Join Bill Weinman for an in-depth discussion in this video Executing the SQL, part of MySQL Essential Training (2014).
…Like most database APIs the PDO interface is built on top of the standard…MySQL C interface which provides a facility for prepared statements.…Prepared statements allow the database to analyze and compile an…SQL statement and then execute it over and over again.…To get the results one row at a time.…This is actually a lot more efficient than it sounds.…The alternative would be to grab all of the rows of a result at once…which may sound like a good idea, but it rarely actually is a good idea.…
You never know how many rows there'll be or how…much memory and compute resources will be required to process them.…Getting one row at a time is very manageable.…And with prepared statements, it's actually quite efficient.…Prepared statements also provide for statement parameters.…Statement parameters provide significant security…benefits, especially against SQL injection attacks.…Here in this get_albums SQL function, you notice that the query is very simple.…It's just a select everything.…
From album, order by title.…
- Writing queries
- Creating and updating databases and tables
- Using MySQL built-in functions
- Sorting and filtering data
- Updating tables with triggers
- Working with subselects and views
- Creating and using a stored function
Skill Level Beginner
1. Installing and Configuring the Test Environment
2. Basic Syntax
3. Creating a Database
4. MySQL Data Types
5. MySQL Functions
8. Subselects and Views
9. Stored Routines
10. PHP's PDO Interface with MySQL
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