mysql data modeling tool

Data dictionary generation tool journey (1): helpful for Generating tools Recently, we found a very low efficiency when doing our company's demand. When creating a table, we need to use our own modeling tools to create a table, copying and pasting a field is unacceptable. So I developed a tool to solve this inefficien

MySQL stress testing tool bitsCN.com MySQL stress testing tool mysqlslap -- create-schema = example -- query = "SELECT * FROM group_message force index (group_message_author_subject) WHERE author = '3' subject LIKE 'weiurazs % '"-- iterations = 10000 the Test table needs to be generated during the test process and the

assumption that the average value is the best predictor can be avoided, and the simple linear model can be assured that the data is well matched. (For more information on calculating the probability of T statistics, see part 1th.) ） Go back and discuss the statistical decision-making process. It tells you when not to take an invalid hypothesis, but does not tell you whether to accept the optional hypothesis. In the research environment, it is necess

成一个时间文件夹, if this is 2012-7-20_15-57-44.Then, Xtrabackup does an incremental backup: INNOBACKUPEX-1.5.1--DEFAULTS-FILE=/ETC/MY.CNF--incremental--incremental-basedir=/www/backup/full/2012-7-20_ 15-57-44//WWW/BACKUP/INC/1 Recovery:First stop the database, back up the binary log (if any), and then delete all the database files under the database directory.Cd/www/mysqldataRM-RF * # Delete all files in the data directoryRestore full-scale bac

/8493658Tcpdump: Grab Bag toolReference: http://www.cnblogs.com/ggjucheng/archive/2012/01/14/2322659.htmlPerf: Starting from the 2.6.31 kernel, the Linux kernel has its own performance analysis tool perf, which can be used for the function-level and instruction-level hotspot lookup for software performance analysis.Pt-stalk: Collect MySQL data for diagnostics whe

MySQL's first backup tool mysqldump, we have talked to you in the last article, if you still have doubts, please click MysqldumpMySQL's second backup tool LVM snapshot, so today we'll talk about it. LVM Snapshot Volume Win BeiMysqldump is able to implement hot standby for InnoDB storage engine, but it can't implement hot standby for MyISAM engine;And today we're going to introduce LVM to achieve almost hot

| NULL | Select A.* from article as a INNER join (select A.aid from article as a INNER join (select CID from || 3226 | Root | % | T_girl | Query | 0 | NULL | Select A.* from article as a INNER join (select A.aid from article as a INNER join (select CID from |+------+------+--------------------+--------------------+---------+-------+--------------------+--------------- ---------------------------------------------------------------------------------------+Rows in Set (0.00 sec) The test stateme