Oracle - Records MCQ

Oracle – Records

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1. What are records in PL/SQL primarily used for?

Storing binary data

Storing numeric values

Storing character data

Storing multiple values as a single unit

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2. What is a key benefit of using records in PL/SQL?

Flexibility in data storage

Simplicity of code

Improved query performance

Enhanced security

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3. How do you declare a record in PL/SQL?

Using the DECLARE RECORD statement

Using the RECORD keyword

Using the NUMBER datatype

Using the TABLE datatype

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4. What is the purpose of programmer-defined records in PL/SQL?

To simplify code

To create custom data structures

To declare variables

To store character data

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5. In PL/SQL, how can you work with records?

By using INSERT statements

By using UPDATE statements

By using SELECT statements

By using assignment statements

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6. When comparing records in PL/SQL, what is compared by default?

The first field of the records

The memory location of the records

The last field of the records

The entire record structure

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7. What are trigger pseudorecords in PL/SQL?

Records used in PL/SQL functions

Records that mimic other records

Records used in select statements

Records used in database triggers

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8. What is the primary use of records in PL/SQL?

To perform calculations

To store character data

To store binary data

To group related data items

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9. What advantage do records offer when compared to individual variables in PL/SQL?

Records consume less memory

Records are easier to declare

Records are always initialized

Records can store multiple values

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10. In PL/SQL, how can you declare a programmer-defined record type?

By using the TYPE keyword

By using the VARCHAR2 datatype

By using the DECLARE RECORD statement

By using the NUMBER datatype

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11. How do you assign values to individual fields within a record in PL/SQL?

By using the SELECT statement

By using the UPDATE statement

By using the assignment operator (:=)

By using the ASSIGN statement

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12. What is the primary purpose of comparing records in PL/SQL?

To compare specific fields within records

To check if records have the same memory location

To determine the number of records

To check if records are empty

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13. In PL/SQL, which keyword is used to define trigger pseudorecords?

ROW

RECORD

TRIGGER

PSEUDORECORD

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Oracle – Records MCQ