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1z1-149 Frequent Updates & Sample 1z1-149 Test Online

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>> 1z1-149 Frequent Updates <<

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Oracle Database 19c: Program with PL/SQL Sample Questions (Q61-Q66):

NEW QUESTION # 61
Which two are true about implicit data type conversion? (Choose two.)

  • A. Collections can be implicitly converted to records.
  • B. ROWIDS are always implicitly converted to a number when used in a query.
  • C. Comparison between character value and a number value always implicitly converts the character value to the number data type.
  • D. RAW data types are always implicitly converted to a CLOB when used in a query.
  • E. Implicit data type conversion can negatively impact performance.

Answer: C,E

NEW QUESTION # 62
Which two PL/SQL elements can be deprecated using the DEPRECATE pragma? (Choose two.)

  • A. DATABASE LINKS
  • B. VARIABLES
  • C. TRIGGER BODY
  • D. PACKAGES
  • E. ANONYMOUS BLOCK

Answer: A,D

NEW QUESTION # 63
Which two are true about packages? (Choose two.)

  • A. A package definition must have a specification and body.
  • B. Standalone subprograms that reference a package can be compiled only after both the package specification and body are compiled.
  • C. Modifications to a packaged procedure’s body automatically cause recompilation of subprograms that invoke the procedure.
  • D. Variables and cursors defined in a package specification are visible to all subprograms in the same schema that has the package.
  • E. Package specifications can be compiled without their bodies.

Answer: D,E

NEW QUESTION # 64
Which two are true about INDEX-BY tables? (Choose two.)

  • A. The index can be integer only.
  • B. INDEX-BY table types can be created with the CREATE TYPE statement.
  • C. INDEX-BY table types can be created both with the CREATE TYPE statement and in PL/SQL blocks.
  • D. The index can be integer or string.
  • E. INDEX-BY table types can be created in PL/SQL blocks only.

Answer: D,E

NEW QUESTION # 65
Which two statements are true about using the OR REPLACE clause when creating named subprograms? (Choose two.)

  • A. Object privileges to execute a replaced function must be regranted to those users who had the privilege.
  • B. Function based indexes remain usable when replacing the function on which the index depends.
  • C. Object privileges to execute a replaced function are retained by those users who had the privileges.
  • D. This clause can be used only for procedures and functions.
  • E. A function definition can be modified without dropping and re-creating it.

Answer: C,E

NEW QUESTION # 66
……

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