1. The PROCESS of Queries John Deardurff August 8, 2015
Website:
August 8, 2015

2. Parse Resolve Optimize Compile Execute Execute SQL Sets Ad Hoc Query
Stored Procedure
Syntax
Parse
Resolve
Compile
Optimize
Execution Plan
Procedure Cache
Compile
Run Time
Execute
Execute
SQL
Sets

3. Working with Batches

4. Batches and Variables
First Batch Successful
Second Batch Fails

5. Transactions must pass the ACID test
Atomicity – All or Nothing
Consistent – Only valid data
Isolated – No interference
Durable – Data is recoverable

6. Auto Commit Transactions without Error Handling
TSQL2012.ldf
TSQL2012.mdf
Checkpoint

7. Explicit Transactions without Error Handling
TSQL2012.ldf
TSQL2012.mdf
Checkpoint

8. Explicit Transactions with Error Handling
TSQL2012.ldf
TSQL2012.mdf
Checkpoint