> > I would like to compare the number of rows > of one table and of another and use it in > a query like this: > SELECT * FROM xxxx > WHERE "number of rows of table xxxx" > EQUALS > "number of rows of table yyyy" > i.e. I only want get a query result if the tables > have the same number of rows. > Is there a function or a way to do this ? > > Thanks, > Frederick > Basically, the way to find out about the number of rows of a table is "select count(*) from t1" But the select statement above looks odd to me (no offence intended). To receive a selection of certain rows of a table you have to reference at least one column of that table in the where clause like in "select * from table1 t1 where t1.c1 = (select count(*) from t2)" I hope this helps at least a bit. Regards, Christoph
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