Sql 2019 Developer Info

She created a non-clustered columnstore index on the fly. Not on the main Prod table—she wasn't insane—but on a snapshot replica. Then she used WITH (NOEXPAND) to trick the optimizer into using it.

The query ran.

A nested loop join over 12 million rows. A key lookup that was essentially a full table scan in disguise. And a missing index suggestion that the 2019 optimizer had helpfully printed in green. sql 2019 developer

So Ananya did what any developer would do: she cheated. She created a non-clustered columnstore index on the fly

In 0.4 seconds.

She closed her laptop. Outside, the city was asleep. But somewhere in a rack of blinking servers, a million rows of inventory data danced into perfect alignment. The query ran

She didn’t have permission to create indexes. That was Dave’s job. Dave was on vacation in Mexico, judging by his out-of-office reply, which featured a coconut.