Should I use or for not equal in T-SQL

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SQL uses both != and <> for not equal. What is syntax is the preferred one and why?

Feb 14, 2022 in Database by Neha
• 9,060 points
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1 answer to this question.

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Most of the existing databases support !=

Databases that support both of these: != and <> are-

  • MySQL 5.1
  • SQLite
  • Oracle 10g
  • IBM Informix Dynamic Server 10
  • Microsoft SQL Server 2000/2005/2008/2012/2016
  • InterBase/Firebird
  • PostgreSQL 8.3
  • Apache Derby 10.6
  • Sybase Adaptive Server Enterprise 11.0
  • Mimer SQL 11.0

Databases that support <> , exclusively:

  • IBM DB2 UDB 9.5
  • Microsoft Access 2010
answered Feb 14, 2022 by Vaani
• 7,020 points

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