Retrieving the data from the table using the PL/SQL
问题 I want to retrieve all the information about each department from the DEPARTMENT table and display the information on the screen. Column name Data type Constraints DEPARTMENT_ID NUMBER(5) PK DEPARTMENT_NAME VARCHAR2(25) NOT NULL LOCATION_ID VARCHAR2(15) Sample Output: Department Details are : 1000, ADMIN, HQ-101 1010, DEVELOPMENT, CBE-103 1020, TESTING, CHN-102 I have a code which is as follows- set serveroutput on; declare v_dno department.department_id%type; v_dname department.department