SQL Server Basics*: Understand the fundamentals of SQL Server, including its architecture, databases, and normalization.

- *Database Design*: Familiarize yourself with database design principles, including table relationships, primary and foreign keys.

- *Querying Data*: Know how to write basic queries using SELECT, FROM, WHERE, GROUP BY, and HAVING clauses.

*Intermediate Topics*

- *Joins*: Understand different types of joins, including INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN.

- *Subqueries*: Learn how to write subqueries and understand their use cases.

- *Stored Procedures*: Know how to create and use stored procedures, including their benefits and best practices.

- *Functions*: Understand the different types of functions in SQL Server, including scalar functions, table-valued functions, and inline table-valued functions.

- *Indexing*: Learn about indexing strategies, including clustered and non-clustered indexes, and how to optimize query performance using indexes.

*Advanced Topics*

- *Performance Optimization*: Understand how to optimize query performance using techniques like query rewriting, indexing, and statistics.

- *Replication*: Know the different types of replication in SQL Server, including transactional, merge, and snapshot replication.

- *Database Mirroring*: Understand database mirroring and its benefits for high availability and disaster recovery.

- *Security*: Familiarize yourself with SQL Server security features, including authentication modes, encryption, and access control.

- *Troubleshooting*: Learn how to troubleshoot common issues in SQL Server, including performance problems, errors, and connectivity issues.

*Additional Topics*

- *SQL Server Integration Services (SSIS)*: Understand the basics of SSIS and its role in data integration and transformation.

- *SQL Server Analysis Services (SSAS)*: Learn about SSAS and its use in business intelligence and data analysis.

- *SQL Server Reporting Services (SSRS)*: Understand the basics of SSRS and its role in reporting and data visualization.¹ ² ³