Beginning Microsoft SQL Server 2008 ... - S3 Tech Training

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transactions (continued) COMMIT TRAN option, 429 length of, and deadlocks, 447 log backups, 577 logs, 6–7 open-ended, and deadlocks, 448 ROLLBACK TRAN option, 429 SAVE TRAN option, 429–430 SQL server log and, 430–433 transaction isolation level and deadlocks, 447–448 Transact-SQL. See T-SQL trees navigating, 271–272 nodes and, 478 triangulars (number s), 401 triggers. See also specific triggers AFTER, 470 AFTER triggers, 453, 454–456 WITH APPEND option, 456–457 architectural changes and, 463 ON clauses, 453 COLUMNS_UPDATED() function, 468 common uses for, 461–462 concurrency issues and firing of, 466–467 data integrity rules and, 184 DDL, 452 debugging, 470–471 DELETE trigger, 456 dropping, 470 WITH ENCRYPTION option, 454 firing order of, 464–465 FIRST, 464–465 fundamentals of, 452–453 IF UPDATE() function, 467 indexes and, 469–470 INSERT trigger, 456 INSTEAD OF triggers, 454–455, 465–466 AS keyword, 457 LAST, 464–465 680 transactions (continued) nested triggers, 462 NOT FOR REPLICATION option, 457 overview, 451–452 reactive vs. proactive, 466 recursive triggers, 462–463 relationships and, 231, 235 rollbacks within triggers, 470 short running code in, 469 trigger objects (tables), 8 FOR triggers, 454–456 turning off without removing, 463 types of, 453 UPDATE() function, 467 UPDATE trigger, 456 using for custom error messages, 461 using for data integrity rules, 457–461 using to check delta of updates, 459–461 when to use, 184–185 TRUNCATE TABLE, 453 TRUSTW ORTHY option, 121 TRY/CA TCH blocks vs. @@ERROR, 381, 383–384 fundamentals of, 361–364 T-SQL ANSI/ISO and, 44 defined, 43 editing views with, 312 GO statements and, 336–337 language, 10 Query window and, 33 T-SQL statements, 43–79 basic SELECT statement. See SELECT statements basics of, 43 DELETE statements, 77–78 INSERT statements. See INSERT statements (T- SQL) UPDATE statements. See UPDATE statements TYPE option, XML queries and, 499 TYPEPR OPERTY function, 628
U UDFs. See user-defined functions (UDFs) underscore (_) for naming columns, 125 UNICODE function, 638 UNION operator, joins and, 107–111 UNIQUE constraints, 171–172, 283 unique identifiers defined, 158 primary keys and, 158–159 ROWGUIDCOL and, 127 Universal T ime Coordinate (UTC), 607 unnamed columns (P ATH option), 505–506 UPDATE() function (trigger s), 467 UPDATE statements basics of, 75–77 error handling and, 385 updates update locks, 439 UPDATE STATISTICS command, 280 Update Statistics dialog, 529 UPDATE triggers, 456 updating with cascading actions, 165–170 using triggers to check delta of, 459–461 UPPER function, 638 USE command, 131 USE statement, 326–327 user-defined data types, 11, 12 user-defined functions (UDFs) basics, 10–11, 411–412 creating, 413 debugging, 425 defined, 411 EXEC command and, 349 .NET databases and, 425 returning scalar values, 412–416 running simple query, 413–416 vs. sprocs, 411, 413 syntax for creating, 412 that return tables. See tables, UDFs that return users USER function, 632 user objects, 11 victims of deadlocks USER_ID function, 632–633 USER_NAME function, 633, 647 UTC (Univer sal T ime Coordinate), 607 UUIDs (Univer sally Unique IDs), 127 V validated XML, 475, 486 values @@DATEFIRST function, 594–595 COLUMNPROPERTY function and, 617 CURSOR_STATUS function and, 604–605 DATABASEPROPERTY function and, 617–618 ested queries that return multiple values, 190–191 FULLTEXTSERVICEPROPERTY function and, 621 identity value, 126 INDEXPROPERTY function and, 622 IS_SRVROLEMEMBER function and, 631 OBJECTPROPERTY function and, 623–625 OBJECTPROPERTYEX and, 626 required vs. optional values in foreign keys, 170 scalar values, UDFs that return, 412–416 SERVERPROPERTY function property name, 645–646 SET option values, @@OPTIONS and, 597 setting in variables, 327–329 SQL_VARIANT_PROPERT function and, 627 .value data type method (XML), 492–494 VAR function, 594 variables declaring, 327–330 referencing, 346 variable scope, 346–348 VARP function, 594 VB.NET, connectivity examples, 653–655 Verification dialog (Execute P ackage Utility), 560 VerifySignedByAsymK ey function, 603 VerifySignedByCer t function, 603 version attribute (XML), 477 @@VERSION function, 599 VIA vir tual interface, 24 victims of deadlocks, 445, 446 681 Index
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Programmer to Programmer Get more
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Beginning Microsoft SQL Ser ver® 2
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Beginning Microsoft SQL Ser ver® 2
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About the Author Experiencing his f
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Acknowledgments Over the years, the
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Contents Chapter 2:T ools of the T
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Contents xviii The CREATE Statement
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Contents xx Correlated Subqueries 1
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Contents xxii SORT_IN_TEMPDB 280 ON
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Contents xxiv Control-of-Flow State
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Contents xxvi How the SQL Ser ver L
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Contents Chapter 16: A Brief XML Pr
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Contents Chapter 19: Pla ying Admin
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Introduction The beginning user wil
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Introduction ❏ We show file names
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Introduction xxxvi ❏ Understand t
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Chapter 1: RDBMS Basics: What Makes
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Chapter 2: Tools of the Trade 22 My
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Chapter 2: Tools of the Trade ❑ S
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Chapter 2: Tools of the Trade 26 Ke
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Chapter 2: Tools of the Trade 28 Th
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Chapter 2: Tools of the Trade 30 lo
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Chapter 2: Tools of the Trade 32 3.
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Chapter 2: Tools of the Trade 34 Fi
