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Oracle 1Z0-147 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Advanced PL/SQL Features | - Collections (associative arrays, nested tables) - Records and complex data types |
| Exception Handling | - Predefined exceptions - User-defined exceptions |
| SQL Fundamentals | - Joins and set operations - Basic SELECT statements and filtering |
| PL/SQL Fundamentals | - PL/SQL block structure - Variables and data types |
| Triggers | - DML triggers - Trigger timing and events |
| Stored Procedures and Functions | - Parameters and return values - Creation and execution |
| Packages | - Package specification and body - Advantages of packages |
| Cursors | - Implicit and explicit cursors - Cursor FOR loops |
| Control Structures | - Loops (FOR, WHILE, LOOP) - Conditional statements (IF, CASE) |
Oracle9i program with pl/sql Sample Questions:
Question #1
Which statement about triggers is true?
A. You use INSTEAD OF trigger to fire when a SELECT statement occurs.
B. You use a database trigger to fire when an INSERT statement occurs.
C. You use an application trigger to fire when a DELETE statement occurs.
D. You use a system event trigger to fire when an UPDATE statement occurs.
Question #2
You are about to change the arguments of the CALC_TEAM_AVG function.
Which dictionary view can you query to determine the names of the procedures and functions that
invoke the CALC_TEAM_AVG function?
A. USER_SOURCE
B. USER_DEPENDENCIES
C. USER_PROC_DEPENDS
D. USER_REFERENCES
Question #3
Which two statements about packages are true? (Choose two)
A. You can achieve information hiding by making package constructs private.
B. You can pass parameters to packages.
C. The contents of packages can be shared by many applications.
D. A package is loaded into memory each time it is invoked.
E. Packages can be nested.
Question #4
When creating a function in SQL *Plus, you receive this message:
"Warning: Function created with compilation errors."
Which command can you issue to see the actual error message?
A. SHOW ALL_ERRORS
B. SHOW ERRORS
C. SHOW USER_ERRORS
D. SHOW FUNCTION_ERROR
Question #5
Which two statements about the overloading feature of packages are true? (Choose two)
A. Overloading allows different subprograms with the same name, but different in either number, type or order of parameters.
B. Overloading allows different functions with the same name that differ only in their return types.
C. Overloading allows different subprograms with the same name and same number or type of parameters.
D. Only local or packaged subprograms can be overloaded.
E. Overloading allows different subprograms with the same number, type and order of parameters.
Solutions:
| Question #1 Correct Answer: A,B | Question #2 Correct Answer: B | Question #3 Correct Answer: A,C | Question #4 Correct Answer: B | Question #5 Correct Answer: A,D |
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