show tables

9.12 Adding or deleting table fields9.12.1 command syntax and default add-in Demo1. Command syntax: ALTER TABLE name add field type other2. Test table Datamysql> show create table student\G*************************** 1. row **************************

The so-called database is the establishment of the construction of the table constraints.① determines that the entity is determined to have several tables② determining the properties of a tableThree levels of normalization: three paradigms of

from:http://blog.163.com/[email protected]/blog/static/109463675201191173221759/MySQL add column, modify column, delete column's SQL statement notationALTER table: Add, modify, delete table columns, constraints, and other table definitions.

Installation: Phillips to MySQL root rootWindows +r:cmd Carriage returnCD \Msql-uroot-proot Http://study.163.com/course/co urselearn.htm?courseid=706085#/learn/video?lessonid=867411&courseid=706085 Video Web

from:http://blog.163.com/[email protected]/blog/static/109463675201191173221759/One, duplicate table structureMethod 1:Mysql> CREATE table a like users; Duplicate table structureQuery OK, 0 rows affected (0.50 sec)Mysql> Show tables;+----------------

1: mysqlmemcachedUDF uses libmemcached to use a series of memcache functions. Through these functions, you can perform get, set, cas, append, prepend, delete, increment, decrementobjects operations on memcache, if we use these functions through

Next we will talk about adding constraints in the previous article. 3. Add CONSTRAINT (3) add foreign key CONSTRAINT altertable_nameadd [CONSTRAINT [symbol] FOREIGNKEY [index_name] [index_type] (index_col_name,...) references_definition; example:

A data table (or table) is one of the most important components of a database and is the basis of other objects. A data table (or table) is one of the most important components of a database and is the basis of other objects. Data Table A data

Mysql DDL & DML language, mysqlddlDDL: Data Definition Language 　　CREATE, ALTER, DROP Common commands related to CREATE: CREATE DATABASECREATE EVENTCREATE FUNCTIONCREATE FUNCTION UDFCREATE INDEXCREATE PROCEDURECREATE SERVERCREATE TABLECREATE

Mysql database commands Common MySQL commands 1. Connect to MySQL Format: mysql-h host address-u user name-p User Password 1. Example 1: connect to MYSQL on the local machine. First, open the DOS window, enter the directory mysqlbin, then type the

The simplest MySQL Data Backup and restoration tutorial (I) (35) in history, mysql Data Backup The first article on data backup and restoration is as follows: Basic concepts: Backup, save the existing data or records in another copy; Restores the

1. use the SHOW statement to find out the current Database on the server: mysqlSHOWDATABASES; + ---------- + | Database | + ---------- + | mysql | test | + ---------- + 3 rowsinset (0.00sec) 2. create a database, abccsmysqlCREATEDATABASEabccs. note

This article starts with the basics to help you open the MySQL database door. 1. use the SHOW statement to find out the existing Database: SHOWDATABASES; + ---------- + | Database | + ---------- + | mysql | test | + ---------- + 3 rowsinset (0.00sec)

Prepare the environment: the server operating system is RHEL6.4x86 _ 64, to minimize installation. Both host A and host B disable the firewall and SELINUX. the IP addresses are 192.168.131.129 and 192.168.131.130, and the MySQL version is 5.6.26,

This article mainly introduces the summary of common commands for MySQL to view and clear tables. it is the basic knowledge in MySQL getting started. For more information, see View MySQL database tablesGo to MySQL Command line client View the

The database has been connected in the previous lecture. As far as the database is concerned, it should be manipulated after the connection. However, the current name is called Qiwsirtest data is only empty shelves, there is nothing to operate, to

Installing MySQL on Ubuntu is very simple. You only need to open the terminal and run several commands. Installing MySQL on Ubuntu is very simple. You only need to open the terminal and run several commands. Installing MySQL on Ubuntu is very

MYSQL Getting Started: Link to MYSQL command parameters: MYSQL Getting Started: basic operations http://www.bkjia.com/database/201212/173868.htmlMYSQL Entry 2: Search Using Regular Expressions http://www.bkjia.com/database/201212/173869.htmlMYSQL

I. Download. Here we use the green decompressed version.Http://mirror.services.wisc.edu/mysql/Downloads/MySQL-5.1/mysql-noinstall-5.1.32-win32.zip2. Configure MySQL Parameters1. decompress the green software to D: \ AppServ \ MySQL.Set system

Common MySQL database operations 1. display the database showdatabases; 2. Select the database use database name; 3. display the table showtables in the database; 4. display the table structure describe table name; 5. The SELECT * FROM table name is