Pl sql auto increment

CREATE OR REPLACE TRIGGER dept_bir 
BEFORE INSERT ON departments 
FOR EACH ROW

BEGIN
  SELECT dept_seq.NEXTVAL
  INTO   :new.id
  FROM   dual;
END;
/

Source: stackoverflow.com

Pl sql auto increment

CREATE TABLE departments (
  ID           NUMBER(10)    NOT NULL,
  DESCRIPTION  VARCHAR2(50)  NOT NULL);

ALTER TABLE departments ADD (
  CONSTRAINT dept_pk PRIMARY KEY (ID));

CREATE SEQUENCE dept_seq START WITH 1;

Source: stackoverflow.com

Similar codes

11 votes188 views1 answer
Mysql text type max length
SQL
8 votes180 views2 answers
Mysql get first x characters
SQL
3 votes182 views4 answers
Show sql server database
SQL
0 vote186 views1 answer
Sql counter column
SQL
11 votes181 views4 answers
Query DISTINCT
SQL
-1 vote205 views1 answer
Mysql extract days
SQL
0 vote314 views1 answer
Mysql update all record removing 2 hours from column
SQL
1 vote211 views1 answer
Moodle query first user access
SQL
1 vote218 views1 answer
Apex run 404
SQL
0 vote181 views1 answer
Cast as decimal postgresql
SQL