mysql fast import

1. Test MySQL Connection Bin/sqoop list-databases--connect jdbc:mysql://192.168.1.187:3306/trade_dev--username ' mysql '--password ' 111111 ' 2. Verifying SQL statements Bin/sqoop eval--connect

SELECT into OUTFILE>HelpSelect; Name:'SELECT'Description:syntax:SELECT [All | DISTINCT | Distinctrow] [high_priority] [max_statement_time = N] [Straight_join] [Sql_small_result] [Sql_big_result] [Sql_buffer_result]

In the development of the project, often encountered different requirements, compatible with different types of database is one of our project status quo, the level of compatibility with a variety of databases will enable us to develop different

The so-called index is a specific MySQL field for some specific algorithm sorting, such as the two-fork tree algorithm and hashing algorithm, the hash algorithm is established by establishing the eigenvalues, and then based on the characteristics of

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

Import the data that needs to be analyzed into the database today.Data of nearly 70 million, stored in TXT file, a total of 5.75G. It was imported using load data infile and took 18 hours to import. The following changes were mainly made:1. mysql

Installation Environment[Email protected] ~]# cat/etc/centos-releaseCentOS Linux release 7.0.1406 (Core)0x01 preparatory work1, to the MySQL official website download mysql-community-5.7.11-1.el7.src.rpm Source PackageRpm-ih MYSQL-COMMUNITY-5.7.11-1.

In the development of the project, often encountered different requirements, compatible with different types of database is one of our project status quo, the level of compatibility with a variety of databases will enable us to develop different

In order to ensure data security, the data needs to be backed up regularly. There are a number of ways to backup, and the effect is different. Once there is an error in the data in the database, you need to use the backed-up data for restore

This article mainly introduces the mysqldump command for importing and exporting database methods and instance summary. if you need it, refer to the usage of mysqldump command. 1. export all databases System command