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Column Options When Creating Tables
A tutorial example is provided on how to use different column options like, NULL, UNIQUE, DEFAULT, PRIMARY KEY, when creating new tables. 2022-10-01, ∼263🔥, 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, ∼263🔥, 0💬

Creating Tables with AUTO_INCREMENT Columns
Describes how to create a table with an AUTO_INCREMENT column. 2022-10-01, ∼262🔥, 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, ∼262🔥, 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, ∼261🔥, 0💬

mysql - The Client Tool for End Users
This section provides a quick introduction of mysql, the client tool for end users to manage their data on MySQL servers. You can run mysql on a remote system to create new databases and new tables, to insert, update or delete data from tables. 2022-10-01, ∼258🔥, 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, ∼255🔥, 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, ∼255🔥, 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, ∼254🔥, 0💬

"INSERT INTO" Statements
Describes how to insert data rows with INSERT INTO statements. 2022-10-01, ∼252🔥, 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, ∼251🔥, 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, ∼251🔥, 0💬

MySqlLoop.php - MySQL Functions Test
A tutorial example is provided on how to use MySQL functions to connect to a MySQL server, and run SQL statements to create a table, insert rows and fetch rows with the MySQL server. 2022-10-01, ∼250🔥, 0💬

Operations and Functions for Bit Strings
Describes operations and functions for bit strings, sequences of bit values, 0 and 1. 2022-10-01, ∼250🔥, 0💬

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

What Are Storage Engines
This section describes MySQL storage engines, which implement different strategies on how data is stored, updated and retrieved in storage devices. 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💬

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, ∼248🔥, 0💬

Delete Records That Are Not Referenced
This section provides a tutorial example on bulk deletion for records that are not referenced by another table. 2022-10-01, ∼246🔥, 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💬

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, ∼244🔥, 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, ∼244🔥, 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, ∼244🔥, 0💬

Arithmetic Operations
This section provides a list of numeric operations supported by SQL and some examples. 2022-10-01, ∼242🔥, 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