Programming Guide - Actian

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Aglobal • 76passing parameters • 84switching sessions • 196Abs function • 53Absolute value • 53Active framesblocking • 106popup • 108ActiveRow attributescrolling • 239setting • 240ActiveXand external classes • 135Addingcolumns to table field at runtime • 377fields to composite at runtime • 377frames to application at runtime • 396, 399,412images to database • 283rows to array • 216AllBias attribute • 372AllRows attribute • 221Alphanumeric identifiers • 19Applicationsadding frames at runtime • 416attaching frames at runtime • 396communicating using database events • 357controlling execution • 470debugging • 465debugging imaged • 482disconnecting database sessions • 197event queue • 318exiting • 99monitoring • 459naming • 19non-interactive • 111object oriented approach • 120referencing • 21running • 443running multiple • 443sending an event to • 351switching database sessions • 193testing • 443ApplyTemplate utility • 419AppSource system class • 144Arithmetic expressions • 41Array Display Settings dialog • 477Array variablesdeclaring • 209dynamic • 31passing • 101ArrayObject system class_RowState attribute • 212, 219AllRows attribute • 221Clear method • 221declaring • 209Duplicate method • 216Find method • 224FirstRow attribute • 221LastRow attribute • 221RemoveRow methods • 221SetRowDeleted method • 219Sort method • 223Arraysaccessing in 3GL procedures • 299and table fields • 228assigning values • 216changing values • 219declaring • 32declaring data at runtime • 380declaring reference variable • 209defined • 31deleting • 219described • 205display settings • 477duplicating • 216expanding objects • 473finding values • 224inserting rows • 216marking rows deleted • 219multiple references • 216nested • 207passing to 3GL procedures • 298, 300referencing elements • 210retrieving status information • 221searching • 224single column • 212sorting • 223status information • 223table fields • 205updating values • 219Assign dialog • 477Assign Keys dialog • 480Atan function • 53AttributeObject system class • 143502 <strong>Programming</strong> <strong>Guide</strong>
Attributesdefined • 28referencing • 114Autocommitcursors • 187defined • 187Avg function • 60, 61BBatch Applications • 111Bias attributeCurBias • 368using • 366valid value summary table • 366BiasesCurBias attribute • 368described • 365field biases summary table • 366interactive category • 366menu item biases table • 368mode/bias attributes • 372passive category • 366setting • 368, 370Bitmap objectsii_stored_bitmaps database table • 285storing in database tables • 285BitmapObject system class • 285DBHandle attribute • 284described • 282InsertIntoDB method • 284tables for storing • 285using with database • 284Blanks • 54trailing • 54BlocksFrames attribute • 106Boolean expressions • 43break conditions • 446, 448calls • 454errors • 452events • 450methods • 455source • 448threads • 455Break on Event dialog • 451breakpointssetting • 445source breakpoints • 448types • 445Built-in macro variables • 436Byref keyword • 101passing parameters • 103, 105CC function • 51C languagecoding procedures • 82call break conditions • 454setting • 454Call method • 88ProcHandle system class • 88Call Stack window • 460Call system statement • 489Callframe statementBlocksFrames attributes • 106byref • 101described • 100passing parameters • 101popup frames • 108returning values • 101with clause • 106Calling framespopup frames • 108Calling procedures4GL • 84database • 85described • 83dynamically • 84Callproc statement • 74, 295calling procedures • 84returning values • 84Calls Break Conditions tab page • 454Caselowercase function • 54uppercase function • 54Casting • 330described • 139MessageObject attribute • 338CellAttribute system classcreating a table field • 228HasDataChanged attribute • 247individual TableField cells • 233performance • 228turning on • 246Changingarray declarations • 381array values • 219bias • 368Index 503
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Ingres OpenROAD ® 2006Programming
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ContentsChapter 1: Introduction 13I
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Using an Object-oriented Approach t
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How You Can Retrieve Array Informat
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Chapter 12: Managing Event Queues 3
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Chapter 17: Preprocessing Your 4GL
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Chapter 1: IntroductionThis section
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ConventionsConventionsThe following
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Your Support OptionsYour Support Op
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OpenROAD NamesThe rules for these n
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OpenROAD Names3. Enclosing field sc
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OpenROAD NamesThe following code ex
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VariablesThe following illustrates
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VariablesIn the first example, film
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VariablesOpenROAD checks references
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VariablesHow You Can Declare Dynami
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VariablesFor example, assume that y
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ExpressionsHowever, you cannot use
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ExpressionsThe general syntax for h
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ExpressionsCurSessionSpecifies, for
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ExpressionsString OperatorThe conca
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ExpressionsOperatorlikenot likeOper
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Expressions• You can use the esca
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ExpressionsBecause procedures can r
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System-defined FunctionsThis rule h
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System-defined FunctionsNameOperand
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System-defined FunctionsName Operan
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System-defined FunctionsNameshift(c
