Is there any difference between and in Oracle Sql

Question

I would like to know if there are any differences in between the two not equal operators  lt  gt  and    in Oracle   Are there cases where they can give different results or different performance

User · Answer

At university we were taught  best practice  was to use    when working for employers  though all the operators above have the same functionality

User · Answer

No there is no difference at all in functionality    The same is true for all other DBMS - most of them support both styles    Here is the current SQL reference  https   docs oracle com database 121 SQLRF conditions002 htm CJAGAABC  The SQL standard only defines a single operator for  not equals  and that is  lt  gt

User · Answer

According to this article     performs faster  http   www dba-oracle com t not equal operator htm

User · Answer

Actually  there are four forms of this operator    lt  gt          and even      -- worked on some obscure platforms in the dark ages   which are the same  but treated differently when a verbatim match is required  stored outlines or cached queries

[sql] Is there any difference between "!=" and "<>" in Oracle Sql?

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