Update data from existing column : UPDATE Set Clause « Insert Delete Update « Oracle PL / SQL

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Oracle PL / SQL » Insert Delete Update » UPDATE Set Clause 
Update data from existing column
 
SQL>
SQL> create table gift(
  2           gift_id                integer         primary key
  3          ,emp_id                integer
  4          ,register_date              date not null
  5          ,total_price        number(7,2)
  6          ,deliver_date           date
  7          ,deliver_time           varchar2(7)
  8          ,payment        varchar2(2)
  9          ,emp_no                 number(3,0)
 10          ,deliver_name           varchar2(35)
 11          ,message        varchar2(100)
 12  );

Table created.

SQL>
SQL> insert into gift(gift_id,emp_id,register_date,total_price,deliver_date,deliver_time,payment,emp_no,deliver_name,message)values
  2                 (1,1,'14-Feb-1999', 123.12'14-Feb-1999', '12 noon', 'CA',1, null, 'Happy Birthday to you');

row created.

SQL> insert into gift(gift_id  ,emp_id ,register_date ,total_price ,deliver_date ,deliver_time ,payment ,emp_no,deliver_name ,message)values
  2                 (2,1,'14-Feb-1999', 50.98'14-feb-1999', '1 pm', 'CA',7'name1', 'Happy Birthday');

row created.

SQL> insert into gift(gift_id  ,emp_id ,register_date ,total_price ,deliver_date ,deliver_time,payment ,emp_no,deliver_name ,message )values
  2                 (32,'14-Feb-1999', 35.99'14-feb-1999', '1 pm', 'VS',2'Tom', 'Happy Birthday');

row created.

SQL> insert into gift(gift_id  ,emp_id ,register_date ,total_price ,deliver_date ,deliver_time,payment ,emp_no,deliver_name ,message )values
  2                 (42,'14-Feb-1999', 19.95'14-feb-1999', '5 pm', 'CA',2'Mary', 'Happy Birthday');

row created.

SQL> insert into gift(gift_id  ,emp_id ,register_date ,total_price ,deliver_date ,deliver_time,payment ,emp_no,deliver_name ,message)values
  2                 (56,'4-mar-1999', 10.95'5-mar-1999', '4:30 pm', 'VS', 2'Jack', 'Happy Birthday');

row created.

SQL>
SQL>
SQL> update gift
  2  set deliver_date = register_date + 10,
  3  message = 'OCP'
  4  where gift_id = 301;

rows updated.

SQL>
SQL>
SQL> drop table gift;

Table dropped.

   
  
Related examples in the same category
1. You can update a column and set it back to the default using the DEFAULT keyword in an UPDATE statement
2. Use arithmetic operators and functions in the SET clause to modify data
3. An example of using a function in the SET clause
4. Change multiple rows and multiple columns in the same UPDATE statement
5. Use TO_DATE('December 31, 2002, 11:30 P.M.','Month dd, YYYY, HH:MI P.M.') in set statement
6. Update four columns
7. Update number type column
8. Update one row
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