Replace and regexp usage0 Comments | This entry was posted on Apr 08 2010.
Mysql replace usage
1. replace
Replace into table (id, name) values ('1', 'A'), ('2', 'bb ')
This statement inserts two records into the table. If the primary key id is 1 or 2
Use of Replace and regexp0 Comments | This entry is posted on APR 08 2010
MySQL Replace usage
1.replace into
Replace into table (Id,name) VALUES (' 1′, ' AA '), (' 2′, ' BB ')
The purpose of this statement is to insert two records into table tables.
MySQL table sharding Methods: MySQL
I. Let me explain why Table sharding is required.
When a piece of data reaches several millions, it takes more time for you to query the data at a time. If there is a joint query, I think it may die there. The
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
This article is a MySQL database insert, UPDATE, delete and replace statements in the use of detailed analysis of the introduction, the need for friends to refer to the
MySQL database insert and UPDATE statements Introduction: The SQL used to
the basic syntax for the CREATE TABLE statement in MySQL is:
CREATE [temporary] TABLE [IF not EXISTS] tbl_name [(create_definition,...)]
[Table_options] [Select_statement]
Temporary: This keyword indicates that a new table created
1. download MySql
1. download MySql
Open http://www.mysql.com/downloads/mysql/#downloads download in browser
My downloaded version is Red Hat 5 version of http://www.mysql.com/downloads/mirror.php? Id = 407552
Upload the file to the server, or
MySQL has a lot of visual management tools, such as "Mysql-workbench" and "sequel-pro-". Now I am writing mysql Terminal command Operation article, is to strengthen my understanding of MySQL, always better than the use of graphical understanding,
The following article describes the update statements of the MySQL database in detail. We will introduce the INSERT and REPLACE statements to you today, we all know that the syntax of these two statements is very similar. The main difference between
MySQL replace into and on duplicate key update test notesMysql> CREATE TABLE tbl_insert_tmp (ID int (5), Addr_number Int (ten), name varchar, primary key (ID), unique key Udx_add R_number (Addr_number));Query OK, 0 rows affected (0.05 sec)Mysql>
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