How can i fix 'error: duplicate key value violates unique constraint' in sql?
This error indicates that you're trying to insert or update a record with a value that would result in a duplicate key in a column with a unique constraint.
Example:
INSERT INTO users (id, name) VALUES (1, 'Alice');
INSERT INTO users (id, name) VALUES (1, 'Bob');
Solution:
INSERT INTO users (id, name) VALUES (1, 'Alice');
INSERT INTO users (id, name) VALUES (2, 'Bob'); -- changed the id value
