| Subject | Re: [firebird-support] Primary key composed by multiple integer fields |
|---|---|
| Author | Dimitry Sibiryakov |
| Post date | 2017-11-11T12:18:49Z |
11.11.2017 13:15, m_brahim11@... [firebird-support] wrote:
select can do index scan or full scan. All this are different cases and affected in
different ways.
Size of table also matters.
--
WBR, SD.
> All fields contained in the PK are updated is that mean by operations affected ?No. Operations are: select, insert, update, delete. Update may change PK values or not,
select can do index scan or full scan. All this are different cases and affected in
different ways.
Size of table also matters.
--
WBR, SD.