mysql to cassandra migration

Database migration (SQL Server imports data to MySql) Background: At the beginning of the project, the SQL Server database is used, and the database needs to be adjusted to MySQL. I collected some tutorials on the Internet and sorted out a simple and convenient way to share them with you. 1. Go to the mysql official w

Wordpress migration and problems [mysql backup Import and Export] [Fixed Link 404] And wordpress404 There are two general problems: apache configuration and mysql export and import. And some problems and solutions encountered after migration. Machine A is the old server, machine B is the new server, machine A uses App

Tags: ret multi replicat OBA expr ... gre RoCE namesBefore the article mainly introduced the Oracle migration to MySQL, mainly is the original table original structure migration, but in the actual operation dimension will find, after MySQL needs to divide the library and the table split operation, this time, uses the O

Tags: simple recordDue to the expansion of the business and the requirements of the customer, the company needs to migrate the data originally running on MySQL to Oracle.The first few years of work have been short-lived, but infrequently used, and the initial impressions are running out.This article mainly records in the database migration process, encountered the related problem solution. The main focus is

A Stored Procedure for mysql data migration. A Stored Procedure for mysql data migration. The Code is as follows: DELIMITER $ USE 'servant _ 591up' $ Drop procedure if exists 'SP _ move_data '$ Create procedure 'SP _ move_data '() BEGIN DECLARE v_exit int default 0; DECLARE v_spid BIGINT; DECLARE v_id BIGINT; DECLARE

A. SceneThe migration of data from the previous old project to the new project involves a summary of the table data migration.Two. ExampleThere are three 22 associated tables that need to be combined into a table to import a new project, and at the very beginning, I was exporting three tables of data in Excel, using the VLOOKUP function in Excel to merge three tables into one, and then inserting SQL INSERT statements in Excel. Copied to

Machine execution NBSP; NBSP;MYSQL-UROOT-P–DEFAULT-CHARACTER-SET=UTF8NBSP; MYTABLENBSP;NBSP; mytable.sql In advance to create a good mytable library on the B machine, note that the database encoding to be consistent with the originalThis problem often occurs when you use Navicat to back up a restore. It's probably the reason for the coding.After WordPress migration, if the appearance of the homepag

Tags: master dir ida System data disk indicates configuration BSP stopThe recently-online system has newly hung a disk, and the MySQL data directory under the system disk needs to be migrated to the data disk.After some investigation, MySQL used the precompiled binary tar.gz package when it was installed. There are two DATADIR properties configured/etc/init.d/mysqld and/ETC/MY.CNFFirst step cleanup Bin-logS

Microsoft introduced a new tool to help MySQL users migrate their data to Microsoft's SQL Server database. This tool is called the SQL Server migration assistant (SSMA ). The future of MySQL was unknown due to the Oracle-SUN purchase case. Microsoft launched a database migration tool to seize

A simple and fast migration of MySQL data to Redis and stored in hash, data storage needs to comply with Redis Communication protocol (official connection Http://redis.io/topics/mass-insert),Such as:CR LF//three fields$ CR LF//First field ' Set ' has 3 bytesSet CR LF//field content set$4 CR LF//second field Key1 has 4 bytesKey1 CR LF//Field two content MyKey$4 CR LF//The third field has 4 bytesVal1 CR LF//F

Tags: io ar data on CTI EF time as SQLThe scenario is to import data from MySQL into the hash structure of Redis. Of course, the most straightforward way to do this is to iterate through MySQL data and write a single piece to Redis. There may be nothing wrong with this, but the speed is very slow. It may be much easier to make the MySQL query output data directly

First, the principle:Only the table structure and data are migrated, and stored procedures, functions, triggers are rewritten as much as possible and fully tested.Before migrating, set up some parameters of the database, such as default storage engine, default encoding, etc., to facilitate subsequent import.second, the method:1. Using MySQL WorkbenchMySQL Workbench provides the migration Wizard (Database

directly migrated to MySQL method, may be knowledge is not enough, want to have to know the reader, in the bottom of the message, thank you, a lot of exchanges, and common progress.We use the MySQL visual tool---Navicat, we can download Baidu.And then as the operationHere, the next step may be to show the error message of the connection failure, which probably our MySQ