 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, ∼400🔥, 0💬

Character String Functions
Describes some commonly used character string functions like, CONCAT(), CHAR_LENGTH(), SUBSTRING(), UPPER(), LOWER(), TRIM(), and POSITION(). 2022-10-01, ∼398🔥, 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, ∼398🔥, 0💬

Secondary Index on InnoDB Table
This section describes what is secondary index on an InnoDB table. Any any non-primary index is called secondary index. 2022-10-01, ∼395🔥, 0💬

Date and Time Functions
Describes some commonly used date and time functions like, CURRENT_DATE(), CURRENT_TIME(), and EXTRACT(). 2022-10-01, ∼394🔥, 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, ∼394🔥, 0💬

Performance Comparison of Inserting Integers vs. Strings
This section provides a tutorial example on how to check performance comparison between inserting integers and inserting strings to MySQL database. 2022-10-01, ∼392🔥, 0💬

Date and Time Operations
This section provides a list of date and time operations supported by SQL and some examples. 2022-10-01, ∼391🔥, 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, ∼391🔥, 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, ∼390🔥, 0💬

Table Column Types for Byte Strings
Describes 2 types of table columns to store Byte strings: BINARY and VARBINARY. 2022-10-01, ∼389🔥, 0💬

JSON Document Functions
Describes some commonly used JSON Document functions like, JSON_VALID(), JSON_TYPE(), JSON_ARRAY(), JSON_OBJECT(), JSON_EXTRACT(), JSON_REMOVE(), JSON_REPLACE(), JSON_SET(), and JSON_INSERT(). 2022-10-01, ∼388🔥, 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, ∼388🔥, 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