Answers for "if statement with sqlite not exists"

SQL
1

python sqlite3 create table if not exists

CREATE TABLE IF NOT EXISTS some_table (id INTEGER PRIMARY KEY AUTOINCREMENT, ...);
Posted by: Guest on December-21-2020
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
);
Posted by: Guest on August-18-2020
1

sqlite check if row exists

SELECT EXISTS(SELECT 1 FROM myTbl WHERE u_tag="tag");
Posted by: Guest on June-15-2020

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