PrecisionSQLWhy does this SQL subquery run a thousand times?
Why does this SQL subquery run a thousand times in production. The SQL code uses a correlated subquery in SELECT. In MySQL it executes once per row. In SQL one query can become millions of executions.
#whatswrongwiththissqlquery #sqlbug #sqlproductionbug #sqldebugging #sqldatabase #sqlcodereview #sqlperformance #sqlreliability #sqlanalytics #sqldataintegrity #sqlengineering #sqlcorrelatedsubquery #...
