MySQL

MySQL Automatic backup Batch command:Set "ymd=%date:~,4%%date:~5,2%%date:~8,2%"Set "hms=%time:~,2%%time:~3,2%%time:~6,2%"Mysqldump-uroot--password=password weixin> D:\mysql_back\weixin_%Ymd%_%hMs%.sqlCommand explanationTo use mysqldump to set

Sample data table: CREATE TABLE Test_bin (bin_id BINARY (+) not NULL) Engine=innodb; Insert data (content is a 32-bit UUID string value): Insert into Test_bin (bin_id) VALUES (Unhex (' fa34e10293cb42848573a4e39937f479 ')), insert into Test_bin (bin_

Must be a coding problem (UTF8 or GBK), but it is not necessarily the SQL file data, SQL file encoding problem, it may be the Import tool (encoding) problemThere are several ways to import MySQL1234SSC Prestige Platform "q:737888396" honor Platform "

MySQL basic Operation 1.mysql table copy MySQL table structure replicationCREATE table t2 like T2Replication of MySQL table dataINSERT INTO T2 select * from t1Operation of the 2.mysql index2.1 Increase of the indexALTER TABLE Tb_name Add index index_

To install the binary source package:1. Download the MySQL installation package from http://www.mysql.com.//This mysql is a binary plate without compiling2. Change permissionschmod 755 mysql-5.0.41-linux-i686-glibc23.tar.gz3. Copy the extracted

Create a databasecreat table Test (#整数通常使用inttest_id int,#小数通常使用decimalTest_price Decimal,#普通文本通常使用, and use default to specify defaultsTest_name varchar (255) Default "Xxx",#大文本类型使用testTest_desc text,#图片使用blobTest_img Blob,#日期类型使用DateTimeTest_date

Related URL:http://willvvv.iteye.com/blog/1563345http://lxneng.iteye.com/blog/451985 This article on the use of variables and status write very well!---------------------------------------------------------Landing-------------------------------------

Article table article (id,title,content)Tag table tag (tid,tag_name)Label Article intermediate table Article_tag (id,tag_id,article_id)There's a label for the TID is 135, I'll check the label Tid is 135 of the article ListWith the following

To export a stored procedure using the mysqldump command[Email protected] sql]# mysqldump-uroot-p-n-d-t-r--all-databases > All.sqlParameter description:-n, --no-create-db  suppress the create database ... if exists  statement that                    

Case: Slave enabled replication filter-replicate-do-db=db1 (row copy mode), specific filtering considerations can refer to my previous Blogmysql replication filtering considerations, execute ALTER TABLE DB1.TB1 add on Master Xxx,slave related TB1

Performance optimization is done by some effective means to improve the speed of MySQL, reduce the amount of disk space occupied. Performance optimizations include many aspects, such as optimizing query speed, optimizing update speed, and optimizing

Mysql-u root-p DatabaseName When the database imports data, MySQL receives the following exception: ERROR 1153 (08s01): Got a packet bigger than ' Max_allowed_packet ' bytes.This is because the default configuration of MySQL is not adjusted, the

Waste a lot of time to solve the installation process problems, it is disgusting, the final conclusion is that most of the error reason is because two times the installation is not clean;?1. Uninstall:???? uninstalling MySQL server!???? Delete the

1. Create a departmental tableCREATE TABLE DEPT1 (ID Int (one) not NULL auto_increment,Name varchar (NOT NULL),Description varchar (100),Primary KEY (ID));2. Create an Employee tableCREATE TABLE EMP1 (ID Int (one) not NULL auto_increment,Name

Due to insufficient disk space in the 'default' file group, a new page cannot be allocated to the database 'tempdb '. After receiving a friend's question today, SQL server reported "unable to allocate a new page for the database 'tempdb' due to

MySQL multi-instance configuration (2) For centralized O & M of MySQL databases, you can deploy multiple MySQL instances on one MySQL database server. This function is implemented through mysqld_multi. Mysqld_multi is used to manage multiple mysqld

Question about using % (percentage) after like in mysql statements Question: Is the more mysql statements use the % (percent sign) after like, the slower the execution efficiency! Total time: 0.0489 seconds 0.0691 0.0485 0.0467 SELECT 'goods _

[Practice]: Synchronize SQL server data to mysql in real time 1. install and install mysqlconnector2. configure mysqlconnectorODBC data Manager-> system DSN-> Add-> mysql ODBC 5.3 ANSI driver-> Fill in data source name such as jt, mysql ip address,

Analysis of different scenarios: Best practices for MySQL upgrade MySQL upgrade is very necessary. We listed a variety of questions about MySQL upgrade best practices on Percona Support. This article recommends some methods to upgrade MySQL in

Mysql3 error modes Injection1. if an error is reported through floor, use the following code and select 1 from (select count (*), concat (version (), floor (rand (0) * 2 )) x from information_schema.tables group by x) a); and (select count (*) from (