Tag: databases
Questions Related to databases
Select the best answer PACKAGE foo_foo IS PROCEDURE foo ( p_foo_text IN VARCHAR2 ); PROCEDURE foo (p_foo_number IN NUMBER); END;
SELECT ROUND (-123.39953,-2) FROM DUAL;
SELECT ROUND(-123.39953,-3) FROM DUAL;
How many columns are presented after executing this query: SELECT address1||','||address2||','||address2 "Adress" FROM employee;