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System-defined FunctionsSome date f
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System-defined FunctionsThe followi
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System-defined FunctionsCount Funct
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System-defined FunctionsResult Data
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Chapter 3: Writing Scripts and Proc
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ScriptsDeclare local variables that
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ScriptsUserEventSpecifies a user ev
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ScriptsExample—Field and Menu Ite
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ProceduresOpenROAD lets you create
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ProceduresReturning from a Procedur
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ProceduresExample—Local Procedure
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Procedures4GL DataTypedatemoneyfloa
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Calling Procedures• In this call
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Calling ProceduresparameterAssigns
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How Procedure Handles Work (ProcHan
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Compiler LimitationsYou can avoid t
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How You Can Invoke FramesHow the Cu
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How You Can Invoke FramesHow You Ca
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How You Can Invoke FramesFor more i
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How You Can Invoke FramesFor exampl
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How You Can Invoke FramesIf the obj
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How You Can Invoke FramesHow You Ca
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How You Can Invoke Frames• Prompt
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How You Can Invoke FramesThe syntax
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How You Can Run Non-interactive App
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How You Can Reference ObjectsHow Yo
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How You Can Reference ObjectsHow Yo
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How You Can Reference ObjectsUse an
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Using an Object-oriented Approach t
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InheritanceClass RelationshipsYou c
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InheritanceYou can specify a user c
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InheritanceThe Terminate method is
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How You Can Create a User ClassWhen
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How You Can Create a User ClassHow
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How You Can Create a User Class3. G
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How You Can Create a User ClassTo e
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External ClassesHow You Can Use Ext
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External ClassesExample—ActiveX C
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How You Can Manipulate Objects Gene
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Overview of the OpenROAD System Cla
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How You Can Access a Database with
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How You Can Manage TransactionsHow
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How You Can Manage TransactionsDivi
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How You Can Manage TransactionsTo c
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How Programming for Multiple Sessio
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Handling Database ErrorsIn OpenROAD
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Handling Database ErrorsIf a databa
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Handling Database ErrorsFor example
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Handling Database Errorsbeginerr_no
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Arrays and Table Fields—Conceptua
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ArraysBecause an individual attribu
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ArraysDeclaring an array variable d
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ArraysThe following statement puts
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Arraysfor i = custtable.FirstRow to
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ArraysHow You Can Add Rows to an Ar
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ArraysThe inserted row is blank bec
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ArraysThe following code fragment i
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ArraysThese attributes are:AllRowsR
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ArraysAttributes used in a sort can
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ArraysThe format parameter can be a
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Table FieldsTable Fields and Associ
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Table FieldsThe following applicati
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Table FieldsThis syntax references
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Table FieldsFor example, the follow
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Table Field OperationsTable Field C
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Table Field OperationsHow You Can U
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Table Field OperationsWhen you use
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Table Field OperationsBiases can be
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Table Field OperationsThe following
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Table Field OperationsHow You Can T
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Table Field OperationsTableField Me
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Table Field OperationsFor example,
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Table Field OperationsControlling M
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CollectionsCollectionsA collection
