Explains stored procedures in MySQL, walking through an example and running it
- [Instructor] Now, unlike functions,…stored procedures tend to do something.…You'd use one if you wanted to edit…or delete some data that can perform actions…rather than just returning a value.…We're going to look at some that do just return values,…though, because I don't want to cover…editing and deleting data in this course.…Now let's start by looking at this query.…Select everything from the inventory table…for a particular film and for store number two.…And when we run that we see it gives us three rows back,…so there are three items of stock,…all with the same film…and all assigned to the same store.…
Now what if we wanted to know which of these films…were not currently in stock?…For that we could use…the film not in stock stored procedure.…And if I click on it, you see…the substance of the query there,…which we'll look at it in a moment in Atom.…But the main thing in this screen…I want to show you are these parameters.…So this stored procedure has three parameters,…two in parameters and then one out parameter.…
Join Emma Saunders as she shows you how to design and write simple SQL queries for data reporting and analysis. Review the different types of SQL, and then learn how to filter, group, and sort data, using built-in SQL functions to format or calculate results. Learn a bit about data types and database design. Discover how to perform more complex queries, such as joining data together from different database tables. Last but not least, Emma shows how to save your queries as views, so you can run them again and again.
- Using different versions of SQL
- Retrieving data with SELECT statements
- Filtering and sorting your results
- Transforming results with built-in SQL functions
- Grouping SQL results
- Merging data from multiple tables
- Identifying data types, and how to make sense of your database design
- Saving SQL queries
Skill Level Intermediate
1. Use SQL to Report Data
Data types in SQL databases5m 47s
2. Group your SQL Results
3. Merge Data from Multiple Tables
4. Advanced Features and Taking Your Learning Forwards
- Mark as unwatched
- Mark all as unwatched
Are you sure you want to mark all the videos in this course as unwatched?
This will not affect your course history, your reports, or your certificates of completion for this course.Cancel
Take notes with your new membership!
Type in the entry box, then click Enter to save your note.
1:30Press on any video thumbnail to jump immediately to the timecode shown.
Notes are saved with you account but can also be exported as plain text, MS Word, PDF, Google Doc, or Evernote.