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2. MySQL - Wikipedia

   en.wikipedia.org/wiki/MySQL

   MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.

3. Write-ahead logging - Wikipedia

   en.wikipedia.org/wiki/Write-ahead_logging

   A write ahead log is an append-only auxiliary disk-resident structure used for crash and transaction recovery. The changes are first recorded in the log, which must be written to stable storage, before the changes are written to the database. [2] The main functionality of a write-ahead log can be summarized as: [3]

4. Rollback (data management) - Wikipedia

   en.wikipedia.org/wiki/Rollback_(data_management)

   SQL refers to Structured Query Language, a kind of language used to access, update and manipulate database. In SQL, ROLLBACK is a command that causes all data changes since the last START TRANSACTION or BEGIN to be discarded by the relational database management systems (RDBMS), so that the state of the data is "rolled back" to the way it was before those changes were made.

5. Redo log - Wikipedia

   en.wikipedia.org/wiki/Redo_log

   The RDBMS first writes all changes included in the transaction into the log buffer in the System Global Area (SGA). Using memory in this way for the initial capture aims to reduce disk IO. Of course, when a transaction commits, the redo log buffer must be flushed to disk, because otherwise the recovery for that commit could not be guaranteed.

6. MariaDB - Wikipedia

   en.wikipedia.org/wiki/MariaDB

   MariaDB is a community-developed, commercially supported fork of the MySQL relational database management system (RDBMS), intended to remain free and open-source software under the GNU General Public License.

7. Outline of MySQL - Wikipedia

   en.wikipedia.org/wiki/Outline_of_MySQL

   Drizzle – free software/open source relational database management system (DBMS) that was forked from the now-defunct 6.0 development branch of the MySQL DBMS. [ 13 ] MariaDB is a community-developed fork of MySQL intended to remain free under the GNU GPL, being led by the original developers of MySQL, who forked it due to concerns over its ...