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SQL>
SQL>
SQL> CREATE TABLE departments
2 (department_id number(10) not null,
3 department_name varchar2(50) not null,
4 CONSTRAINT departments_pk PRIMARY KEY (department_id)
5 );
Table created.
SQL>
SQL>
SQL>
SQL> insert into departments ( department_id, department_name )
2 values( 1, 'Data Group' );
1 row created.
SQL>
SQL> insert into departments ( department_id, department_name )
2 values( 2, 'Purchasing' );
1 row created.
SQL>
SQL> insert into departments ( department_id, department_name )
2 values( 3, 'Call Center' );
1 row created.
SQL>
SQL> insert into departments ( department_id, department_name )
2 values( 4, 'Communication' );
1 row created.
SQL>
SQL>
SQL> select * from departments;
DEPARTMENT_ID DEPARTMENT_NAME
------------- --------------------------------------------------
1 Data Group
2 Purchasing
3 Call Center
4 Communication
SQL>
SQL>
SQL> column department_name format a30 heading "Department Names"
SQL>
SQL> select department_name
2 from departments
3 order by 1
4 /
Department Names
------------------------------
Call Center
Communication
Data Group
Purchasing
SQL>
SQL>
SQL> drop table departments;
Table dropped.
SQL>
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