mysql boolean column

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MySQL database data type Bool/boolean and tinyint test summary

From:http://database.51cto.com/art/201203/323863.htmMany people on the web are consulting MySQL for Boolean types? The MySQL database does provide a Boolean type that can be written as a Boolean type bool or Boolean type Boolean, but does the MySQL

SQL Boolean type

About MySQL for Boolean and tinyint (1)Boolean typeMySQL saves a Boolean value with 1 for true,0 representing False,boolean in MySQL with type tinyint (1),There are four constants in MySQL: True,false,true,false, which represent 1,0,1,0 respectively,

SQL Boolean type

About MySQL for Boolean and tinyint (1)Boolean typeMySQL saves a Boolean value with 1 for true,0 representing False,boolean in MySQL with type tinyint (1),There are four constants in MySQL: True,false,true,false, which represent 1,0,1,0 respectively,

The difference between Bool/boolean and TINYINT in MySQL-Test notes

(i) data type test (1). Boolean type Bool/boolean and micro-integral tinyint a). To create a test table structure Root@localhost:test 05:12:49> CREATE TABLE boolean_test (ID INT not NULL auto_increment, -> Online_flag BOOL, -> Lock_flag BOOLEAN, ->

MySQL Security Guide

mysql| Security | Security as a MySQL system administrator, you are responsible for maintaining the data security and integrity of your MySQL database system. This article mainly describes how to build a secure MySQL system, from the system internal

MySQL learning experience

Because I need to use MySQL in my work, I learned from the Internet and started to practice, and finally changed from a "database cainiao" to a "quasi-Prawns" Who Can skillfully operate MySQL ,:). My learning experience is as follows. MySQL is a

Mysql 5.6.17 Green Edition (Installation-free) installation and configuration tutorial, 5.6.17 installation and configuration tutorial

Mysql 5.6.17 Green Edition (Installation-free) installation and configuration tutorial, 5.6.17 installation and configuration tutorial I recently used the MySql database for project development. After reading some articles about MySql, I quickly

Day04 about Mysql-android's small white study notes

MySQL Getting Started 1, Database Basics (Understanding) 1.1, Database Introduction 1.1.1, what is a database? What is the role of the database?The database is the warehouse that stores the data, its essence is a file system, the data is stored in

Basic Primer _python-modules and packages. Deep SQLAlchemy column-level constraints vs. table-level constraints?

Brief introduction:Description: This module is primarily used to map a relational database table to a class of py, the row maps to an instance of the Py class, and the column maps to the properties of the Py instance, because it is compatible with

MySQL database installation, configuration My.ini file

I recently used MySQL database in project development, and after reading some articles about MySQL, I quickly started using it. There are still some problems in the use of the process, because the use of the green version of the installation of

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