Optimization_goal = 'Response-time'

After converting a client's database from ASA 9.0.2 to SA 12.0.1 I checked the value of the database option "optimization_goal" and found 'Response-time'.

What will SA 12 do if the database option "optimization_goal" is set to this value? Will it be treated as if it was "First-row"?

optimizer sa-12 option

asked 09 Jun '11, 10:18

Reimer Pods
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accept rate: 11%

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Well, when you use

set option optimization_goal = 'Response-time'

against a v12.0.1 database, the value is shown as 'First-row'.

So it might be an (undocumented?) synonym for "First-row".

Leaving the question why your new (and old?) database has stored that value...

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answered 09 Jun '11, 10:33

Volker Barth
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edited 09 Jun '11, 10:35

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Question tags:

sa-12 ×438
optimizer ×28
option ×15

question asked: 09 Jun '11, 10:18

question was seen: 2,246 times

last updated: 09 Jun '11, 10:35

SAP SQL Anywhere

Optimization_goal = 'Response-time'

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