What is primary key in information system?

1 answer

Answer

1144552

2026-04-20 08:36

+ Follow

A primary key is the field or combination of field that identifies a row uniquely.It should not be null and always unique.

ReportLike（0）ShareFavorite

Related Questions

Topics to Explore

InstagramTumblrSkypePhotoshopPowerPointPostgreSQLMySQLJavaScriptJavaLinuxStarlinkSpaceXDELLYahoogoogleAndroidExcelMicrosoftWordTikTokAppleiOSiphoneipadWindowsYouTubeAmazon

A-Z Search

ABCDEFGHIJKLMNOPQRSTUVWXYZ0-9

About Us|Disclaimer|Copyright Notice|Infringement Report|Privacy Policy|Contact Us

Copyright © 2026 eLLeNow.com All Rights Reserved.