2 ms·
Your own article points out that exists handles the first case. Exists is not actually implemented as a subquery, it is merely syntactically a subquery.
by dfe 1y ago
Your own article points out that exists handles the first case. Exists is not actually implemented as a subquery, it is merely syntactically a subquery.
- chuliomartinez 1y agoSure exists make sense if you dont need columns from the child table. Exists is also far from basic sql.