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Chapter 2: Tools of the Trade Figur
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Chapter 2: Tools of the Trade Note
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Chapter 2: Tools of the Trade bcp i
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3 The Foundation Statements of T-SQ
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asic SELECT statement. Fire up the
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Now let’s try taking a little bit
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very few of your tables will have s
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Operator Example Usage Effect ALL,
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Chapter 3: The Foundation Statement
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WHERE SalesOrderID IN (43660, 43670
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AVG This one is for computing avera
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efore, but remove the two AS keywor
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You’ll get a result that is a bit
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What if we want to place conditions
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Let’s say, for example, that we w
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City varchar(20) NOT NULL, State ch
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for it in the INSERT statement. For
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And sure enough, we get back the on
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Chapter 4: JOINs 82 returned is in
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Chapter 4: JOINs 84 Using an INNER
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Chapter 4: JOINs 86 Uh, oh — this
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Chapter 4: JOINs How It Works Unlik
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Chapter 4: JOINs If we were to look
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Chapter 4: JOINs 92 What I’m tryi
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Chapter 4: JOINs 16 Mountain-500 Si
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Chapter 4: JOINs 96 Let’s use thi
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Chapter 4: JOINs 98 vendor. We’re
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Chapter 4: JOINs 100 Somehow, we lo
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Chapter 4: JOINs Try It Out FULL JO
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Chapter 4: JOINs Every time I teach
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Chapter 4: JOINs JOIN Sales.Special
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Chapter 4: JOINs Figure 4-1 As alwa
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Chapter 4: JOINs 110 CREATE TABLE U
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Chapter 4: JOINs There are two diff
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Chapter 5: Creating and Altering Ta
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Chapter 6: Constraints At a more sp
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Chapter 6: Constraints We can then
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Chapter 6: Constraints A table can
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Chapter 6: Constraints FOREIGN KEY
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Chapter 6: Constraints How It Works
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Chapter 6: Constraints Cascading Ac
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Chapter 6: Constraints 166 This is
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Chapter 6: Constraints 168 FROM Ord
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Chapter 6: Constraints 170 Let’s
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Chapter 6: Constraints CHECK Constr
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Chapter 6: Constraints Defining a D
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Chapter 6: Constraints Ignoring Bad
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Chapter 6: Constraints Try running
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Chapter 6: Constraints Rules and De
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Chapter 6: Constraints Dropping Rul
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Chapter 6: Constraints 184 Restrict
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7 Adding More to Our Queries When I
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Building a Nested Subquery A nested
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While this works just fine, queries
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We’ll go back to the AdventureWor
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❑ Aliases are used in both querie
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Now let’s see this at work in our
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So let’s take this now and apply
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This join-based syntax, for example
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IF NOT EXISTS (SELECT ‘True’ FR
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The conversions can actually get a
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there are no other roll up records
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GROUP BY soh.OrderDate, sod.Product
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OUTPUT $action, inserted.Year, inse
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The long-standing, traditional view
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8 Being Normal: Normalization and O
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Chapter 8: Being Normal: Normalizat
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9 SQL Ser ver Storage and Index Str
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Page Splits When a page becomes ful
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The point here is that what happens
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Page Splits — A First Look All of
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You may hear lots of bad things abo
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Navigating the Tree Figure 9-4 As I
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there was no link between the data.
