From: http://www.2cto.com/database/201206/134514.html
0. Create a database tableMysql> create database if not exists my_db default charset utf8 COLLATE utf8_general_ci;# Pay attention to the following sentence "COLLATE utf8_general_ci", which
Metadata Overview
The most common definition of metadata (metadata) is "structured data about data", or simply "information about data ", legends, library directory cards, and business cards in daily life can be viewed as metadata. In the
PHP extracts a lot of data from the database, cyclically outputs a lot of data from the database in the html page table, and cyclically outputs the data in the html page table. Previously, thinkphp framework was used.
Label. Currently, the
Database Learning (4) -- create and update a data table 1 Database Learning (3) -- create and delete a database http://www.bkjia.com/database/201305/207489.html data table is a level object for operations in a relational database. In relational
The source of this article: http://www.cnblogs.com/wy123/p/6704619.htmlIssue backgroundIn a write SQL Server stored procedure, if a temporary table is defined in the stored procedure,Some people are used to explicitly delete a temporary table
Mysql disciples (2): Mysql views, creates, and changes databases and tables bitsCN.com
1. check whether
I want to see how many databases, how many tables, and what are in the table. Then you can:
Graphic interface:
Command:
Check the number of
The main contents of this chapter:
First, foreign key
Second, table connection
Third, sub-query
Iv. Index
First, FOREIGN key:
1. What is a foreign key
2. Foreign KEY syntax
3, FOREIGN key conditions
4.
The main contents of this chapter:
First, foreign key
Second, table connection
Third, sub-query
Iv. Index
first, foreign key:
1. What is a foreign key
2. Foreign KEY syntax
3, FOREIGN key conditions
4.
The table class provides multiple functions that allow you to automatically generate HTML tables from arrays or database results.
Initialization class
Like other codeigniter classes, use the $ this-> load-> library function in the Controller to
MySQL常用指令,java,php程序员,数据库工程师必备。程序员小冰常用资料整理MySQL common commands (for reference)The most common display commands are:1. Display the list of databases.show databases;2. Display the data table in the library:Use MySQL;Show tables;3, display the
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