Create table if not exists sql

Create table sqlite

 CREATE TABLE [IF NOT EXISTS] [schema_name].table_name (
	column_1 data_type PRIMARY KEY,
   	column_2 data_type NOT NULL,
	column_3 data_type DEFAULT 0,
	table_constraints
) [WITHOUT ROWID];

Source: sqlitetutorial.net

Sqlite create table if not exists

CREATE TABLE IF NOT EXISTS [schema_name].table_name (...);

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

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