What are the packages in pl sql?
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i have table T!. A B C D NULL 1 2 3 4 NULL 5 6 7 8 NULL 9 10 11 12 NULL. I WANT COUNT OF NULL VALUES IN TABLE. WRITE A QUERY.
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table - new_no old_no 2345 1234 3456 2345 5678 4567 output sud be -new_no 1234 2345 3456 4567 5678
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