MySQL

ERROR 2002 (HY000): Can ' t connect to local MySQL server through socket '/tmp/ Mysql.sock ' (111)1, [[email protected] ~]# Find/-name Mysql.sock/var/lib/mysql/mysql.sockTo create a symbolic connection:Ln-s/var/lib/mysql/mysql.sock/tmp/mysql.sock2,

Tag: des io works with AR sp art on ampRecord within 24 hours (i.e. 86,400 seconds)$sql = "SELECT Video_id,count (ID) as n from ' Rec_down ' WHERE Unix_timestamp (now ())-unix_timestamp (add_time) $sql = "Select A.ID,A.TITLE,B.N from Video_info A, ("

Mysql> Create TableT_cosler ( -F_pyChar Primary Key, -CbeginSMALLINTUNSIGNED not NULL, -CendSMALLINTUNSIGNED not NULL - ); Query OK,0Rows Affected (0.09sec) MySQL> Insert intoT_coslerValues -('A',0xb0a1,0xb0c4), -('B',0xb0c5,0xb2

Given a "point address" (such as 127.0.0.1) for a network address as a string, returns an integer representing the value of the address. The address can be either a 4 or a 8-bit address.mysql> SELECT Inet_aton (' 209.207.224.40 ');3520061480The

Environment: There are two sets of MySQL master and slave (A and B), now requires a set of MySQL from the library to restore to the B set of MySQL Master library and from the library. The execution process is as follows: First, a set of

To view User rights:SELECT Host,user,password,grant_priv,super_priv from Mysql.user;Permissions depend on the value of the last recordIf you need to reclaim permissions:REVOKE all privileges on * * from ' root ' @ ' ip1 ';The above SQL will place

1 Viewing the default and supported storage enginesMysql->show engines;2 View MySQL's current default storage engineMysql->show variables like '%storage_engine% ';3 Viewing the storage engine for the test Database buyer tableMysql->show table status

Before the user is very puzzled: The SQL statement is very simple, is the select * from test_1 where user_id=1 this type, and user_id already indexed, how is the query very slow?Table Structure of the test_1:CREATE TABLE ' test_1 ' (' id ' int (one)

(1) Nonsense is not much to say is the use of MySQL database when you can not input Chinese, the input of Chinese after the display is garbled!!(2) Don't say it! Start solving the problem!First step: Find the directory where MySQL is installed to

Ubuntu navicat for MySQL expired issue, Online has said after each expiration, delete./~ the following. navicate/system.reg file, reopen it, and continue to use it for free for one months. I have an error when I open the table after doing so (I

[[Email protected] ~]# service mysqld startStarting MySQL. error! The server quit without updating PID file (/var/lib/mysql/localhost.localdomain.pid).1. may be/usr/local/mysql/data/rekfan.pid file does not have permission to writeWORKAROUND: Give

Today encountered a customer data update problem, two related tables, a main table is used to hold the main information of the document, a sub-table is used to save the document details; Now you want to update the data from one of the fields in the

MySQL transaction does not commit cause lock waits for lock wait timeout exceededJava.lang.Exception:# # # Error updating database. Cause:java.sql.SQLException:Lock wait timeout exceeded; Try restarting transaction# # # The error may involve

MySQL will appear in Chinese garbled reason is the following points:The 1.server itself sets the problem, for example still staying in Latin12.table language setting problem (including character and collation)3. The connection language setting

Create Database Studio;So that you can create a database, and what does he have to forgive?You can see that it creates a folder, so let's go inside and see what's in it.Let's just build a table and go inside, run this create table Nums (X int not

Vi/data/mysql/my.cnfVi/etc/my.cnf1. Basedir ParametersThe original description is:Path to installation directory. All paths is usually resolved relative to this.Explain:This parameter specifies the installation path (MySQL installation directory)

Modify Master First (10.1.123.197) is configured in the MY.CNF[mysqld]The following additions are added to theLog-Bin=Mysql-binLog-Bin-Index=Mysql-Bin.IndexServer-Id= 1Sync_binlog=1Binlog_format=mixed then specifies the database to be synchronized

GoalHow to create a function in the MySQL databaseGrammarCREATE FUNCTION func_name ([func_parameter])//parentheses are required, parameters are optional returns type[characteristic ...] routine_body The CREATE function keyword used for

/** * Centos-6.4-minimal version of the source installation MySQL-5.5.38 *---------------------------------------------------------------------- ------------------------------------------------* Three ways to install * 1) Source installation * 2)

--- 1067 system error when installing MySQL in win732-Bit mode --- Problem and Solution Every time you install a database, such a problem always occurs. Now record it for future reference .... Download the decompressed-zip version. For installation