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

0 vote227 views1 answer
Delete hangfire retries list
SQL
0 vote212 views1 answer
FILENAME /usr/bin/mysql does not exists. Make sure correct path is set in /etc/dump admin/settings.conf.
SQL
3 votes223 views2 answers
Order by postgresql
SQL
3 votes157 views1 answer
How to get list of synonyms in oracle
SQL
8 votes202 views1 answer
Insert a select statement into a table
SQL
5 votes201 views1 answer
Oracle ORA-00054 origin
SQL
0 vote218 views2 answers
FIND OUT THE NAME HIGHEST SALARY SQL
SQL
1 vote210 views1 answer
How to remove identity from a column in sql server
SQL
0 vote210 views1 answer
Get record which is available in one table but not in another mysql
SQL
0 vote228 views1 answer
Error code 1451 sql
SQL