I have nearly 50 pairs of tables. Each table has nearly 20 columns. I would like to find out the number of rows that are common in each pair of tables. I also would like to findout the count of minus operation. I cannot use EXISTS and NOT EXISTS, because there are 20 columns, and 50 tables. I know that there is no direct operator for intersection, and minus in MSSQL. Is there any hacky way to findout this without writing complex program.
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