How to check if a column is nullable before setting to nullable?
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Inline the values in PL/SQL, what does it mean.?
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What is not equal in sql?
how can we know the count/number of elements of an array? : Sql dba
Explain the usage of WHERE CURRENT OF clause in cursors ?
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how to debugg a procedure or package using dbms_output.put_line in plsql
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