hello, everyone
I am having problem using the operator OR. when I test for condition A OR
B in a query, the query becomes extensively slow or even fails, even
though a test on condition A or B alone gives result right away.
If you happened to know what the problem it or have any suggestion,
On 20 Feb 2004 at 10:57, Yun Li wrote:
I am having problem using the operator OR. when I test for condition A
OR B in a query, the query becomes extensively slow or even fails,
even though a test on condition A or B alone gives result right away.
See
I am having problem using the operator OR. when I test for condition A
OR B in a query, the query becomes extensively slow or even fails,
even though a test on condition A or B alone gives result right away.
I learned recently that you can often use a UNION to solve problems like this.
It's