Further, they point out that these pop-up businesses are powered by whatâs becoming known as âgig workersâ â a term borrowed from the music industry, where musicians move from job to job (gig to gig), employed for a particular performance or a defined time, with little more connection to the venue than to the fast food theyâre eating for lunch.
Answer: B. Multiple-row subqueries return more than one row of results.Operators that can be used with multiple-row subqueries include IN, ALL, ANY, and EXISTS.The multi row operators IN, ANY, ALL must be used with single row operators as shown in the option B.
If a table appears only in a subquery and not in the outer query, then columns from that table cannot be included in the output (the select list of the outer query). Statements that include a subquery usually take one of these formats: WHERE expression [NOT] IN (subquery)