| Subject | Re: [firebird-support] Primary key composed by multiple integer fields |
|---|---|
| Author | Dimitry Sibiryakov |
| Post date | 2017-11-11T10:41:41Z |
11.11.2017 11:13, m_brahim11@... [firebird-support] wrote:
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WBR, SD.
> I need to know please if it is allowed that a primary key has multiple integer fields ?Yes, but usually it is a sign of a bad database design.
> a PK that has seven integer fields will it decrease the performance table ?It depends on many details. Some operations may be affected, some not.
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WBR, SD.