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Course Overview
How many bad business decisions could be avoided if your data was accurate, timely, and easy to query? Nearly 82% of organizations admit to basing decisions on out-of-date data, leading to costly mistakes. The Querying Data with Transact-SQL training course builds the skills you need to work confidently with Microsoft SQL Server.
Through hands-on, instructor-led training, you’ll learn to query single and multiple tables, filter and sort results, join related data, use built-in functions, and work with stored procedures and transactions. You’ll also master subqueries, table expressions, aggregations, and error handling, ensuring you can retrieve and manage data accurately, securely, and efficiently.
Who Should Attend
This course is intended for novice database developers, database administrators, Business Intelligence developers, report creators, and application developers who have an understanding of relational database concepts and have basic Windows navigation skills.
Course Objectives
This course will give you the practical skills to retrieve, manipulate, and manage data using Transact-SQL in Microsoft SQL Server. You’ll gain experience in writing efficient queries, combining data from multiple sources, and applying advanced features for accuracy and performance.
By the end of this course, you will be able to:
- Write single-table and multi-table SELECT queries with filtering and sorting
- Use JOINs, subqueries, and table expressions to combine and structure data
- Apply built-in, aggregate, and window functions for analysis
- Work with stored procedures, parameters, and transactions
- Implement error handling and best practices for reliable query execution
Course Outline
Module 1: Introduction to Transact-SQL
- What is Transact-SQL
- The
SELECT
statement
- The
WHERE
clause
- Sorting results
- Calculations and
CASE
expressions
Module 2: Joining Tables
- The
JOIN
clause
- Inner, outer, self, and cross joins
Module 3: Filtering and Sorting Results
ORDER BY
clause
WHERE
clause filtering
- Limiting rows returned
NULL
handling
Module 4: SQL Server Data Types
- String and temporal data types
- Data type usage best practices
Module 5: Inserting, Updating, and Deleting Data
- Insert new records
- Update existing data
- Delete data safely
Module 6: Using SQL Server Functions
- Function types in SQL Server
- Data conversion functions
- Logical functions
- Handling
NULL
s
Module 7: Aggregating Data
- Aggregation methods
GROUP BY
and HAVING
clauses
- Filtering aggregated results
Module 8: Subqueries
- Scalar, multi-valued, and correlated subqueries
- Using
EXISTS
with subqueries
Module 9: Table Expressions
- Views
- Table-valued functions
- Derived tables
- Common table expressions (CTEs)
Module 10: Combining Data Sets
UNION
, INTERSECT
, and EXCEPT
APPLY
operator
Module 11: Window Functions
- Understanding and implementing window functions
Module 12: PIVOT and Grouping Sets
- Data pivoting
- Grouping sets for advanced aggregations
Module 13: Stored Procedures
- Executing stored procedures
- Input/output parameters
- Creating simple procedures
- Using dynamic SQL
Module 14: Programming Features in T-SQL
Module 15: Error Handling
- SQL Server error handling methods
- Structured exception handling
Module 16: Transactions
- Transaction concepts
- Implementing transactions in T-SQL