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Collections// Open a workbook and p
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Listview_Treeview_DemoImport the De
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Listview FieldsListview FieldsA lis
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Listview FieldsextensionSpecifies a
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Listview FieldsImageIndexSpecifies
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TreeNode and Tree ClassesHeaderClic
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TreeNode and Tree ClassesMaintenanc
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Treeview FieldsHow You Can Build a
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Treeview FieldsThe second window is
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Treeview FieldsThe tree_ex2_class h
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Chapter 9: Working with Images and
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How You Can Work with ImagesThe fol
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How You Can Work with ImagesThe Col
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How You Can Work with ImagesThe Bit
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How You Can Work with Images5. Add
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How You Can Work with Text StringsD
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How You Can Work with Text StringsH
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How You Can Call 3GL ProceduresIn t
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How You Can Use Exec 4GL Statements
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How You Can Link 3GL ProceduresHow
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Sample 3GL ProceduresExec 4GL and E
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How You Can Use Data Entry Error Ha
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Chapter 12: Managing Event QueuesTh
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Event-based ProgrammingThe followin
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Event-based ProgrammingEvent TypesT
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Event-based ProgrammingField Events
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Event-based ProgrammingBecause all
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Event-based ProgrammingThe followin
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Event-based ProgrammingThe resume s
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Event-based ProgrammingNote: The da
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Communicating Between OpenROAD Fram
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How You Can Communicate with an Ext
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How You Can Communicate Between Ope
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How You Can Communicate Between Ope
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Chapter 14: Creating Dynamic Frames
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How You Can Change Field and Frame
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How You Can Create and Modify Field
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How You Can Remove Fields Dynamical
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How You Can Declare a Composite Fie
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How You Can Manipulate Data in Dyna
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How You Can Manage Operations with
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How You Can Build a Frame Dynamical
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Dynamic Statements ConsiderationsDy
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How You Can Write an AssistantNote:
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How You Can Write an AssistantFirst
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How You Can Write an AssistantBecau
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How You Can Ensure Compatibility Be
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Chapter 17: Preprocessing Your 4GL
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PreprocessorGeneral Preprocessor St
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PreprocessorThe #define StatementTh
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Error ProcessingGuidelines for Usin
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Chapter 18: Debugging Your Applicat
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How You Can Test an ApplicationHow
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How You Can Use Break ConditionsTo
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How You Can Use Break Conditions3.
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How You Can Use Break ConditionsWay
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Page 457 and 458: How You Can Log Trace InformationDa
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Page 463 and 464: How You Can Debug Database QueriesT
Page 465 and 466: How Debugging an Application WorksS
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Page 471 and 472: How Debugging an Application WorksW
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Page 475 and 476: How Debugging an Application WorksW
Page 479 and 480: How Debugging an Application WorksL
Page 481 and 482: How Debugging an Application WorksA
Page 483 and 484: Appendix A: SQL Syntax SummaryThis
Page 485 and 486: SQL Syntax Summarygrant all [privil
Page 487: OpenSQL Syntax SummaryOpenSQL Synta
Page 490 and 491: Operating System CommandsThe follow
Page 492 and 493: BitmapObject classThe BitmapObject
Page 494 and 495: external classAn external class def
Page 496 and 497: local variableLocal variables conta
Page 498 and 499: StringObject classThe StringObject
Page 501: Index'' ' (single quotation marks)c
Page 505 and 506: using to copy data • 244using wit
Page 507 and 508: application threads • 444array di
Page 509 and 510: examining values • 473hexadecimal
Page 511 and 512: Gmoney • 51numeric list • 53pad
Page 513 and 514: Namesapplication • 21dynamic •
Page 515 and 516: ReadOps attributesettings • 243Re
Page 517 and 518: concat function • 54functions •
Page 519: event chains • 323event queue •
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