mysql data modeling tool

Recently, I worked with a bunch of old clients and they let them take the time to tell them about the new tools they used in their new environment. One of the very useful tools that I found was schemaspy. Schemaspy is a Java-developed tool (requiring support from Java 5 or later), primarily to analyze metadata for data models in a database, and to generate browser-based visualization. Click to understand t

;d:\wcnc_db.sql - D No data--add-drop-table add a drop table before each create statement4. Import the databaseCommon source CommandsGo to MySQL Database console,such as Mysql-u root-pMysql>use Databasethen use the source command, followed by the script file (for example, the. SQL used here)Mysql>source D:\wcnc_db.sqlM

-checksum is a tool provided by percona to verify master-slave data consistency. We direct the tool to the master database and report the result from the database to us, when inconsistency is captured, a non-zero result is returned. However, he can only find data inconsistencies. To fix

PDF. NET data development framework is a lightweight rapid data development framework, it has ibatis similar to the SQL-MAP characteristics and hibernate ORM persistence characteristics, but do not use reflection, the entire process is almost no complex configuration, it is ideal for beginners and prawns. The entire framework provides core class libraries, CodeGenerate tools and integrated management tools

Mysqlhotcopy hot backup tool experience and summary bitsCN.com Today, I am free to try MYSQLHOTCOPY, a tool for fast hot backup of the MYISAM engine.(This article is for a single server and will be added to multiple server operations in the future)Comparison between him and MYSQLDUMP:1. the former is a COPY in the sense of a quick file, and the latter is a collection of SQL statements at the Database end.2.

the resources consumed by the query statement that QUERY_ID is 6+----------------------+----------+| Status | Duration |+----------------------+----------+| Starting | 0.000058 || Checking Permissions | 0.000007 || Opening Tables | 0.000020 || init | 0.000015 || System Lock | 0.000010 || Optimizing | 0.000004 || Statistics | 0.000012 || Preparing | 0.000011 || Executing | 0.000002 || Sending Data | 0.000037 || End | 0.000004 || Query End | 0.000007 |

Pt-Online-schema-change of MySQL online DDL Tool MySQL DDL:DDL is a feature that makes all MySQL ddbas criticized, because in MySQL, when dDDL is performed on a table, it locks the table. When the table is small, such as less than 1 W rows, it has little impact on the front-

receiving servers is the decoupling of the acquisition and storage tiers, which in addition to the HBase storage supports MySQL storage. In addition, for different data sources, the receiving server can also support the acquisition of JMX monitoring data.Fig. 3 The whole structure of the secret mirrorData is always useful, not just for monitoring. At present, we have made a certain encapsulation of the bas

Convert an Access data table to a mysql data table bitsCN.com There are many methods to convert an Access data table to a mysql data table and search for it online. However, my method seems extremely simple. Export an excel file

Tags: button problem field position operation graphics COM logs throughYou can graphically import data through the tool SQLyog. 1. Prepare Excel table 2. Import Excel tabular data into the MySQL database (1) Open the prepared Excel table and choose save format as csv. (2) If a Chinese character is present in the pre

add environment variables, and then quickly open cygwin: Run> minitty, then list the current directory: pwd. The directory is/cygdrive/c/Users/myhome) The third command: knowing the directory structure, you only need to find the file you want to open, as shown below: more/cygdrive/c/Users/Desktop/binlog.20.33, then, the screen is fully blurred. Fourth command: since Linux is used, awk must be used as a powerful text processing tool, as shown below: m

Today, mysqldump is used online to import data tables from one database to another. The export speed is very slow. So I searched the internet and found this stuff. After the test, I found it was good. I will share it with you. Brief IntroductionMydumper is a multi-threaded export and import tool written in C language, and can ensure consistency between multiple tables. of course, the more threads, the bette

Mysqlsla is hackmysql.com launched a MySQL log analysis tool, the function is very powerful. Data reports are very useful for analyzing the causes of slow queries, including execution frequency, data volume, query consumption, etc. First, use Mysqlsla-lt Slow Mysql-slow.lo

actual index used. If NULL, the index is not used. Key_len: The length of the index used. The shorter the length the better, without loss of accuracy Ref: Shows which column of the index is being used and, if possible, a constant Rows:mysql the number of rows that must be checked to return the requested data Extra: The return value to note (extended column) Using Filesort: When you see this, the query needs to be optimized.

Tags: com common load Test-shared operation compression ARC ring hostMysqlslap is the official stress testing tool from the beginning of MySQL version 5.1.4. stress testing is performed by simulating multiple concurrent clients accessing MySQL concurrently, providing a detailed performance report of SQL execution data,

Tags: database xtrabackupMysql Backup There are many ways, the most commonly used should be mysqldump , the database is exported to a SQL file, restore the source Db.sql on the cheerful execution. Small partner Happy cloth on a shell script, with Cron, happy to look at the daily backup file generation, feel secure. What if a mysql exceeds 10G ? Please believe me, the export time takes several hours, then restore it, time will be longer. I used to res

Tags: mysql monitor pmmPMM is a monitoring and management platform provided by Percona company for MySQL and MongoDB. PMM has two components PMM client and PMM ServerPMM Client: Installed in each database host that needs to be monitored, including the following tools . PMM-ADMIN:PMM client Tools for adding or removing database instances that need to be monitored. Percona-qan-agent: Used to collect databas

/wKiom1ljaimj7piCAAEPY5NnT_4034.png-wh_500x0-wm_ 3-wmp_4-s_1770430754.png "title=" 01.png "alt=" Wkiom1ljaimj7picaaepy5nnt_4034.png-wh_50 "/>The xtrabackup consists of two main tools:Xtrabackup: is a tool for hot backup InnoDB, xtradb data in tables, supports online hot backup, can back up innodb data table without lock, but this

("Com.mysql.jdbc.Driver");} catch (ClassNotFoundException e) {throw new Exceptionininitializererror (e);}}public static Connection getconnection () throws SQLException {Return drivermanager.getconnection (URL, user, password);}public static void Free (ResultSet rs, Statement St, Connection conn) {try {if (rs! = null)Rs.close ();} catch (SQLException e) {E.printstacktrace ();} finally {try {if (st! = NULL)St.close ();} catch (SQLException e) {E.printstacktrace ();} finally {IF (conn! = null)try

Tags: mysql backup tool mysqlhotcopyMysqlhotcopy Use the lock tables, flush tables, and CP or SCP to quickly back up the database. It is the fastest way to back up a database or a single table, completely physical, but only for backup MyISAM storage engines and running in the database directory on the machine. Unlike mysqldump backups, mysqldump is a logical backup, which is a SQL statement executed at back