1z0-149 Practice Test

Review 65 1Z0-149 practice questions with answer explanations and community insights.

Question 1

Which two PL/SQL elements can be deprecated using the DEPRECATE pragma? (Choose two.)

  1. PACKAGES
  2. VARIABLES
  3. ANONYMOUS BLOCK
  4. TRIGGER BODY
  5. DATABASE LINKS

Question 2

Which three are true about functions and procedures? (Choose three.)

  1. The ACCESSIBLE BY clause can be used only for procedures.
  2. In a function, every execution path must lead to a RETURN statement.
  3. Both can have only constants as actual parameters for IN mode parameters.
  4. Both can be invoked from within SQL statements.
  5. In a procedure the RETURN statement cannot specify an expression.
  6. In a function every RETURN statement must specify an expression.

Question 3

Which two are true about Conditional Compilation in PL/SQL using $IF, $ELSE, $END, and $ERROR? (Choose two.)

  1. PL/SQL code can be compiled and executed based on different versions of the operating system.
  2. PL/SQL code can be compiled and executed based on different versions of Oracle.
  3. It is newer syntax that works the same way as 'IF , ELSEIF , ELSE, and END IF'.
  4. Conditional compilation is disabled by default.
  5. The PL/SQL compiler can conditionally include selected parts of a program.

Question 4

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

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

Question 5

Which two are true about INDEX-BY tables? (Choose two.)

  1. The index can be integer or string.
  2. The index can be integer only.
  3. INDEX-BY table types can be created in PL/SQL blocks only.
  4. INDEX-BY table types can be created both with the CREATE TYPE statement and in PL/SQL blocks.
  5. INDEX-BY table types can be created with the CREATE TYPE statement.