Posted inORACLE

Oracle NVL2 Function

Oracle NVL2 Function: NVL2() function is an extend version of the NVL() function with different options based on whether a NULL value exists. Oracle NVL2() function allow three parameters. If…
June 4, 2020
Posted inORACLE SQL

Oracle NULL-Related Functions

Oracle NULL-Related Functions. There are different type of null related function in oracle. NVL NVL function will check whether the first input parameter is null, if its null value, it…
June 3, 2020
Posted inORACLE SQL

Oracle NVL Function

The NVL function allows you to replace null values with a default values. If the first parameter is null, the function returns the second parameter. If the first parameter has…
June 3, 2020
Posted inORACLE SQL

Oracle Decode Function

Oracle DECODE() function compares the first argument with the second argument. If they are equal, the function returns the third argument otherwise returns the default value. The Oracle/PLSQL DECODE function…
June 3, 2020
Posted inORACLE SQL

Coalesce in oracle

COALESCE return first not null value out all the parameter passed into this function. NOTE: All the parameters have be same datatype DROP TABLE coalesce_func_test; CREATE TABLE coalesce_func_test ( id NUMBER, col1…
May 21, 2020