how to set session

Data Backup TypeBy Business division: can be divided into full backup, incremental backup, differential backup.Full Backup : The data and data structure of the whole database is backed up, the benefit is very intuitive, easy to be understood.

1. Environmental descriptionPurpose: When BINLOG-DO-DB is set in the database, it is in a different binlog_format=statement | Row | Mixed under the binlog of the write effect, this in the master-slave replication will have some pits, because the

MySQL log-records operations and information during MySQL database operationLog role(1) When the database has been accidentally damaged, you can query the cause of the error through the log file.(2) Using log files for data recoveryLog

Pg_dumpNamePg_dump -- extract a PostgreSQL database to a script file or other archive files.SynopsisPg_dump [options...] [dbname] DescriptionPg_dump is a tool that saves a PostgreSQL database to a script or archive file. the script file is in plain

Mysql master-slave replication, mysql master-slave Master-slave replication: There are two ways to start master-slave replication from MySQL5.6: Log-based (binlog); GTID-based (global transaction identifier ); 1. Log-based master-slave replication

Mysql database master-slave experience management mysql master-slave for more than two years, management of more than 200 groups of mysql master-slave, involving almost all versions of master-slave, this blog is summative, part of which is from the

The isolation mechanism of a transaction means: READ UNCOMMITTED (reading uncommitted content)Read Committed (reading submissions)Repeatable Read (Reread)Serializable (Serializable) The most classic MySQL book, "High Performance MySQL (3rd edition)",

web| Printing | Print Report | solve ' = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = ' Generate reports directly from the ADO recordset ' = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = ' Concept ' ' This

Timeout-related parameter parsing in MySQL bitsCN.com Preface: MySQL has two configuration items about connection timeout. They inherit from each other under certain conditions. under what circumstances will these two parameters take effect?

First, the MySQL environment introduction:The MySQL database specifies the character set bit UTF8, and the table's character set is UTF8, while MySQL will turn on the Bin-log log for row mode/ETC/MY.CNF file Character Set parameter

MySQL transaction processing simply describes the transaction:MySQL transaction is mainly used to deal with large-scale and high-complexity data.For example, in the Personnel Management system, you delete a person, you need to delete the basic

/usr/local/mysql/bin/mysqlbinlog-vv/var/lib/bin/mysql-bin.000008 --base64-output=decode-rows - -start-pos=307Question: What exactly does this mean?[Email protected]

Mysql concurrent processing mechanism-part 1 and part 1Back to write a blog, django was fascinated by the Front-End Time If it is reprinted, please indicate the source of the blog: www.cnblogs.com/xinysu/. The copyright belongs to xiaoradish in the

In mysqlbinlog, the event -- hexdump is interpreted in the binlog file. Sometimes the standard time that is printed out is not enough to determine a problem. Sometimes there is a special number, you cannot understand the meaning of the specific

Lvm-snapshot: Attention and Please for LVM snapshot-based backup! The beginning 3. LVM-based snapshot backup Lvm-snapshot: LVM-based snapshot backup (1) transaction logs and data files must be on the same volume; (2) before creating a snapshot

Use the Contents collection to save session information 1. The Contents collection is a set of variables defined in an ASP application using the Session object. These variables are scoped to the user layer and are available throughout the ASP

mysqldump Consistent snapshot backup processVersion: 5.7.17-log MySQL Community Server (GPL)Parameters:--master-data=2--single-transaction FLUSH/!40101 LOCAL /TABLES Brush disk, Fsync the memory data to the disk FLUSH TABLES

12. mysqlsql_mode 1. in general, SQL _mode is empty by default, that is, the SQL check is not strict. 2. if SQL _mode is null, test: create table tt3 (name char (2 )); // define a tt3 table with the name field length of 2 to insert into tt3 values

The application of Sphinx Chinese word segmentation in discuz.Sphinx-for-chinese is a full-text retrieval software focused on Chinese search, adding Chinese processing modules and optimizing Chinese search results on the basis of Sphinx. In

The error message for a session is very simple. who can explain it (! ) Notice: A session had already been started-ignoring session_start () in D: \ php2 \ wamp \ www \ shop \ top. php on line 2 Call Stack # Time Memory Function Location 1 0.0010 177