SQLite create IF NOT EXISTS code example

Example 1: sqlite create table if not exists

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

Example 2: 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];

Example 3: sqlite insert if not exists

#id column is assumed to be primary key

INSERT INTO destination_table(id,name) 
SELECT id, name
FROM source_table s
WHERE NOT EXISTS (
  SELECT 1
  FROM destination_table d
  WHERE d.id = s.id
);

Example 4: create table if not exist in sqlite

CREATE TABLE IF NOT EXISTS some_table (id INTEGER PRIMARY KEY AUTOINCREMENT, ...);