This document discusses some idiosyncrasies in MySQL that can cause issues if not properly understood. It covers three main topics:
1. Data integrity - MySQL does not enforce data integrity by default like other RDBMS. Values outside ranges are inserted with warnings instead of errors. Settings like STRICT_ALL_TABLES can help enforce integrity.
2. Transactions - Non-transactional storage engines like MyISAM do not support transactions fully. Changes may not roll back as expected. InnoDB is recommended.
3. Variable scope - Changing global variables like storage_engine does not affect existing tables. New tables will still use prior default unless DB is restarted. Variable changes only affect new connections.
This short document contains a list of 6 random words: mop, log, pot, bag, peg, and top. No other context or meaning is provided for these words as they appear to be listed without any connection or theme between them.
This document discusses some idiosyncrasies in MySQL that can cause issues if not properly understood. It covers three main topics:
1. Data integrity - MySQL does not enforce data integrity by default like other RDBMS. Values outside ranges are inserted with warnings instead of errors. Settings like STRICT_ALL_TABLES can help enforce integrity.
2. Transactions - Non-transactional storage engines like MyISAM do not support transactions fully. Changes may not roll back as expected. InnoDB is recommended.
3. Variable scope - Changing global variables like storage_engine does not affect existing tables. New tables will still use prior default unless DB is restarted. Variable changes only affect new connections.
This short document contains a list of 6 random words: mop, log, pot, bag, peg, and top. No other context or meaning is provided for these words as they appear to be listed without any connection or theme between them.