where null=null (does null equal null) : Null Value Compare « Select Query « Oracle PL / SQL






  1. Oracle PL / SQL
  2. Select Query
  3. Null Value Compare

where null=null (does null equal null)

 
SQL>
SQL> select * from dual where null=null;

no rows selected








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1.Null value compare
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8.Not empty(null)
9.null is null