SET OPTION PUBLIC.GLOBAL_DATABASE_ID vs SELECT db_property('GlobalDBID')

1	Simple question -- why is setting the db property use "GLOBAL_DATABASE_ID" but when you need to retrieve it you use GlobalDBID? property asked 22 Feb '13, 02:07 crb 126●3●3●10 accept rate: 0% flat view

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They are technically two different things (an option and a property) and therefore can have two different names (although, AFAIK, in many other cases, the option and the according property share the same name):

"global_database_id" (originally in lower case) is a public database option, and you can set it via SET OPTION and also retrieve it via
```
select * from sysoption where "option" = 'global_database_id';
```
"GlobalDBID" is a database property, and as such, read only, and used with select db_property()
With v9 or v10 and above, there's also a connection property "global_database_id" that's named like the option (and returns the same value - I don't know why it is there, as the option itself is public and therefore applies to all databases users and connections...)

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answered 22 Feb '13, 04:30

Volker Barth
40.2k●361●550●822
accept rate: 34%

edited 22 Feb '13, 04:31

Thanks, Volker.

(08 Mar '13, 12:39) crb

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question asked: 22 Feb '13, 02:07

question was seen: 2,255 times

last updated: 08 Mar '13, 12:39

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SET OPTION PUBLIC.GLOBAL_DATABASE_ID vs SELECT db_property('GlobalDBID')

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