Oracle function return

CREATE OR REPLACE FUNCTION to_date_check_null(dateString IN VARCHAR2, 
	dateFormat IN VARCHAR2) RETURN DATE IS
BEGIN 
    IF dateString IS NULL THEN
        return NULL;
    ELSE
        return to_date(dateString, dateFormat);
    END IF;
END;

Similar codes

-2 votes220 views2 answers
Add auto_increment column to existing table mysql
SQL
0 vote200 views1 answer
Sql contains vs like
SQL
0 vote183 views1 answer
Remove from table where
SQL
0 vote186 views1 answer
Version and edition of SQL Server Database Engine
SQL
0 vote189 views1 answer
Postgresql add not null and not empty constraint
SQL
0 vote189 views1 answer
Android studio SQLiteDatabase delete all data in database
SQL
0 vote205 views1 answer
Date datatype in livesql
SQL
1 vote211 views1 answer
Last 24 HOUR data in mysql
SQL
0 vote182 views1 answer
Vbscript create ADODB.Connection
SQL
0 vote269 views1 answer
How to check common records in 2 table
SQL