Please write a SQL statement to see 3 favorite restaurants by visits and by orders in a list (please add an action_type column with values 'order' or 'visit', it depends on the data from the ...

Please create a unique BTree index with the name idx_menu_unique on the menu table for pizzeria_id and pizza_name columns. Please write and provide any SQL with proof (EXPLAIN ANALYZE) that index ...

How to Create a Table From Query Results in Microsoft SQL. If your business uses relational databases to store data, you may have used a SQL SELECT clause to create new tables from query results.

SQL lets you use one command to quickly create a new table containing a subset of records from a larger table while working in Access. Sound complicated? It's not, as Mary Ann Richardson shows us.