Oracle Forms: Oracle Server features
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This document discusses using Oracle server features in Forms applications. It describes useful server features like constraints, triggers, and stored program units. It also covers handling PL/SQL code, trapping server errors, and performing DDL commands using the FORMS_DDL built-in subprograms. Supported PL/SQL8 features in Forms are also identified.
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Oracle APPS :Receivables Auto InvoiceSekhar Byna This document provides an overview of an auto invoice tool used to import and validate data from other financial systems into Oracle receivables. It allows creation of invoices, credit memos, and on-account credits. Key features include an auto invoice purge program, tax calculation functionality, and creation of transactions against commitments. The data flow loads data from a feeder system file into temporary and interface tables, validates the data, and imports valid records into standard Oracle receivables tables. It also describes the interface table structure and assumptions and validations. A concurrent request set is defined to load, validate, and import the data.
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Oracle Forms :Window and CanvasesSekhar Byna This document discusses controlling windows and canvases programmatically in ABAP. It describes using triggers and system variables to interact with windows, manipulating multiple windows and views, and navigating tab style canvases. It provides examples of window and canvas built-ins for tasks like finding, getting and setting properties of windows and canvases, hiding, showing, moving and resizing windows, and working with tab pages.
Oracle Forms Mouse triggers
Oracle Forms Mouse triggersSekhar Byna This document discusses mouse events and triggers in Oracle Forms. It describes how to change the mouse cursor style and define mouse triggers for when the mouse enters or leaves an area, moves, or when mouse buttons are pressed or released. It also lists the system variables that provide information on the mouse position and button state, such as coordinates, item name, and record number. Triggers include when-mouse-enter, when-mouse-leave, when-mouse-move, when-mouse-down, when-mouse-up, when-mouse-click, and when-mouse-doubleclick.
Oracle Forms : Query Triggers
Oracle Forms : Query TriggersSekhar Byna Query processing in forms involves firing pre-query and post-query triggers. A pre-query trigger fires before a query executes and can be used to check or modify query conditions. A post-query trigger fires for each fetched record and can be used to populate additional items and perform calculations. Where clauses from multiple sources are combined with AND and order by clauses are prioritized.
Oracle Forms Triggers
Oracle Forms TriggersSekhar Byna This document discusses using item interaction triggers and built-ins to add functionality to various Oracle Forms items. It provides examples of interacting with push buttons, checkboxes, radio buttons, list items, image items, and hierarchical tree items using triggers like WHEN-BUTTON-PRESSED and built-ins like SHOW_LOV, READ_IMAGE_FILE, and ADD_LIST_ELEMENT. The objectives are to display LOVs from buttons, update item properties based on checkbox or radio button selection, dynamically add or remove list elements, load images into image items, and populate hierarchical tree items using a CONNECT BY query.
Oracle Forms-Canvas types
Oracle Forms-Canvas typesSekhar Byna The document discusses canvases and windows in Form Builder. It describes canvases as surfaces for visual objects and windows as containers. There are different types of canvases including content, stacked, toolbar, and tab canvases. Content canvases occupy the full window by default. Stacked canvases are displayed on top of content canvases. Tab canvases organize information into tabs. The document also outlines properties of canvases and windows.
Oracle Forms: Non input Items
Oracle Forms: Non input ItemsSekhar Byna The document discusses different types of non-input items that can be created in Oracle Forms including display items, calculated items, hierarchical tree items, image items, push buttons, and sound items. Display items display data but do not allow edits. Calculated items display values based on formulas or summaries. Hierarchical tree items allow the display of parent-child relationships. Image items display images stored in files or databases. Push buttons initiate actions rather than display data. Sound items play audio files but are not supported when running Forms applications in a web browser.
Oracle Forms Creation part 3
Oracle Forms Creation part 3Sekhar Byna This document discusses different types of input items in Oracle APEX including text items, checkboxes, radio groups, and list items. It provides information on creating each type of item and their key properties such as data type, label, value, and list of elements. Text items are the default item type and can be used for querying, inserting, updating, and deleting data. Checkboxes represent two states, radios are a set of buttons representing different values, and list items allow selecting from a set of mutually exclusive choices.
Oracle Forms Introduction
Oracle Forms IntroductionSekhar Byna This document provides an introduction to Oracle Forms Builder, a tool used to develop data entry and query screens. It discusses Forms Builder in client/server mode using a 2-tier architecture and in web mode using a 3-tier architecture. The document outlines some key features of Forms Builder including rapid application development, reusable objects, and improved developer productivity. It also provides instructions on setting user preferences and starting Forms Builder.
