To clarify, an INNER JOIN is equivalent to a SELECT from multiple tables with a WHERE clause, i.e. these are the same: 
 select count(*) from tableA
INNER JOIN tableB ON (tableA.tableAkey = tableB.tableBkey)

 select count(*) from tableA, tableB
 WHERE tableA.tableAkey = tableB.tableBkey

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In reply to Re^2: perl dbi select question by pc88mxer
in thread perl dbi select question by baxy77bax

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