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Querying Data With Microsoft Transact SQL



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.

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