Querying Data With Microsoft Transact SQL

Overview:

Introduction:

In today's data-driven world, the ability to effectively retrieve, manipulate, and analyze data is essential for success in various industries. Microsoft Transact-SQL (T-SQL) serves as a powerful tool for interacting with data stored in Microsoft SQL Server databases, offering a comprehensive suite of querying and manipulation capabilities. This training program is designed to equip participants with the knowledge and skills needed to harness the full potential of T-SQL for querying data with precision and efficiency.

Program Objectives:

By the end of this program, participants will be able to:

• Master Microsoft Transact-SQL fundamentals.

• Execute T-SQL queries for data retrieval.

• Manipulate data efficiently using T-SQL.

• Explore advanced T-SQL concepts for complex analysis.

• Optimize T-SQL queries for enhanced performance.

• Apply T-SQL skills to real-world scenarios for data-driven decision-making.

Targeted Audience:

• Data Analysts.

• Data Engineers.

• Data Scientists.

• Database Administrators.

• Database Developers.

Program Outlines:

Unit 1.

Querying basics:

• Understand the fundamentals of T-SQL querying.

• Learn to write and execute basic SELECT statements.

• Explore filtering and sorting data using WHERE and ORDER BY clauses.

• Practice retrieving data from single and multiple tables using JOINs.

• Master the use of aliases and expressions in SELECT queries.

Unit 2.

Data manipulation:

• Explore INSERT, UPDATE, and DELETE statements for data manipulation.

• Learn to modify data in tables based on specified conditions.

• Understand the use of transactions to ensure data integrity.

• Master the concept of transaction isolation levels.

• Practice using common table expressions (CTEs) for complex data manipulation tasks.

Unit 3.

Advanced querying techniques:

• Dive into subqueries and their applications in T-SQL queries.

• Learn to use window functions for analytical queries.

• Explore the use of GROUP BY and HAVING clauses for aggregate queries.

• Practice writing recursive queries for hierarchical data structures.

• Understand query optimization and performance tuning principles.

Unit 4.

Stored procedures and functions:

• Understand the purpose and benefits of stored procedures and user-defined functions (UDFs).

• Learn to create, modify, and execute stored procedures.

• Explore different types of UDFs and their usage in T-SQL queries.

• Practice passing parameters to stored procedures and functions.

• Master error handling techniques in stored procedures and functions.

Unit 5.

Practical applications:

• Apply T-SQL querying skills to real-world scenarios and business use cases.

• Practice querying and analyzing data from diverse datasets.

• Work on case studies and projects to reinforce learning.

• Collaborate with peers to solve complex querying challenges.

• Explore practical applications of T-SQL in various industries and domains.