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Oracle Forms: Oracle Server features
- 1. Using Oracle Server Features In Forms http://blog.ebiztechnics.com
- 2. Objectives • Use Oracle server functionalities in forms • Deal with server-side PL/SQL • Recognize which PL/SQL8 features are supported in forms • Handle Oracle server errors • Perform DDL commands by using the FORMS_DDL built in subprograms http://blog.ebiztechnics.com
- 3. Oracle Server Features Useful Oracle server features: • Declarative constraints • Stored program units • Database triggers • DDL http://blog.ebiztechnics.com
- 4. Dealing with PL/SQL Code • Where to store PL/SQL code: – On the Oracle server – In the attached PL/SQL libraries – In the form itself • Where to call PL/SQL code: – From database triggers – From forms triggers • Application partitioning http://blog.ebiztechnics.com
- 5. PL/SQL8 Support in Forms • Client-side program units cannot support Oracle8i object-related functionality. • Stored program units can use PL/SQL8 features. http://blog.ebiztechnics.com
- 6. PL/SQL8 Scalar Types • NCHAR and NVARCHAR2 • SIGNTYPE • FLOAT • NATURALN • POSITIVEN • PLS_INTEGER http://blog.ebiztechnics.com
- 7. Unsupported Client-side PL/SQL Features • Untrusted external procedures • Object types • Collection types • LOB types • Methods • Objects as stored procedure parameters http://blog.ebiztechnics.com
- 8. Causes for Oracle Server Errors Base Table Block Implicit DML Trigger/PU Explicit DML Stored PU call Form Oracle Server Declarative Constraints Database Triggers Program Units http://blog.ebiztechnics.com
- 9. Trapping Server Errors Base table block On-Error: DBMS_ERROR_CODE DBMS_ERROR_TEXT Explicit DML/PU call When Others: SQLCODE SQLERRM Constraint DB trigger Stored PU Form Oracle Server Predefined message RAISE_APPLICATION_ ERROR RAISE_APPLICATION_ ERROR http://blog.ebiztechnics.com
- 10. FORMS_DDL Built-in • Syntax: FORMS_DDL (statement); • Parameter must be<=32K • Can pass PL/SQL block, DML or DDL statement • Characteristics: – Unrestricted; valid in Enter Query mode – Statement must not contain bind- variable references http://blog.ebiztechnics.com
- 11. FORMS_DDL Built-in • Characteristics: – Statement cannot return results directly – Use FORM_SUCCESS to check success of statement • Hints: – Create SQL Query record group instead of FORMS_DDL for better performance. – Call stored program unit instead of FORMS_DDL http://blog.ebiztechnics.com
- 12. FORMS_DDL Example Example 1: Create a table FORMS_DDL(‘CREATE TABLE t (x number(5))’); IF not FORM_SUCCESS THEN MESSAGE(‘Table creation Failed…’); END IF; Example: 2: Execute Procedure with given name: FORMS_DDL (‘BEGIN ‘ || p_name ||‘; END; ‘); IF not FORM_SUCCESS THEN message(DBMS_ERROR_CODE||’ ‘|| DBMS_ERROR_TEXT); END IF; http://blog.ebiztechnics.com
- 13. Summary • Identify Oracle server features useful for Form Builder • Identify PL/SQL8 supported features • Write PL/SQL code to trap errors raised by the Oracle server – Implicit DML – Explicit DML or stored program units • Perform DDL with FORMS_DDL http://blog.ebiztechnics.com
Editor's Notes
- #7: Note NCHAR stores fixed-length NLS character data. NVARCHAR2 stores variable length NLS character data. SIGNTYPE lets you restrict an integer variable to the values –1, 0 and 1, Which is useful in programming tri-state logic. FLOAT is a subtype of NUMBER. However, you cannot specify a scale For FLOAT variables. You can specify only a binary precision. NATURALN is like subtype NATURAL but prevents the assignment of NULL. POSITIVEN is like subtype POSITIVE but prevents the assignment of NULL. PLS_INTEGER stores signed integers. Its magnitude range is -2147483647…..2147483647. PLS_INTEGER values requires less Storage than NUMBER values. Also, PLS_INTEGER operations use Machine arithmetic, so they are faster than NUMBER and BINARY_INTEGER Operations, which use library arithmetic.
- #12: Note Consider using a query record group with a SELECT statement or Calling a stored program unit, instead of executing FORMS_DDL.