What are some common Dynamic Management Views to manage waiting tasks in SQL Server?
How the SQLOS manages worker threads in the SQL Server Execution Model and the different wait queues in SQL Server to manage threads used by the CPU.
The three parts of the SQL Server database engine with a focus on how the SQLOS component of the database engine manages resources.
How to read Heap and Clustered Index table operators in a SQL Server Execution Plan. One way of determining if a table is structured as a Heap or a Clustered Index is to look at the table operators from the Execution Plan.
Heaps vs Clustered Indexes and how tables are structured and data is stored in SQL Server. Data rows from a table are stored in the data pages in either an unsorted order (Heap) or a sort order (Clustered Index).
Data Pages and Extents in SQL Server and how data is stored in SQL Server. Data records are physically stored in 8kb data pages on the hard drive.
How SQL Queries are processed by the Relational Engine. Parsing, Resolving, Optimizing, Compiling, and Executing to return SQL Sets.
What is a Lock? What is the process that transactions use to lock records to provide transaction isolation.
SQL Transaction and Error Handling? What is the difference between Auto-Commit and Explicit Transactions and how transaction effect Errors and Exception Handling?
The ACID properties of SQL Transactions, What are the different ACID properties of a transaction how they ensure that data is Atomic, Consistent, Isolated, and Durable.