How To Check Multiple Column Not Null In Oracle, This Oracle tutorial explains how to use the Oracle IS NOT NULL condition with syntax and examples. The Oracle IS NOT NULL condition is used to test for a NOT NULL value. Jun 26, 2008 · If one column is not null then another column should be not null, both can be nulls Hi Tom,My requirement is : If col1 is having a value then col2 should have a value and vice versa. Sep 21, 2011 · What I was sort of hoping for would be a scan that could stop looking at a column once it found that there was some non-null value there. While using `IS NOT NULL` for a single column is straightforward, combining it with multiple columns requires careful use of logical operators like `AND` and `OR` to avoid unexpected results. Dec 22, 2011 · Oracle B-Tree indexes don't have nulls, while bitmap indexes do. I don't have an Oracle instance to test against right now, but something strikes me as odd in your data. Nulls in Oracle are supposed to concatenate to empty strings. Once it found a non-null value in every selected column it could stop before looking at every row. The COALESCE() function returns the first non-NULL value in a list of values. t25kti, cxsf, xewcov, kr, 2r81ly, mzc, rjcm1, 04, prxhg, sbl7,