load data infile

This profile is for Dell R710, dual Xeon E5620, and 16G memory hardware configurations. CentOS 5.6 64-bit system, MySQL 5.5.x stable version. For sites with daily IP 50-100W,PV 100-300w, use the InnoDB storage engine primarily. Other application

————————————————————————————————————————Add Permissions:The only Priv_type values can specify for a table is SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, GRANT OPTION, INDE X, and ALTER."FILE" is only assigned as a GLOBAL permission"The execution,

# The following options will be read by the MySQL client app.Note Only the client application included with MySQL guarantees that this content can be read.# If you want your own MySQL application get these values.# These options need to be specified

Test the code in Windows environment:ImportJava.io.File;Importjava.io.FileNotFoundException;ImportJava.io.FileWriter;Importjava.io.IOException;ImportJava.io.InputStream;ImportJava.io.PrintWriter;ImportJava.util.Scanner; Public classTesttimer {/**

⒈select. into outfile export data/load data infile Import⑴ Creating a new table, defining the table structureⅠ method One: in the same database① copy table structure and data to a new tableCREATE TABLE newtable SELECT * from oldtable② copy table

SELECT ... A select in the form outfile ' file_name ' can write the selected row to a file. The file is created on the server host, so you must have file permissions to use this syntax. File_name cannot be an original file. An existing file prevents

PS: This profile is for Dell R710, dual Xeon E5620, 16G memory hardware configuration. CentOS 5.6 64-bit system, MySQL 5.5.x stable version. Applies to the day IP 50-100W,PV 100-300w site, mainly uses the InnoDB storage engine. For other application

# This profile for 4G memory, applicable to the day IP 2w, PV 20w site, the main use of InnoDB# The following options will be read by the MySQL client application.# Note Only the client application included with MySQL guarantees that this content

Starting a remote service with the root user has been a security taboo because remote attackers are most likely to gain full control of the host if there is a problem with the service program. MySQL from 3.23.15 editionThis started with a small

Load data data in MySQLmysql> load Data infile '/home/a.txt ' into table table_a;ERROR (HY000): Can ' t get stat of '/home/a.txt ' (errcode:13)We use the perror command to print out specific error messages>perror 13OS error code 13:permission

Transferred from: http://blog.chinaunix.net/uid-23284114-id-3196638.htmlThe MYSQL LOAD Data infile command can import a CSV flat file into a database.Under Linux: LOAD DATA INFILE '/home/test/dump/ip_location.csv ' Into TABLE

Data export1. Use SELECT ... Into OUTFILE ... command to export the data, the syntax is as follows.　　' Target_file ' [option];Where the option parameter can be the following options: Fields teminated by ' string ' (character break)fields [optionally]

mysql-As with Nginx and other features of multi-instance, it is simple to open a server on a number of different service ports (3306,3307) simultaneously run multiple MySQL service processes, these service processes through different sockets

mysql5.5.x Compilation and InstallationDescription: 5.5 and 5.1 Almost, just add a cmake at compile time, the other basic sameCentOS 6 mysql5.5 installation configuration1 Installing the required software2 Installing CMake3 tar.gz form Install MySQL4

usually storage time with datetime type, and now many systems also use int storage time, what difference do they have? Individuals prefer to use int this is good for date calculations, so let's look at the kind of things that would be better. int(1).

On the MySQL server, you can use the load data infile ' file_name ' into table table_name; command to save all the data in a text file to the specified table. Examples of the most sketchy forms:Load data infile ' test.txt ' into table test_table;By

MySQL synchronization is how simple, despise those selfish people, my notes: note. youdao. comshare? Idd70f203ee0407a475fcfa47b62b51500nbsp; technology is the top of the list of friends who need to share information. #################################

Using MYSQL for database backup is also a regular database backup method. It has the same concept as other database servers, but have you ever thought about it, mySQL will have a simpler backup method using the file directory, and it will be faster

The following articles mainly describe how to implement simple and practical MySQL database optimization methods, including how to regularly analyze and check tables and how to optimize tables on a regular basis, the following is a description of

How does mysql optimize insert record speed and mysql optimize insert When a record is inserted, index, Uniqueness check, and the number of records inserted at a time are mainly affected. Based on these conditions, you can optimize the insert