create as select : Create Table « Table « Oracle PL / SQL






  1. Oracle PL / SQL
  2. Table
  3. Create Table

create as select

   
SQL>
SQL>
SQL> create table employee(
  2        employee_id number,
  3        break_reason varchar2(100),
  4        break_time interval day(1) to second(2));

Table created.

SQL>
SQL> insert into employee ( employee_id, break_reason, break_time )
  2      values ( 100, 'C',
  3               TIMESTAMP '2001-09-03 12:47:00.000000' -
  4               TIMESTAMP '2001-09-03 13:13:00.000000' );

1 row created.

SQL>
SQL> insert into employee ( employee_id, break_reason, break_time )
  2      values ( 100, 'B',
  3               TIMESTAMP '2001-09-03 13:35:00.000000' -
  4               TIMESTAMP '2001-09-03 13:39:00.000000' );

1 row created.

SQL>
SQL> insert into employee ( employee_id, break_reason, break_time )
  2      values ( 100, 'P',
  3               TIMESTAMP '2001-09-03 16:30:00.000000' -
  4               TIMESTAMP '2001-09-03 17:00:00.000000' );

1 row created.

SQL>
SQL> insert into employee ( employee_id, break_reason, break_time )
  2      values ( 100, 'F',
  3               TIMESTAMP '2001-09-03 17:00:00.000000' -
  4               TIMESTAMP '2001-09-03 17:30:00.000000' );

1 row created.

SQL>
SQL> select * from employee;

EMPLOYEE_ID BREAK_REASON                   BREAK_TIME
----------- ------------------------------ ------------------------------
        100 C                              -0 00:26:00.00
        100 B                              -0 00:04:00.00
        100 P                              -0 00:30:00.00
        100 F                              -0 00:30:00.00

SQL>
SQL>
SQL> create table another_dept
  2  as select *
  3  from employee;

Table created.

SQL>
SQL>
SQL> select * from another_dept;

EMPLOYEE_ID BREAK_REASON                   BREAK_TIME
----------- ------------------------------ ------------------------------
        100 C                              -0 00:26:00.00
        100 B                              -0 00:04:00.00
        100 P                              -0 00:30:00.00
        100 F                              -0 00:30:00.00

SQL>
SQL> drop table another_dept;

Table dropped.

SQL> drop table employee;

Table dropped.

SQL>








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