ABAP Keyword Documentation → ABAP - Reference → Processing External Data → ABAP - Database Accesses → Open SQL → Open SQL - Read Accesses → SELECT → SELECT - cond → WHERE - sql_cond
sql_cond - NULL
Other versions: 7.31 | 7.40 | 7.54
Syntax
... col IS [NOT] NULL ...
Effect
This expression is true if the value of col is (not) the
null value. When using this expression, the SELECT statement bypasses
SAP buffering.
Note
All other logical expression of a WHERE condition are unknown if a participating column contains the null value.