MySQL Tutorials - Herong's Tutorial Examples - v4.46, by Herong Yang
Character String Literal Evaluation Examples
This section provides tutorial examples on how character string literals are evaluated to values of different datatypes.
Character string literal evaluation example - CharStringLiterals.sql:
-- CharStringLiterals.sql -- Copyright (c) 1999 HerongYang.com. All Rights Reserved. -- SELECT 'Hello world!' AS LINE_1; SELECT 'Loews L''Enfant Plaza' AS LINE_2; SELECT '123'+ 0 AS LINE_3; SELECT '0.123e-1' + 0 AS LINE_4; SELECT 'ABC' + 1 AS LINE_5;
Output on MySQL server 8.0:
herong> set mysql="\Program Files\MySQL\MySQL Server 8.0" herong> %mysql%\bin\mysql --user=root --password=TopSecret \ < CharStringLiterals.sql LINE_1 Hello world! LINE_2 Loews L'Enfant Plaza LINE_3 123 LINE_4 0.0123 LINE_5 1
Note that:
Table of Contents
MySQL Introduction and Installation
Introduction of MySQL Programs
Perl Programs and MySQL Servers
Java Programs and MySQL Servers
►Character String Literal Evaluation Examples
Hex String Literal Evaluation Examples
Numeric Literal Evaluation Examples
Character Strings and Bit Strings
Table Column Types for Different Types of Values
Using DDL to Create Tables and Indexes
Using DML to Insert, Update and Delete Records
Using SELECT to Query Database
Window Functions for Statistical Analysis
Use Index for Better Performance
Transaction Management and Isolation Levels
Defining and Calling Stored Procedures
Variables, Loops and Cursors Used in Stored Procedures
System, User-Defined and Stored Procedure Variables
Storage Engines in MySQL Server
InnoDB Storage Engine - Primary and Secondary Indexes
Performance Tuning and Optimization
Installing MySQL Server on Linux