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Oracle Interview Questions And Answers
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Display item. Image item. List item. Radio Group. User Area item. 08. What is a Navigable item? A navigable item is one that operators can navigate to with the keyboard during default navigation, or that Oracle forms can navigate to by executing a navigational built-in procedure. 09. Can you change the color of the push button in design time? No. 10. What is a Check Box? A Check Box is a two state control that indicates whether a certain condition or value is on or off, true or false. The display state of a check box is always either "checked" or "unchecked". 11. What are the triggers associated with a check box? Only When-checkbox-activated Trigger associated with a Check box. PL/SQL Basiscs of PL/SQL 1. What is PL/SQL ? PL/SQL is a procedural language that has both interactive SQL and procedural programming language constructs such as iteration, conditional branching. 2. What is the basic structure of PL/SQL ? PL/SQL uses block structure as its basic structure. Anonymous blocks or nested blocks can be used in PL/SQL. 3. What are the components of a PL/SQL block ? A set of related declarations and procedural statements is called block. 4. What are the components of a PL/SQL Block ? Declarative part, Executable part and Execption part. Datatypes PL/SQL 5. What are the datatypes a available in PL/SQL ? Some scalar data types such as NUMBER, VARCHAR2, DATE, CHAR, LONG, BOOLEAN. |