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

3 votes240 views5 answers
Duplicate table sql
SQL
5 votes242 views3 answers
Mysql remove unique constraint
SQL
2 votes237 views1 answer
Sql update from different table
SQL
0 vote234 views1 answer
Varchar2 length in oracle
SQL
0 vote175 views1 answer
Testing sql queries
SQL
1 vote278 views1 answer
OSError: mysql_config not found
SQL
0 vote227 views1 answer
Enable full text search mysql
SQL
0 vote172 views1 answer
Mysql collation for all languages
SQL
0 vote228 views1 answer
Sqlalchemy sequence postgresql
SQL
0 vote251 views1 answer
Full outer join in mariadb mysql
SQL