Create table if not exist

Create table if not exists sql

CREATE TABLE IF NOT EXISTS

> CREATE TABLE IF NOT EXISTS TEAMS
> (TEAMNO      INTEGER NOT NULL PRIMARY KEY,
> EmployeeNO    INTEGER NOT NULL,
> DIVISION    CHAR(6) NOT NULL);

Create table if not exist

declare
nCount NUMBER;
v_sql LONG;

begin
SELECT count(*) into nCount FROM dba_tables where table_name = 'EMPLOYEE';
IF(nCount <= 0)
THEN
v_sql:='
create table EMPLOYEE
(
ID NUMBER(3),
NAME VARCHAR2(30) NOT NULL
)';
execute immediate v_sql;

END IF;
end;

Source: stackoverflow.com

Similar codes

23 votes223 views6 answers
How to create table in sql
SQL
0 vote221 views2 answers
How to get json data mysql
SQL
0 vote237 views1 answer
SQL joins in python
SQL
0 vote225 views1 answer
Mariadb disable foreign key checks
SQL
0 vote223 views1 answer
Ver usuarios mysql
SQL
2 votes203 views2 answers
Postgresql date at timezone
SQL
0 vote221 views2 answers
How to get the date from datetime in mysql
SQL
0 vote207 views1 answer
Truncate a table then insert data
SQL
0 vote234 views1 answer
Mysql a from on this page has
SQL
0 vote229 views3 answers
Joins and views sql
SQL