Empty row comes when ever joining of two tables happens with Null values
539413Oct 13 2006 — edited Oct 13 2006Hi All,
I have created two tables in Oracle named table1 and table2..Table 1 has column ID of integer datatype with values 1,2,3 and 4. Table2 has column ID of integer datatype with values 1,NULL. If i use below query then empty row is coming..
select * from table1 where ID not in (select ID from table2)
Help me on this...