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CREATING ORACLE DATABASE OBJECTS CREATING TEMPORARY TABLES   SQL>CREATE GLOBAL TEMPORARY TABLE TEMP_EMP (EMPNO NUMBER,ENAME VARCHAR2(10))   CREATING ONE TABLE WITH DATA FROM ANOTHER   SQL> create table emp_copy(empno,sal) as select empno,sal from emp;   SQL> CREATE TABLE employee_new   2 AS SELECT * FROM employees   3 PARALLEL DEGREE 4   4*NOLOGGING; Table… Continue Reading All about table and constraints in Oracle