Master SQL for Data Analysis - Sorting Rows (ORDER BY)

The video tutorial explains the importance of sorting query results to save time and focus on relevant data. It introduces the SQL ORDER BY operator, which allows sorting by specific columns in ascending or descending order. Examples demonstrate sorting by release date and runtime, and using column positions as shortcuts. The tutorial also covers filtering movies by IMDb score and sorting them in descending order.

What is the default order when sorting records using the ORDER BY clause?

• Ascending order

• Random order

• Alphabetical order

• Descending order

Which keyword is used to sort records in descending order?

• ORDER

• SORT

• DESC

• ASC

When sorting by multiple columns, what happens if some rows have the same value in the first column?

• They are sorted by the first column again

• They are removed from the result

• They are sorted by the second column

• They are left unsorted

How can you specify columns for sorting without using their names?

• By using their data types

• By using their positions

• By using their lengths

• By using their values

What condition is used to filter movies with non-null IMDb scores?

• Title type is series

• Title type is not movie

• IMDb score is null

• IMDb score is not null