How do I archive data in mySQL?
As of now I do this: Create the Archive Database and table. Insert into ArchiveDB. table select * from old_tbl where datetime <= Archivedate….I want to implement this with the following conditions:
- Insert and delete via batches.
- Reclaim the space after deleting from the old database.
- Update stats without downtime.
How do I create an archive table in mySQL?
Making an archive table from the main table allows you to truncate the main table for faster queries.
- Create the Archive Table.
- Dump the Data into the Archive Table.
- Dump the Data into a SQL file.
- Test the Archive Table.
- Test the Archive File.
- Empty the Original Table.
- Load an Archive Table Back Into the Original Table.
How do you archive a database?
Archive now Select Database | Manage Database Backup and Restore. In the upper right Databases pane, select the full STORAGE database you wish to archive. The database must have reached its maximum size, and a new database must be started. Right-click the STORAGE database and select Archive.
What is archive as storage engine in mySQL?
The ARCHIVE storage engine produces special-purpose tables that store large amounts of unindexed data in a very small footprint. Backup/point-in-time recovery (Implemented in the server, rather than in the storage engine.) Yes (Implemented in the server via encryption functions.)
What is archive engine?
The ARCHIVE storage engine is a storage engine that uses gzip to compress rows. It is mainly used for storing large amounts of data, without indexes, with only a very small footprint. A table using the ARCHIVE storage engine is stored in two files on disk.
How do I archive data in a table?
Procedure
- Create a table with the same columns as the table for which you want to archive data.
- Designate the original table as an archive-enabled table by issuing an ALTER TABLE statement with the ENABLE ARCHIVE clause.
- If you want rows to be automatically archived, set the built-in global variable SYSIBMADM.
What is archive storage engine?
What is data archiving in SQL?
When we need to archive data, we migrate data in the form of inserts and deletes from these databases to another database where we store historic data. If a user needs to access historic data, the queries run against this historic environment.
What is archive data base?
Data archiving is the practice of identifying data that is no longer active and moving it out of production systems into long-term storage systems. Archival data is stored so that at any time it can be brought back into service.
What is PT-Archiver?
DESCRIPTION. pt-archiver is the tool I use to archive tables as described in http://tinyurl.com/mysql-archiving. The goal is a low-impact, forward-only job to nibble old data out of the table without impacting OLTP queries much. You can insert the data into another table, which need not be on the same server.
What is the architecture of MySQL?
Architecture of MYSQL describes the relation among the different components of MYSQL System. MYSQL follow Client-Server Architecture. It is designed so that end user that is Clients can access the resources from Computer that is server using various networking services.