Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE review (name VARCHAR, u_id VARCHAR)
TABLE: CREATE TABLE useracct (name VARCHAR, u_id VARCHAR)

### Question ###
Find the names of users who did not leave any review.

### Accurate SQL ###

SELECT name FROM useracct WHERE NOT u_id IN (SELECT u_id FROM review)