Beginning Microsoft SQL Server 2008 ... - S3 Tech Training
Beginning Microsoft SQL Server 2008 ... - S3 Tech Training Beginning Microsoft SQL Server 2008 ... - S3 Tech Training
Contents xxiv Control-of-Flow Statements 349 The IF … ELSE Statement 350 The ELSE Clause 351 Grouping Code into Blocks 352 The CASE Statement 354 A Simple CASE 354 A Searched CASE 356 Looping with the WHILE Statement 359 The WAITFOR Statement 360 The DELAY Parameter 361 The TIME Parameter 361 TRY/CATCH Blocks 361 Summary 364 Exercises 365 Chapter 12: Stored Procedures 367 Creating the Sproc: Basic Syntax 368 An Example of a Basic Sproc 368 Changing Stored Procedures with AL TER 369 Dropping Sprocs 370 Parameterization 370 Declaring Parameters 370 Supplying Default Values 372 Creating Output Parameters 373 Confirming Success or F ailure with Retur n Values 376 How to Use RETURN 376 More On Dealing with Er rors 378 The Way We Were … 379 Handling Inline Errors 379 Making Use of @@ERROR 380 Using @@ERROR in a Sproc 381 Handling Errors Before They Happen 384 Manually Raising Errors 390 Message ID/Message String 390 Severity 390 State 391 Error Arguments 391 WITH 393 Adding Your Own Custom Error Messages 393 @lang 394
Contents @with_log 394 @replace 394 Using sp_addmessage 394 Removing an Existing Custom Message 395 What a Sproc Offer s 395 Creating Callable Processes 395 Using Sprocs for Security 396 Sprocs and Performance 396 When a Good Sproc Goes Bad 398 Extended Stored Procedures (XPs) 399 A Brief Look at Recur sion 399 Debugging 402 Starting the Debugger 402 Parts of the Debugger 402 The Locals Window 403 The Watch Window 404 The Call Stack Window 405 The Output Window 405 The Command Window 405 Using the Debugger Once It’s Started 406 .NET Assemblies 407 Summary 409 Chapter 13: User-Defined Functions 411 What a UDF Is 411 UDFs Retur ning a Scalar V alue 412 UDFs That Retur n a Table 416 Understanding Determinism 423 Debugging User-Defined Functions 425 .NET in a Database W orld 425 Summary 426 Exercise 426 Chapter 14: T ransactions and Locks 427 Transactions 427 BEGIN TRAN 428 COMMIT TRAN 429 ROLLBACK TRAN 429 SAVE TRAN 429 xxv
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Contents<br />
@with_log 394<br />
@replace 394<br />
Using sp_addmessage 394<br />
Removing an Existing Custom Message 395<br />
What a Sproc Offer s 395<br />
Creating Callable Processes 395<br />
Using Sprocs for Security 396<br />
Sprocs and Performance 396<br />
When a Good Sproc Goes Bad 398<br />
Extended Stored Procedures (XPs) 399<br />
A Brief Look at Recur sion 399<br />
Debugging 402<br />
Starting the Debugger 402<br />
Parts of the Debugger 402<br />
The Locals Window 403<br />
The Watch Window 404<br />
The Call Stack Window 405<br />
The Output Window 405<br />
The Command Window 405<br />
Using the Debugger Once It’s Started 406<br />
.NET Assemblies 407<br />
Summary 409<br />
Chapter 13: User-Defined Functions 411<br />
What a UDF Is 411<br />
UDFs Retur ning a Scalar V alue 412<br />
UDFs That Retur n a Table 416<br />
Understanding Determinism 423<br />
Debugging User-Defined Functions 425<br />
.NET in a Database W orld 425<br />
Summary 426<br />
Exercise 426<br />
Chapter 14: T ransactions and Locks 427<br />
Transactions 427<br />
BEGIN TRAN 428<br />
COMMIT TRAN 429<br />
ROLLBACK TRAN 429<br />
SAVE TRAN 429<br />
xxv
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