Subject | Re: [firebird-support] Re: Need Speed Optimization for SQL |
---|---|
Author | Vishal Tiwari |
Post date | 2015-04-16T07:53:46Z |
Hi Virgo,
Below are the details:
CRM_JOB_ITEMS Table - Two seperate indexes on independent columns
Index No. 1. FK_JOB,
Index No. 2. PK_JOB_ITEMS
PK_JOB_ITEMS column is primary key and it also has seperate index on this single column
There are four other indexes as well on independent columns
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CRM_DOCUMENT_ITEMS Table - No index on "FK_JOB_ITEM" column which is used for inner join
Index No. 1 - FK_DOCUMENT_HEADER
There are two other indexes as well on independent columns
-------------------------------
CRM_DOCUMENT_HEADER Table - PK_DOCUMENT_HEADER is primary key and having seperate index on this column as well
There are two other indexes as well on independent columns, one of them index is on FK_JOB column as well (single column in its index)
Index No. 1. FK_JOB,
Index No. 2. PK_JOB_ITEMS
PK_JOB_ITEMS column is primary key and it also has seperate index on this single column
There are four other indexes as well on independent columns
-------------------------------
CRM_DOCUMENT_ITEMS Table - No index on "FK_JOB_ITEM" column which is used for inner join
Index No. 1 - FK_DOCUMENT_HEADER
There are two other indexes as well on independent columns
-------------------------------
CRM_DOCUMENT_HEADER Table - PK_DOCUMENT_HEADER is primary key and having seperate index on this column as well
There are two other indexes as well on independent columns, one of them index is on FK_JOB column as well (single column in its index)
With Best Regards.
Vishal
On Thursday, 16 April 2015 1:06 PM, "Virgo Pärna virgo.parna@... [firebird-support]" <firebird-support@yahoogroups.com> wrote:
On Thu, 16 Apr 2015 07:10:47 +0000 (UTC), Vishal Tiwari vishualsoft@... [firebird-support] <firebird-support@yahoogroups.com> wrote:
>
> [-- Type: text/plain, Encoding: quoted-printable --]
>
> @Virgo Pärna: No speed improvement.
>
What are the indexes on all three tables?
--
Virgo Pärna
virgo.parna@...