… | Field | Type | Null | Key | Default | Extra | +———-+——————+——+—–+———+—————-+ | nid | int(10)…maximum length of data actually stored often can tell us if we defined varchar field too wide. Comparing maximum field length to average length…
Post: Innodb row size limitation
April 7, 2011 By 12 Comments
… TEXT, fdisclaimer TEXT, fcopyright TEXT, fstylesheet TEXT, fterms TEXT, PRIMARY KEY (id) ) Engine=InnoDB; Now you insert some test data into… the variable-length columns for a given row on a single database page. Innodb has a limit for the maximum row size… a variable length field, it doesn’t mean you need to be able to store data up to that fields’ maximum allowed…
Post: Recover BLOB fields
July 1, 2010 By 4 Comments
… NOT NULL, `NAME` varchar(120), `N_FIELDS` int(10), PRIMARY KEY (`ID`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 Here COMPACT format is… these are field lengths. Only variable length types have offsets. The offset can be one or two bytes depending on maximum field size… the next page is stored in it. BTR_EXTERN_LEN – length of the next piece. The external pages are linked until…
Post: Paul McCullagh answers your questions about PBXT
November 20, 2009 By 2 Comments
… group of records (not an actual fixed length page). Are there any differences in the …. When I evaluate a storage engine my key acceptance criteria are things like backup, concurrency, … parameters for installations that need to extract maximum performance from the hardware. This work is ongoing…
