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Compare two expressions usin oracle sql plsql NULLIF function

NULLIF Function in Oracle SQL – PLSQL

November 28, 2012 by techhoneyadmin

Oracle SQL / PLSQL used the NULLIF function to compare 2 expressions. If the expressions are equal then the SQL NULLIF function returns NULL, else SQL NULLIF function will return the first expression. Oracle SQL / PLSQL Syntax for the NULLIF function is: SELECT NULLIF (expression_1, expression_2) FROM table_name; Here, expression_1 and expression_2 are the […]

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