Update a TEMPORARY TABLE and check the table it based on : Temporary Table « Table « Oracle PL / SQL

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Oracle PL / SQL » Table » Temporary Table 
Update a TEMPORARY TABLE and check the table it based on
   
SQL> create table employee(
  2           emp_no                 integer         primary key
  3          ,lastname               varchar2(20)    not null
  4          ,firstname              varchar2(15)    not null
  5          ,midinit                varchar2(1)
  6          ,street                 varchar2(30)
  7          ,city                   varchar2(20)
  8          ,state                  varchar2(2)
  9          ,zip                    varchar2(5)
 10          ,zip_4                  varchar2(4)
 11          ,area_code              varchar2(3)
 12          ,phone                  varchar2(8)
 13          ,salary                 number(3)
 14          ,birthdate              date
 15          ,hiredate               date
 16          ,title                  varchar2(20)
 17          ,dept_no                integer
 18          ,mgr                    integer
 19          ,region                 number
 20          ,division               number
 21          ,total_sales            number
 22  );

Table created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (1,'Anderson','Nancy','N','33 Ave','London','NY','11111','1111','212','234-1111',3.75,'21-mar-1927','1-feb-1947','Sales Manager',2,null,100,10,40000);

row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (2,'Last','First','F','12 Ave','Paris','CA','22222','2222','221','867-2222',7.75,'14-feb-1976','15-mar-1985','Sales Clerk',2,1,100,10,10000);

row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (3,'Wash','Georgia','G','Street14','Barton','NJ','33333','3333','214','340-3333',11.50,'2-jul-1977','21-apr-2004','Designer',1,2,100,10,40000);

row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (4,'Bush','Dave','D','56 Street','Island','RI','44444','4444','215','777-4444',21.65,'15-may-1945','2-aug-1975','Designer',1,2,100,10,40000);

row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (5,'Will','Robin','W','56 Street','Island','MA','55555','5555','216','777-5555',24.65,'10-dec-1980','2-aug-2007','Designer',1,5,100,10,40000);

row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (6,'Pete','Mona','M','13 Ave','York','MO','66666','6666','217','111-6666',9,'14-feb-1966','15-mar-1985','Sales Clerk',2,5,100,10,40000);

row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (7,'Roke','John','J','67 Ave','New York','BC','77777','7777','218','122-7777',10.00,'14-jun-1955','15-mar-1975','Accountant',3,2,100,10,40000);

row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2               values (8,'Horry','Tedi','T','1236 Lane','Newton','NY','88888','8888','219','222-8888',13.00,'10-jun-1955','15-aug-1985','Sales Representative',3,2,100,10,50000);

row created.

SQL> insert into employee(emp_no, lastname, firstname, midinit, street, city, state, zip,zip_4, area_code, phone, salary, birthdate, hiredate,title, dept_no, mgr, region, division, total_sales)
  2                values (9,'Bar','Candi','C','400 East Street','Yorken','NY','99999','9999','220','321-9999',12.00,'10-oct-1933','15-jan-1969','Sales Representative',3,5,100,10,35000);

row created.

SQL>
SQL> CREATE GLOBAL TEMPORARY TABLE temp_emp
  2    ON COMMIT PRESERVE ROWS
  3    AS SELECT FROM employee;


SQL>
SQL> UPDATE temp_emp SET salary = 99
  2  WHERE title = 'Designer';

rows updated.

SQL>
SQL> select from employee where title = 'Designer'
  2
SQL> SELECT salary FROM temp_emp
  2  WHERE title = 'Designer';
    SALARY
----------
        99
        99
        99

rows selected.

SQL>
SQL> drop table temp_emp;

SQL> drop table employee;

Table dropped.

SQL> --

   
    
  
Related examples in the same category
1. Create temporary table
2. Create global temporary table from existing table
3. Create global temporary table with 'on commit delete rows' option
4. Temporary tables cannot be forced into logging.
5. Temporary tables support primary keys.
6. Temporary tables do not support foreign keys
7. You cannot alter a temporary table to change its data duration.(drop and recreate)
8. ORA-14452: attempt to create, alter or drop an index on temporary table already in use
9. create global temporary table on commit delete rows
10. Temporary table on commit preserce and delete
11. drop global temporary table
12. Insert into a temporary with select statement
13. Insert data into the temporary table.
14. truncate a global temporary table
15. Using Temporary Tables
16. Create global temporary table working_emps on commit preserve rows
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