Migrate the collection data in MongoDB to the MySQL database
1. Export data on mongodb and write expmongo. sh. The shell script is as follows:
#! /Bin/shDatestr = 'date' + % Y-% m-% d''/Usr/local/mongodb/mongodb-linux-x86_64-2.4.4/bin/export-im_user-pxxxeedd-d im-c message-f txnType, issNo, sn, merchantorder, paymentType, paymentTime, authNo, expDate, cardNo, amount, batchNo, refNo, merchantName, voucher, a
So I decided to migrate all my servers from MySQL to MariaDB.
It is easy for Arch users to follow the official news:
systemctlstopmysqld
pacman-Smariadblibmariadbclientmariadb-clients
systemctlstartmysqld
mysql_upgrade-p
OpenSUSE is even dumb. After all, it is the default: zypper in mariadb is enough.
Debian/Ubuntu users are a little more complicated, but the entire process is still smooth:
Fir
How to migrate a local MySQL database to a remote server
Using Dedecms to do a female website, is the imitation of the woman net of Alice. In order to test in the local, it is necessary to add category columns, in order to see the home page and the effect of the list pages, but also in the online collection of a large number of various categories of content. So down dozens of columns per column dozens of i
How to migrate data from Microsoft SQL Server 7.0 to MySQLZhbforceI think everyone is fond of Word typing, Excel computing and planning, and PowerPoint slides ..., However, this only applies to a few functions of Office products. According to the survey, most users only use 20% of the functions of Office products, and few people have noticed Visual Basic for Application. In fact, being familiar with the functions of VBA can help you get twice the resu
The company's data center plans to migrate a massive amount of data and add a certain time field (originally datatime type, now added a date type). The data volume in a single table reaches more than 0.6 billion records, the data is based on the time (month). Due to the busy schedule, the summary has not been made, so I cannot remember the details. Here I will simply summarize the situation at that time and forget it.
Chaos
When a task is initially re
MySQL database installed successfully, but found in the MySQL installation directory of the data directory does not have a new database? So how do you find the real data directory? Below the 3A network small money to teach you today how to find the real data directory and migrated out. (Welcome you crossing more to communicate with younger brother, the younger brother Buckle: Qi One II three of the 0 II)Fin
MySQL database installed successfully, but found in the MySQL installation directory of the data directory does not have a new database? So how do you find the real data directory? Below the 3A network small money to teach you today how to find the real data directory and migrated out. (Welcome you crossing more to communicate with younger brother, the younger brother Buckle: Qi One II three of the 0 II)Fin
Label:First, turn on the Mys remote access function 1. Enter the server input Netstat-an | grep 3306 confirms that 3306 is open to the outside, MySQL default state is not open access function. If the port is not open after entering the above command, it will be displayed 2, from the above results can be seen, MySQL 3306 port is only listening to local connections, which prevents external IP access to the d
Tags: mysql data movementThe system adds a hard disk, mounts the new partition to the/data directory, and the MySQL data file directory is/var/lib/mysql1. Stop MySQL Service[[Email protected]~]# service MySQL StopShuttingdown MySQL ... success![[Email protected]~]#2. Move th
1, write their own procedures, the method is relatively troublesome, but relatively flexible processing, if the conversion of data to be processed, using this method is more appropriate, this method is not suitable for large data migration, not only inefficient, but also need more memory;2, through BCP export TXT or CSV format, and then import on the MySQL side; This method can only process one table at a time, but can be written as batch processing,
mysql|server| data How to migrate data from Microsoft SQL Server 7.0 to MySQL
Zhbforce
Presumably everyone likes to use Word typing, computing and planning with Excel, PowerPoint slides to show ..., but this only uses a small part of the Office family of products. According to the survey, most users use only 20% of the functionality of Office products, and few p
' (' ID ')int( One)DEFAULT NULL, ' AA 'varchar( -)DEFAULT NULL, ' BB 'varchar( -)DEFAULT NULL, ' CC 'varchar( -)DEFAULT NULL, ) ENGINE=InnoDBDEFAULTCHARSET=UTF8MB4;3. Delete the table space for the target tableAlter table test_tb2 discard tablespace;At this point the TEST_TB2 table of the target library is near the data definition file, and the tablespace file is deleted4. Copy the IDB file from the Source library5. Modify table Space file permissions6. The target table imports Tablespace data
variables to implement specific aggregate functions, you will find that Oracle has built-in functions to support these functions. (in Oracle, you can apply dbms_session in the package to set context to implement user variables ).
47. Oracle does not distinguish the TIME and DATE types. Oracle's Date type is actually a DATETIME type (but it supports a larger DATE
/connector/odbc/5.2.html#downloads) download ODBC-5.2.5 based on your OS, this example selects the 64-bit tar version:[Plain]View Plaincopy print?
$ wget http://dev.mysql.com/get/Downloads/Connector-ODBC/5.2/ mysql-connector-odbc-5.2.5-linux-glibc2.5-x86-64bit.tar.gz/from/http://cdn.mysql.com/
$ TAR-ZXVF mysql-connector-odbc-5.2.5-linux-glibc2.5-x86-64bit.tar.gz
After the decompression is
DATE range than MySQL ).
48. compared with MySQL, Oracle has much better stored procedures and trigger functions and performance. do not use them habitually.
49. if you need to write a stored procedure in Oracle, remember to spend some time before coding to see if Oracle ha
much better stored procedures and trigger functions and performance. Do not use them habitually.
49. if you need to write a stored procedure in Oracle, remember to spend some time before coding to see if Oracle has a corresponding built-in package. you will find that most of the problems have been solved, or at least a large amount of basic code is already there.
50 if you use BLOB or TEXT in
supports a larger date range than MySQL ).
48. Compared with MySQL, Oracle has much better stored procedures and trigger functions and performance. Do not use them habitually.
49. if you need to write a stored procedure in Oracle, remember to spend some time before coding to see if
Mysql and oracle batch processing run SQL file and oracle import dmp file bitsCN.com
Mysql and oracle batch processing run SQL files and oracle import dmp files
Mysql batch run SQL
why migrate?
First of all, from the operational cost considerations, with MySQL can save a lot of money. On the other hand, the stability and function of MySQL are constantly improved and enhanced, which can basically meet the needs of customers, such as support multi-node deployment, data partitioning and so on. And MySQL
ConnectionAfter you add a third-party driver for MySQL, the configuration entries for MySQL appear in the New Connection page.5. Associated Migration Data ArchiveThe migration repository needs to be associated before the database is executed, as follows:Installation process:Many tables are added to the newly created Oracle Database after association:6. Porting
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