Re: [SQL] reply to setting
Kenneth Gonsalves <[EMAIL PROTECTED]> writes: > any reason why the default reply-to on this list should not be set to the > list? I keep replying to postings only to find later that the reply goes to > the OP and not to the list. reply-all button results in needless duplication It works fine for the rest of us. Fix your mail software. regards, tom lane ---(end of broadcast)--- TIP 7: don't forget to increase your free space map settings
Re: [SQL] surrogate key or not?
On Sat, 2004-08-07 at 05:00, Kenneth Gonsalves wrote: > why shouldnt the primary key change? the only key that should never change is > a key that is used as a foreign key in another table. In a table like this: > > id serial unique > name varchar primary key > > name may change - id will never change. id is used as the foreign key It can change if you use ON UPDATE CASCADE in the foreign key definitions. -- Oliver Elphick [EMAIL PROTECTED] Isle of Wight http://www.lfix.co.uk/oliver GPG: 1024D/A54310EA 92C8 39E7 280E 3631 3F0E 1EC0 5664 7A2F A543 10EA "Be still before the LORD and wait patiently for him; do not fret when men succeed in their ways, when they carry out their wicked schemes." Psalms 37:7 ---(end of broadcast)--- TIP 4: Don't 'kill -9' the postmaster
Re: [SQL] surrogate key or not?
On Sunday 08 August 2004 06:36 am, Oliver Elphick wrote: > On Sat, 2004-08-07 at 05:00, Kenneth Gonsalves wrote: > > why shouldnt the primary key change? the only key that should never > > change is a key that is used as a foreign key in another table. In a > > table like this: > > > > id serial unique > > name varchar primary key > > > > name may change - id will never change. id is used as the foreign key > > It can change if you use ON UPDATE CASCADE in the foreign key > definitions. but why would anyone want to change the value of an autogenerated serial row? -- regards kg http://www.onlineindianhotels.net - fastest hotel search website in the world http://www.ootygolfclub.org ---(end of broadcast)--- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
