In the last episode (Jan 25), Michael Collins said: > At 11:32 AM -0600 1/25/02, Dan Nelson wrote: > >Why would the MySQL TODO mention an MS SQL feature? :) > > Because the MySQL team wants to add a feature that is found in > another DBMS?
According to the Mysql manual, the bit type was added in 3.21.12. > >OK, so it's actually a synonym for tinyint(1). > > I could not find a reference to the synonym in the MySQL > documentation (in the data type section). Under Column Types (http://www.mysql.com/doc/C/o/Column_types.html): `BIT' `BOOL' `CHAR' These three are synonyms for `CHAR(1)'. > Question remains, can one effectively index tinyint(1)? You didn't read the message you replied to :) > > mysql> create table test ( myfield bit primary key ); > > Query OK, 0 rows affected (0.01 sec) > > > > mysql> desc test; > > +---------+------------+------+-----+---------+-------+ > > | Field | Type | Null | Key | Default | Extra | > > +---------+------------+------+-----+---------+-------+ > > | myfield | tinyint(1) | | PRI | 0 | | > > +---------+------------+------+-----+---------+-------+ > > 1 row in set (0.88 sec) Note the describe command shows the field type as tinyint(1), and there is a primary key on the column. -- Dan Nelson [EMAIL PROTECTED] --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
