a0107 oracle forms interactive workboo morebook vn 8336

O racle ®

INTERACTIVE WORKBOOK

BOOKS IN THIS SERIES

• Baman Motivala

“Oracle Forms Interactive Workbook”

0-13-015808-9

• Benjamin Rosenzweig & Elena Silvestrova

“Oracle PL/SQL”

0-13-015743-0

• Alex Morrison & Alice Rischert

“Oracle SQL Interactive Workbook”

0-13-015745-7

B AMAN M OTIVALA

Prentice Hall PTR Upper Saddle River, New Jersey 07458

www.phptr.com

INTERACTIVE WORKBOOK

O racle ®

F orms

O racle ®

F orms

®

Introduction xi Acknowledgments xvii About the Author xix Chapter 1 Concepts and Objects 1

LAB 1.1 Oracle Forms Concepts 2

1.1.1 Explain How Oracle Forms Works 4 LAB 1.2 Mandatory Forms Objects 11

1.2.1 Identify Items and Their Types 17 1.2.2 Identify Canvases and Frames 18 1.2.3 Define Base-table Blocks 19 1.2.4 Understand Modules 20 1.2.5 Relate the Mandatory Forms Elements 20 CHAPTER 1 Test Your Thinking 30

Chapter 2 Wizards and Files 31

LAB 2.1 The Data Block and Layout Wizards 32

2.1.1 Use the Data Block and Layout Wizards 42 2.1.2 Reentering the Wizards 43 LAB 2.2 Oracle Forms Files 53

2.2.1 Differentiate Between Source and Executable Files 54 2.2.2 Compile Binary Files into Executable Files 55 2.2.3 Run Executable Files 57 CHAPTER 2 Test Your Thinking 63

Chapter 3 The Development Environment 65

LAB 3.1 The Object Navigator 66

3.1.1 Open and Identify Objects 68 3.1.2 Create and Delete objects 69 3.1.3 Drag & Drop and Cut & Paste Objects 70 3.1.4 Run and Save Forms 72 3.1.5 View Database Objects 72

vii

LAB 3.2 The Property Palette 84

3.2.1 View Properties 86 3.2.2 Change Properties 86 LAB 3.3 The Layout Editor 93

3.3.1 Create and Format Objects 95 3.3.2 Arrange and Size Objects 97 CHAPTER 3 Test Your Thinking 105

Chapter 4 Master-Detail Forms 107

LAB 4.1 Master-Detail Forms 108

4.1.1 Create a Master-Detail Form 110 4.1.2 Work with Master-Detail Forms

and Relations 112 CHAPTER 4 Test Your Thinking 124

Chapter 5 Items 125

LAB 5.1 Text Items and Display Items 126

5.1.1 Create and Define Text Items Without the Wizard 127 5.1.2 Create and Define Display Items 131 LAB 5.2 Buttons, List Items, Radio Groups,

and Check Boxes 143 5.2.1 Create Buttons 147 5.2.2 Put Simple Code Behind Buttons 148 5.2.3 Create List Items 150 5.2.4 Create Radio Groups 153 5.2.5 Create Check Boxes 155 CHAPTER 5 Test Your Thinking 169

Chapter 6 Triggers & Built-ins 171

LAB 6.1 Trigger Basics 172

6.1.1 Use PL/SQL and SQL in Triggers 175 6.1.2 Understand Trigger Scope 176 6.1.3 Categorize Triggers 178 LAB 6.2 Creating Triggers of Various Types 187

6.2.1 Create Query Triggers 189 6.2.2 Create Validation Triggers 192 6.2.3 CreateTransactional Triggers 195 6.2.4 Create Key Triggers 197 LAB 6.3 Forms Built-ins 213

6.3.1 Use Forms Built-ins 216 CHAPTER 6 Test Your Thinking 223

viii Contents

Query Array Sizeproperty, 140–41

QUERY_MASTER_DETAILtrigger, 26,

119–20

Query triggers, 175, 187–88

creating, 189–92

R

Radio Buttonnode, 163

Radio groups, 3, 22, 144–45, 163–65

creating, 153–55

radio buttons in, 165

Radio menu items, 423

Realcoordinate system, 49

Record Group Fetch Sizeproperty,

241

Record groups, and LOVs, 227–28

Record Historywindow, 331–32

Records page, Layout Wizard, 40–41

Relation object:

