Find the number of users who did not write any review.
CREATE TABLE review (u_id VARCHAR); CREATE TABLE useracct (u_id VARCHAR)
SELECT COUNT(*) FROM useracct WHERE NOT u_id IN (SELECT u_id FROM review)
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE review (u_id VARCHAR); CREATE TABLE useracct (u_id VARCHAR) Question: Find the number of users who did not write any review. [/INST] SELECT COUNT(*) FROM useracct WHERE NOT u_id IN (SELECT u_id FROM review) </s>