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Root Non-Leaf Level Leaf Level Figu
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The CREATE INDEX Statement The CREA
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FILLFACTOR When SQL Server first cr
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works only if tempdb is on a separa
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Secondary XML Indexes Chapter 9: SQ
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occur, and that one or more non-lea
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isn’t room on the page, SQL Serve
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more administrator oriented and usu
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The Database Engine Tuning Advisor
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The output is far more self-describ
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We use a FILLFACTOR when we need to
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Chapter 9: SQL Server Storage and I
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Chapter 10: Views The preceding syn
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Chapter 10: Views 302 columns to a
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Chapter 10: Views Try It Out Using
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Chapter 10: Views 306 soh.SalesOrde
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Chapter 10: Views AW00000676 43659
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Chapter 10: Views NULL values will
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Chapter 10: Views Editing V iews wi
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Chapter 10: Views 314 There are fou
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Chapter 10: Views Editing Views in
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Chapter 10: Views 318 In addition,
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Chapter 10: Views 320 from the firs
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Chapter 10: Views You can get the y
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11 Writing Scripts and Batches Whet
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Next we have a DECLARE statement to
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I’m not going to pick any bones a
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Using @@IDENTITY @@IDENTITY is one
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How It Works What we’re doing in
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DECLARE @RowCount int; --Notice the
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When the editing tool encounters a
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When you think about it, this seems
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So, let’s try a quick query direc
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We now have our text file source fo
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Let’s build an example in the Adv
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DECLARE @InVar varchar(50); DECLARE
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-- This won’t work DECLARE @Numbe
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-- Now we’re run our conditional
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Out of the condition from inner con
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A Simple CASE A simple CASE takes a
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3 8 More Than One Apart 2 2 Ends Wi
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Now, I don’t know about you, but
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The WAITFOR statement does exactly
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IF @ErrorNo = 2714 -- Object exists
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Chapter 11: Writing Scripts and Bat
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Chapter 12: Stored Procedures Creat
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Chapter 12: Stored Procedures Dropp
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Chapter 12: Stored Procedures Suppl
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Chapter 12: Stored Procedures 374 [
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Chapter 12: Stored Procedures Confi
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Chapter 12: Stored Procedures Now,
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Chapter 12: Stored Procedures SQL S
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Chapter 12: Stored Procedures 382 c
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Chapter 12: Stored Procedures It wo
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Chapter 12: Stored Procedures 386 r
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Chapter 12: Stored Procedures 388 -
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Chapter 12: Stored Procedures Note
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Chapter 12: Stored Procedures 392 n
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Chapter 12: Stored Procedures All t
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Chapter 12: Stored Procedures Sproc
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Chapter 12: Stored Procedures When
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Chapter 12: Stored Procedures 400 @
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Chapter 12: Stored Procedures I’d
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Chapter 12: Stored Procedures match
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Chapter 12: Stored Procedures There
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Chapter 12: Stored Procedures 408 f
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13 User-Defined Functions Well, her
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types!), except for BLOBs, cursors,
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We get back the same set as with th
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AS RETURN (SELECT BusinessEntityID,
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in your relational database. These
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AS BEGIN ( EmployeeID int NOT NULL,
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So, as you can see, we can actually
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Despite being schema-bound, this on
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14 Transactions and Locks This is o
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we are unable or do not want to com
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Figure 14-1 Data needed Data in cac
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Transaction 4 This transaction wasn
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Oops — problem!!! Transaction 2 h
