Is it possible to set second Primary Key Constraint in a table in Oracle Database ?
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What is a static data dictionary in oracle?
The table has 3 columns 4 rows. The output is which column has least null values( A COL SHOULD BE THE OUTPUT) Write the query plz. A B C ================ 1 NULL 2 NULL 3 4 NULL 5 6 7 NULL NULL O/P C = 2 4 6
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how to i write the query 'NISHI' TO N I S H I
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