Introduction
Turn data into information with queries
()
What you should know
()
Download the sample database
()
1. Introduction to T-SQL Queries
What is Transact SQL?
()
The SQL querying environment
()
Return records with SELECT and FROM
()
Filter records with WHERE
()
Sort records with ORDER BY
()
Column aliases
()
Create values with constants
()
2. Additional Filter Techniques
Limit results with TOP
()
Remove duplicates with DISTINCT
()
Comparison operators
()
Understand NULL values
()
Match text with LIKE and wildcards
()
3. Retrieve Records from Multiple Tables
Table joins and relationships
()
Inner joins
()
Left, right, and full outer joins
()
Cross joins
()
4. Grouping Records
Understand record grouping
()
Use GROUP BY and COUNT
()
Aggregate functions
()
Explore data with SUM
()
Filter groups with HAVING
()
5. Manipulate Data with Functions
Use functions in T-SQL
()
String functions
()
Text concatenation
()
Round with mathematical functions
()
Work with date functions
()
FORMAT date and times
()
Return random records with NEWID
()
The IIF logical function
()
6. Writing SQL Scripts
Change database context with USE
()
Add comments to a script
()
When to use square brackets
()
7. SQL Subqueries
What is a subquery?
()
Use a subquery in a WHERE clause
()
Correlated subqueries
()
PIVOT the result set
()
8. Work with Variables
Create and use variables in a query
()
Create a counter for a looping statement
()
9. Result Set Operators
Combine results with UNION
()
Return distinct rows with EXCEPT
()
Return common rows with INTERSECT
()