ABAP Keyword Documentation → ABAP - Reference → Processing External Data → ABAP Database Accesses → Open SQL → Open SQL - Read Accesses → SELECT → SELECT - WHERE → 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. If this expression is used, the SELECT statement bypasses
SAP buffering.
Note
All other relational expressions of a WHERE condition are unknown if a participating column contains the null value.