creation of, 109

and master block, 118

Relations, 25, 107

Report Builder, 404

Reports Runtime, 404, 409

Reusable code, 353–61

PL/SQL libraries, 362–73

program units, 354–61

stored PL/SQL objects, 374–78

Reusable objects, 313–52

subclassing, 80, 314–22

Subclass Informationdialog box,

332–33

subclass objects, 315–17

RUN_PRODUCTbuilt–in, 404, 405

running Oracle reports with, 406–7

RUN_REPORT_OBJECTbuilt–in, 404, 405–6

running Oracle reports with, 407–8

S

Sample schema, xv–xvi

SECONDCAN, 273

SECONDWIN, 273–74

Separators, 424

SET_ALERT_PROPERTYbuilt–in, 359

SET_ALERT_PROPTERYbuilt–in, 257

SET_BLOCK_PROPERTY, 218, 397

SET_built–ins, 214–15, 218–19

SET_CANVAS_PROPERTY, 218

SET_ITEM_PROPERTYbuilt–in, 89, 218

SET_VIEW_PROPERTYbuilt–in, 296

SET_WINDOW_PROPERTYbuilt–in, 218

SHOW_ALERTbuilt–in, 250, 257

Show Errorswindow, 202

SHOW_HISTtrigger, 273, 284

SHOW_LISTbutton, 245

SHOW_LOVbuilt–in, 245–46, 249

SHOW_VIEWbuilt–in, 267, 275, 296, 355

Size Objectswindow, 102 Software requirements, xiii–xiv Source page, LOV Wizard, 229, 236 SQL, using in triggers, 175–76 SQL query page, LOV Wizard, 229–30, 237 Stacked canvases, 287–97

creating/displaying, 289–92 defined, 287–88

INSTRUCTORstacked canvas, 293–94 viewport, 288

Stacked Canvastool, Tool Palette, 293 Stored PL/SQL objects, 374–78

calling, 374–75 moving between database and Forms application, 375

using, 375–77 Style page, Layout Wizard, 40

Subclass Informationproperty, 91,

318, 321, 344 Subclassing, 80, 314–22

Subclass Informationdialog box, 332–33

subclass objects, 315–17

Summary Functionproperty, 139

T TABLE_ITEM_PROMPT_ALIGNMENT, 26 Table page, 35–37

Data Block Wizard, 34–37

Text Colorbutton, 101–2 Text fields, 3

Text items, 3, 22, 126–27 creating/defining without the wizard, 127–30, 133–38

Enabledproperty, 134–35

Text Itemtool, 134 Toolbar canvases, 298–310 creating, 299–302

TOOLBARcanvas, 305–6, 314–15 using in another form, 302–3 Tool Palette, 99–100, 134, 147 Layout Editor, 95

Stacked Canvastool, 293 Transactional triggers, 175, 189 creating, 195–96

Triggers, 2–3, 9, 24–25, 172–212 and canvases, 25

categorizing, 173–75, 178–79

by function, 174–75

by name, 174 and events/items, 4 forms triggers, 9 key triggers, 174, 175, 189, 209–11 creating, 197–99

Onevent triggers, 174

Postevent triggers, 174

466 Index

Preevent triggers, 174

query triggers, 175, 187–88

creating, 189–92

scope, 172–73, 176–77

transactional triggers, 175, 189

creating, 195–96

using PL/SQL and SQL in, 175–76

validation triggers, 175, 188–89

creating, 192–95

Whenevent triggers, 174

Type page, 34

Data Block Wizard, 34

U

Update Layoutproperty, 24, 98, 102–3

Use Securityproperty, 440

Utility toolbar, Layout editor, 94, 283

V

VAL_ALERTalert, 357

Validate Item event, 3

Validating an item, 3

Validation triggers, 175, 188–89

creating, 192–95

Value When Checkedproperty, 165–67

Value When Uncheckedproperty,

165–67

Viewmenu, Form Builder, 423–24

Viewport Heightproperty, 275

Viewports, 266–67

Viewport Widthproperty, 275

Visibleproperty, 133

Visual attributes, 323

behavior of, 330

creating/applying, 325–27

Visual Attribute Typeproperty,

330–31

Commonvalue, 330

Promptvalue, 331

Titlevalue, 331

W WHEN–BUTTON–PRESSEDtrigger, 7–8, 144,

158, 173, 181, 198, 209, 251, 254–55, 272–73, 280–81, 294, 354, 387

WHEN–CHECKBOX–CHANGEDtrigger, 9, 23, 167

WHEN–NEW–FORM–INSTANCEtrigger, 26,

55, 216, 220, 389

WHEN–VALIDATE–ITEMtriggers, 4, 47, 176–77, 179–83, 188–89, 193–94, 204–6,

353, 357–58, 360

WHEN–VALIDATE–RECORDtrigger, 206

WINDOW–CLOSEDtrigger, 3 Windows, 14, 262–69 content windows, 277–86 defined, 262

dialog windows, 262–64, 271 displaying, 265–66

document windows, 262–64, 270 modal windows, 263–64

Multiple Document Interface (MDI) window, 263, 272

styles of, 262 understanding, 267–69 Wizards, 32–52, 107, 288 Data Block Wizard, 32, 33–37, 42–43, 46–50

Layout Wizard, 32, 33, 37–42, 44–46,

48, 50–51 reentering, 43–45

Wrap Styleproperty, 135 Www.oracle.com, 59 Www.phptr.com/phptrinteractive, 4 WYSIWYG, 12–13

Index 467