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Numeric Value Functions
Describes some commonly used numeric functions like, ABS(), CEILING(), COS(), PI(), RANDOM(), ROUND(), and TRUNCATE(). 2022-10-01, ∼355🔥, 0💬

Accessing MySQL Servers from Perl Programs
A tutorial example is provided on what programs and modules are needed to access MySQL servers from Perl programs, and how to install them. 2022-10-01, ∼354🔥, 0💬

Use Index for Better Performance
This chapter provides tutorial notes on Index. Topics include introduction of index; using index to reduce searching time; creating composite indexes on value combinations of multiple columns. 2022-10-01, ∼352🔥, 0💬

%mysql% Variable for MySQL Server Path
Tutorial example on how to create an environment variable '%mysql%' to represent the MySQL Server directory path name. This gives a quick way to invoke a MySQL command like '%mysql%\bin\mysql'. 2022-10-01, ∼351🔥, 0💬

Data Literals
Describes how to enter data into programs as data literals for different datatypes. 2022-10-01, ∼350🔥, 0💬

Character Strings and Bit Strings
This chapter provides tutorial notes on character strings and bit strings. Topics include character string operations and functions; bit string operations and functions. 2022-10-01, ∼350🔥, 0💬

Using SELECT to Query Database
This chapter provides tutorial notes on SELECT query statements. Topics include SELECT statement syntax, FROM clause, WHERE clause, GROUP BY clause, ORDER BY clause, JOIN table operations. 2022-10-01, ∼350🔥, 0💬

Scopes of System Variables: Global and Session
This section describes global and session scopes of system variables. GLOBAL and SESSION keywords can be used to separate system variable scopes. 2022-10-01, ∼350🔥, 0💬

Configuring PHP for MySQL Server Access
A tutorial example is provided on how to configure the PHP engine for MySQL server connection access. Setting, extension=php_mysql.dll, needs to be turned on in the configuration file php.ini. 2022-10-01, ∼347🔥, 0💬

Storage Engines in MySQL Server
This chapter provides tutorial notes on MySQL storage engines. Topics include listing of pluggable storage engines; cluster index data structure used on InnoDB storage engine; system variables, status variables and statistical information on InnoDB engine. 2022-10-01, ∼347🔥, 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, ∼347🔥, 0💬

Table Column Types for Date and Time Values
Describes 6 types of table columns to store date and time values: TIME, DATE, TIMESTAMP, TIME WITH TIME ZONE, TIMESTAMP WITH TIME ZONE, and INTERVAL. 2022-10-01, ∼346🔥, 0💬

Install MySQL Database Server on CentOS
This section provides a tutorial example on how to install MySQL 8.0 server on CentOS 8 systems using 'dnf/yum' as the package manager. 2022-10-01, ∼345🔥, 0💬

What Is InnoDB Storage Engine
This section describes the InnoDB storage engine, the default storage engine in the newer versions of MySQL server. 2022-10-01, ∼345🔥, 0💬

Table Column Types for Bit Strings
Describes 2 types of table columns to store bit strings: BIT and BIT VARYING. 2022-10-01, ∼341🔥, 0💬

Commonly Used Functions
This chapter provides tutorial notes on built-in functions. Topics include commonly used flow control functions, character string functions, numeric functions, data and time functions, the cast function. 2022-10-01, ∼340🔥, 0💬

CREATE INDEX - Statement to Create Indexes
A tutorial example is provided on how to create indexes as part of CREATE TABLE statements or using CREATE INDEX standalone statements. 2022-10-01, ∼340🔥, 0💬

Numeric Literal Evaluation Examples
This section provides tutorial examples on how numeric literals are evaluated to values of different datatypes. 2022-10-01, ∼340🔥, 0💬

INSERT INTO - Statement to Insert Records to Tables
A tutorial example is provided on how to use INSERT INTO statements to insert records into tables in different ways. 2022-10-01, ∼339🔥, 0💬

Window Functions for Statistical Analysis
This chapter provides tutorial notes on Window Functions. Topics include introduction of window functions; OVER clause to identify window functions; PARTITION BY clause to form multiple windows; ROWS and RANGE clauses to specify moving frames; WINDOW clause to name windows. 2022-10-01, ∼339🔥, 0💬

What Is SQL
This section provides a quick introduction of SQL (Structured Query Language), a computer language that allows users to interact with RDBMS to define create data structure and manage data instances. 2022-10-01, ∼338🔥, 0💬

SQL and Database Terminologies
This section provides brief descriptions of terminologies related to SQl and database. 2022-10-01, ∼338🔥, 0💬

Table Column Types for Approximate Numbers
Describes 3 types of table columns to store approximate numbers: FLOAT, REAL and DOUBLE PRECISION. 2022-10-01, ∼338🔥, 0💬

ALTER TABLE - Statement to Alter Table Structures
A tutorial example is provided on how to use ALTER TABLE statements to add, delete, modify, columns and indexes. 2022-10-01, ∼337🔥, 0💬

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

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