55366 Querying Data with Transact-SQL
- 5 Days Course
- Language: English
Introduction:
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 Nearly 82% of organizations admit to basing decisions on out-of-date data, leading to costly mistakes.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.
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
SELECTstatement - The
WHEREclause - Sorting results
- Calculations and
CASEexpressions
Module 2: Joining Tables
- The
JOINclause - Inner, outer, self, and cross joins
Module 3: Filtering and Sorting Results
ORDER BYclauseWHEREclause filtering- Limiting rows returned
NULLhandling
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
NULLs
Module 7: Aggregating Data
- Aggregation methods
GROUP BYandHAVINGclauses- Filtering aggregated results
Module 8: Subqueries
- Scalar, multi-valued, and correlated subqueries
- Using
EXISTSwith subqueries
Module 9: Table Expressions
- Views
- Table-valued functions
- Derived tables
- Common table expressions (CTEs)
Module 10: Combining Data Sets
UNION,INTERSECT, andEXCEPTAPPLYoperator
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
- Loops and conditions
Module 15: Error Handling
- SQL Server error handling methods
- Structured exception handling
Module 16: Transactions
- Transaction concepts
- Implementing transactions in T-SQL
Enroll in this course
$2,975.00 – $2,995.00
