| compare performance [message #649364] |
Wed, 23 March 2016 12:27  |
desmond30
Messages: 41
Registered: November 2009
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Member |
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I am trying to check performance of sql in a view, after removing a hint to check how long it takes,
i am using toad 11.6, what is the best way to test this ? lets assume myview has 10,000 rows.
example: i say select * from myview....the initial results come in 10 seconds (say 85 rows), but in toad we can choose to go until the last record (scroll until last record), and if my query returns 10,000 rows, so what time should I capture to know exactly how long it takes ?
10 seconds ? or wait until the last row is seen when i press scroll down ?
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| Re: compare performance [message #649366 is a reply to message #649365] |
Wed, 23 March 2016 12:34  |
desmond30
Messages: 41
Registered: November 2009
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Member |
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i want to see all records, and see how long it takes..just wanted to ask if i select scroll down option, then count the time it takes until it displays the last row, if this is the right way to capture the time taken or not ?
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| Re: compare performance [message #649367 is a reply to message #649366] |
Wed, 23 March 2016 12:40 |
John Watson
Messages: 8938
Registered: January 2010
Location: Global Village
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Senior Member |
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I don't use TOAD. In SQL*Plus, I would do this:
set timing on
set autotrace traceonly
select .....
I would hope that TOAD has equivalent functionality. You need the traceonly facility to suppress the display of the rows (please don't say "record" when you men "row") which will distort the timing and be different for every client.
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| Re: compare performance [message #649377 is a reply to message #649375] |
Wed, 23 March 2016 13:51 |
desmond30
Messages: 41
Registered: November 2009
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Member |
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Thanks to everyone who replied ! I agree, and I can see that
1. set timing on and set autotrace traceonly gives me how long the query takes to give the result
by actually executing the query, and not printing the output. perfect !!
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