Query and modify data with Transact SQL
- Duration: 2 days
- Exam Voucher: Yes
- Language: English
- Course Delivery : E - Learning Access
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Course Overview
The Query and Modify Data with Transact-SQL Course delivers essential training for professionals who need to work with relational databases using SQL. Participants gain a structured understanding of how to retrieve, filter, join, and aggregate data, as well as how to safely modify data stored in tables. The course emphasizes practical querying skills used in reporting, application development, and data analysis. Guided labs help learners move from basic queries to more complex data manipulation tasks with confidence.
Course Details
- Build a strong foundation in Transact-SQL querying and data manipulation.
- Learn how to retrieve and filter data effectively from relational databases.
- Understand joins, aggregations, and subqueries for meaningful analysis.
- Gain hands-on experience modifying data using INSERT, UPDATE, and DELETE.
- Improve data accuracy and reliability through proper query practices.
- Establish a foundation for advanced SQL, data analytics, and database learning paths.
- Ideal for beginners, data analysts, developers, and IT professionals.
- Suitable for individuals working with relational databases or reports.
- Basic familiarity with data concepts such as tables and rows is beneficial.
- No prior SQL experience required.
- Write SELECT queries to retrieve data from tables.
- Filter, sort, and aggregate data using T-SQL clauses and functions.
- Combine data from multiple tables using joins.
- Modify data safely using INSERT, UPDATE, and DELETE statements.
- Use built-in functions and expressions in queries.
- Apply best practices for readable and maintainable SQL queries.
- Introduction to Transact-SQL: Relational data and SQL basics.
- Querying Data: SELECT statements, filtering, and sorting.
- Joining Tables: INNER JOIN and basic join concepts.
- Aggregating Data: GROUP BY, aggregates, and HAVING.
- Subqueries and Expressions: Nested queries and calculations.
- Modifying Data: INSERT, UPDATE, and DELETE operations.
- Working with Functions: String, date, and numeric functions.
- Error Handling Basics: NULL handling and data integrity awareness.
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