WISE OWL EXERCISES
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- Table-valued functions (6)
- Derived tables and CTEs (13)
- Dynamic SQL (4)
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- Triggers (2)
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SQL | Creating tables exercise | Create and populate table of genres using SQL
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If you haven't already done so, run the stored procedure in the above folder to generate a database of books and authors.
Create a query or stored procedure to create the following table of book genres called tblGenre (the rating is a number between 1 and 10 you can assign to each genre):
The table should have 3 columns - you get bonus points for indexing the GenreName column
Now add code to insert records into this table then display them - here's a suggestion for what to add:
If you don't like science fiction, your ratings will be different
Run your query to check it works - you should see something like this:
Here we've also used @@IDENTITY to show the id number of the last row added
Now run your query again - it should now fall over, because the tblGenre table already exists.
Add a statement at the start of your query to drop the tblGenre table if it exists, and run the query again - it should now work.
Optionally, save your query as Generate genres.sql, then close it down.