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The only cure for this is setting y
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Exclusive Locks Exclusive locks are
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Also: ❑ The Sch-S is compatible w
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The syntax for switching between th
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As with most things in life, howeve
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purchased. Process 2 records sales;
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Chapter 14: Transactions and Locks
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Chapter 15: Triggers the world’s
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Chapter 15: Triggers WITH ENCRYPTIO
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Chapter 15: Triggers FOR|AFTER The
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Chapter 15: Triggers 458 To illustr
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Chapter 15: Triggers 460 IF EXISTS
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Chapter 15: Triggers ❑ Feeding de
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Chapter 15: Triggers Trigger Firing
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Chapter 15: Triggers Like regular t
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Chapter 15: Triggers The COLUMNS_UP
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Chapter 15: Triggers This is the sa
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Chapter 15: Triggers 472 we have th
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Chapter 16: A Brief XML Primer So,
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Chapter 16: A Brief XML Primer Figu
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Chapter 16: A Brief XML Primer Elem
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Chapter 16: A Brief XML Primer ❑
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Chapter 16: A Brief XML Primer 482
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Chapter 16: A Brief XML Primer Name
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Chapter 16: A Brief XML Primer The
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Chapter 16: A Brief XML Primer 2. W
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Chapter 16: A Brief XML Primer SQL
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Chapter 16: A Brief XML Primer So,
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Chapter 16: A Brief XML Primer If,
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Chapter 16: A Brief XML Primer Note
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Chapter 16: A Brief XML Primer RAW
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Chapter 16: A Brief XML Primer AUTO
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Chapter 16: A Brief XML Primer EXPL
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Chapter 16: A Brief XML Primer Chec
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Chapter 16: A Brief XML Primer The
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Chapter 17: Reporting for Duty, Sir
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Chapter 18: Getting Integrated with
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19 Playing Administrator And so, he
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❑ Write the information to the ev
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Creating Jobs and Tasks Using Manag
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Let’s go ahead and move on to the
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Figure 19-8 Figure 19-9 Chapter 19:
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Figure 19-11 Figure 19-12 Chapter 1
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Backup and Reco very No database-dr
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❑ Differential: This might be ref
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❑ Simple: Under this model, the t
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The older DBCC commands are still s
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many rows inserted over time and th
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Chapter 19: Playing Administrator T
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Appendix A: System Functions In add
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Appendix A: System Functions @@TOTA
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Appendix A: System Functions CHECKS
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Appendix A: System Functions SUM Th
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Appendix A: System Functions The de
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Appendix A: System Functions @@REMS
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Appendix A: System Functions Cert_I
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Appendix A: System Functions Encryp
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Appendix A: System Functions @@FETC
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Appendix A: System Functions CURREN
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Appendix A: System Functions SYSDAT
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Appendix A: System Functions GetRoo
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Appendix A: System Functions The ex
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Appendix A: System Functions RAND T
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Appendix A: System Functions ❑ IN
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Appendix A: System Functions ❑ Is
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Appendix A: System Functions FILEGR
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Appendix A: System Functions INDEX_
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IsCheckCnst IsConstraint IsDefault
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Appendix A: System Functions OBJECT
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Appendix A: System Functions TYPEPR
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Page 688 and 689: Appendix B: Very Simple Connectivit
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Page 700 and 701: cryptographic functions (continued)
Page 702 and 703: defects defects. See well formed XM
Page 704 and 705: EXPLICIT option EXPLICIT option bas
Page 706 and 707: IGNORE_DUP_KEY option (CREATE INDEX
Page 708 and 709: LOWER function LOWER function, 635
Page 710 and 711: online transaction-processing (OLTP
Page 712 and 713: query results query results alphabe
Page 714 and 715: scripts (continued) creating with M
Page 716 and 717: state state, basics of, 391 stateme
Page 720: View Builder View Builder (Manageme
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