sqlite3 create database if not exists code example

Example 1: sqlite create table if not exists

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

Example 2: 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
);

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