“Mastering SQL Queries with Transact-SQL for SQL Server”
What you’ll study
Perceive Querying Knowledge (20-25%) Question Knowledge Utilizing SELECT Statements: Use fundamental SELECT statements to retrieve information from SQL Server
Work with Knowledge Modifications (20-25%) Insert, Replace, and Delete Knowledge: Use INSERT, UPDATE, and DELETE statements to change information
Use Constructed-In Features (20-25%) Work with Scalar Features: Make the most of scalar features for operations
Implement Knowledge Filtering and Sorting (15-20%) Filter Knowledge Utilizing WHERE Clause: Apply filtering situations to retrieve particular information utilizing the WHERE clause.
Handle Question Efficiency (15-20%) Optimize Question Efficiency: Implement question optimization methods, corresponding to indexing
Why take this course?
The 70-761: Querying Knowledge with Transact-SQL course is designed to offer you the important abilities wanted to jot down and handle SQL queries utilizing Transact-SQL (T-SQL) for Microsoft SQL Server. This course covers a complete vary of subjects, enabling you to successfully retrieve, manipulate, and analyze information from SQL Server databases.
Key areas lined on this course embody:
- Querying Knowledge: Be taught to jot down and execute SELECT statements to retrieve information from single and a number of tables. Perceive learn how to use varied sorts of joins (INNER, LEFT, RIGHT, FULL) and implement subqueries for superior information extraction.
- Filtering and Sorting Knowledge: Apply filters utilizing the WHERE clause and perceive operators like BETWEEN, IN, LIKE, and wildcards. Use the ORDER BY clause to kind information and carry out customized and multi-level sorting.
- Utilizing Features: Make the most of built-in features for performing calculations, aggregating information, and manipulating strings and dates. Discover scalar features, mixture features, and window features to reinforce your queries.
- Grouping Knowledge: Implement GROUP BY to mixture information into abstract rows and apply mixture features corresponding to COUNT, SUM, AVG, MIN, and MAX. Use HAVING to filter aggregated outcomes and handle advanced grouping eventualities.
- Modifying Knowledge: Write INSERT, UPDATE, and DELETE statements to change information inside tables. Be taught concerning the implications of those operations on information integrity and concurrency.
- Creating and Managing Views: Create and handle views to simplify advanced queries and enhance information entry. Perceive how views can be utilized for information abstraction and safety.
- Managing Transactions: Implement transaction administration utilizing BEGIN TRANSACTION, COMMIT, and ROLLBACK to make sure information integrity. Study isolation ranges and concurrency management to handle concurrent information entry.
- Optimizing Queries: Analyze and optimize question efficiency utilizing methods corresponding to indexing, question plans, and efficiency tuning to make sure environment friendly information retrieval.
This course is right for database professionals, builders, and analysts who must grasp querying methods and improve their SQL Server abilities. By the top of the course, you’ll have a strong understanding of T-SQL and be geared up to deal with advanced querying duties successfully.
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