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The Oracle 1z1-149 exam consists of 80 questions that must be answered within 105 minutes. The exam questions cover a wide range of topics, including PL/SQL program units, data manipulation, error handling, and performance tuning. Candidates must have a good understanding of these topics to pass the exam. The exam also requires the ability to write and execute PL/SQL code, debug and troubleshoot code, and use SQL Developer and SQL*Plus to interact with the database.

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The Oracle 1z1-149 certification exam is an excellent way to demonstrate your expertise in PL/SQL programming to potential employers. The certification validates your skills and knowledge in developing and managing database applications using PL/SQL on Oracle Database 19c. The certification is recognized globally, making it a valuable asset to your career development. Additionally, the certification indicates that you have invested time and effort into developing your skills, which can set you apart from other candidates in the job market.

Oracle Database 19c: Program with PL/SQL Sample Questions (Q24-Q29):

NEW QUESTION # 24
Which two blocks of code display a numerical zero? (Choose two.)

A. B. C. D.

Answer: B,D

NEW QUESTION # 25
Which three are true about the NOCOPY hint, the PARALLEL ENABLE hint, and the DETERMINISTIC clause? (Choose three.)

A. The PARALLEL_ENABLE clause can be used only in the CREATE FUNCTION statement.B. A function is deterministic if it always returns the same result for a specific combination of input values.C. The PARALLEL_ENABLE clause can be specified for a nested function.D. The NOCOPY hint asks the compiler to pass the actual parameters by reference.E. The NOCOPY hint asks the compiler to pass the actual parameters by value.F. A function defined with the PARALLEL_ENABLE clause may be executed in parallel in a SELECT statement or a subquery in a DML statement.G. A deterministic function's results always depend on the state of session variables.

Answer: B,D,F

NEW QUESTION # 26
Examine the EMPLOYEES table structure:

Now, examine this code:

Which statement is true about the result of executing this block?

A. It will return an error at line 2.B. It will execute successfully provided the salary of EMP_ID 200 does not exceed the value 99999.C. It will execute successfully by rounding up the salary of EMP_ID 200 to the appropriate value.D. It will return an error at line 3.E. It will return an error at line 8.

Answer: B

NEW QUESTION # 27
Which two statements are true about the RETURNING clause when used with DML? (Choose two.)

A. The RETURNING INTO clause returns column values for rows affected by DML statements.B. When using the RETURNING INTO clause, the data returned can be only single column or expression.C. The RETURNING clause can be used for remote or parallel deletes.D. The RETURNING INTO clause and bulk binds may not be used together.E. The RETURNING INTO clause can be used with DML that affects multiple rows, if the BULK COLLECT clause is used.

Answer: C,E

NEW QUESTION # 28
Examine these statements from a block of code:

Which two are true? (Choose two.)

A. The WHERE CURRENT OF clause can be used only if the FOR UPDATE clause is used in the cursor definition.B. Only the PRICE column can be updated in the PRODUCTS table.C. An OPEN c1 command will acquire a lock only on the PRICE column in the PRODUCTS table.D. The lock acquired when executing the OPEN c1 command will be released only after a COMMIT or ROLLBACK statement is issued.E. The FOR UPDATE OF clause can be used only if the WHERE CURRENT OF clause is used in the executable part of the block.

Answer: A,D

NEW QUESTION # 29
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