it's easy to get the number of records in a sql table with + select count(*) from <table>; +. but it performs differently between the various db's. there is also the situation where one encounters a database with many tables, and only a few of those tables contain interesting data, or any rows at all.
these are alternate methods of investigating the size of the tables. for the following examples, the database name is _ urls , and the table name is url _.