PL/SQL Assessment Test! Trivia Quiz

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  • 1/10 Questions

    What is an exception in PL/SQL?

    • The error handling part of PL/SQL
    • The role part of PL/SQL
    • The joint part of PL/SQL
    • The column part of PL/SQLl
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About This Quiz


PL/SQL assessment test trivia quiz! We have a questionnaire designed for system developers who want to test out just how much they know about the system query languages and how to carry them out. If you feel like you are up to the challenge, take up the quiz and share it with others to see how smart you are compared to them on the topic. All the best!

PL/SQL Assessment Test! Trivia Quiz - Quiz

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  • 2. 
    What is the meaning of PL? - ProProfs

    What is the meaning of PL?

    • Project language

    • Procedural language

    • Purpose language

    • Programming language

    Correct Answer
    A. Procedural language
    Explanation
    A procedural language is a type of programming language that is based on a procedure or a sequence of steps. It focuses on the process of executing a program rather than the data that is being manipulated. In contrast to other types of languages, such as object-oriented or functional languages, procedural languages are more concerned with how a task is performed rather than the overall structure of the program. Therefore, the meaning of PL in this context refers to Procedural language.

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  • 3. 
    What are the two types of cursor in PL/SQL? - ProProfs

    What are the two types of cursor in PL/SQL?

    • Open and Close cursor

    • Implicit and Explicit cursor

    • In and Out cursor

    • Entry and Exit cursor

    Correct Answer
    A. Implicit and Explicit cursor
    Explanation
    Implicit and Explicit cursors are the two types of cursors in PL/SQL. Implicit cursors are automatically created by the Oracle server for DML statements and are used to process SQL statements that are not explicitly declared. On the other hand, Explicit cursors are user-defined and are explicitly declared and used to process SQL statements in PL/SQL code. They offer more control and flexibility compared to Implicit cursors.

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  • 4. 
    What are the two types of exceptions? - ProProfs

    What are the two types of exceptions?

    • Username and password

    • Admin and user

    • System and user

    • User_defined and predefined

    Correct Answer
    A. User_defined and predefined
    Explanation
    The correct answer is "User_defined and predefined." This answer correctly identifies the two types of exceptions in programming. User-defined exceptions are custom exceptions created by the programmer to handle specific error conditions in their code. Predefined exceptions, on the other hand, are exceptions that are already defined in the programming language and can be used to handle common error situations.

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  • 5. 
    A table which is currently being changed by DML is called a... - ProProfs

    A table which is currently being changed by DML is called a...

    • Constraining table

    • Cursive table

    • Moving table

    • Mutating table

    Correct Answer
    A. Mutating table
    Explanation
    A table which is currently being changed by DML is called a mutating table. This term is commonly used in database management systems to refer to a table that is being modified by an ongoing Data Manipulation Language (DML) operation, such as an INSERT, UPDATE, or DELETE statement. When a table is mutating, it means that its data is in a transitional state and cannot be accessed or modified by other concurrent transactions until the DML operation is completed. This is done to ensure data integrity and prevent conflicts or inconsistencies in the database.

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  • 6. 
    Which of these is called a statement in PL/SQL? - ProProfs

    Which of these is called a statement in PL/SQL?

    • Function

    • Table

    • Procedure

    • Exception

    Correct Answer
    A. Procedure
    Explanation
    A procedure in PL/SQL is a named block of code that performs a specific task. It can be called or invoked by other PL/SQL blocks or programs. Procedures are used to encapsulate a series of SQL and PL/SQL statements, allowing them to be reused and modularized. Unlike functions, procedures do not return a value. They are commonly used for tasks such as data manipulation, data validation, and business logic implementation. Therefore, a procedure is considered a statement in PL/SQL.

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  • 7. 
    Which of these activities all rows in a table when enabled? - ProProfs

    Which of these activities all rows in a table when enabled?

    • Trigger

    • Constraints

    • Block

    • Functions

    Correct Answer
    A. Constraints
    Explanation
    Constraints are used to define rules and restrictions on the data in a table. When enabled, constraints ensure that all rows in a table adhere to these rules. They can be used to enforce data integrity, such as ensuring that certain columns have unique values or that foreign key relationships are maintained. Therefore, when constraints are enabled, they apply to all rows in a table, making them the correct answer to the question.

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  • 8. 
    How many data types are available in PL/SQL? - ProProfs

    How many data types are available in PL/SQL?

    • 3

    • 8

    • 4

    • 5

    Correct Answer
    A. 4
    Explanation
    PL/SQL, a procedural language used in Oracle databases, has four data types: NUMBER, VARCHAR2, DATE, and BOOLEAN. These data types allow for the storage and manipulation of different types of data within PL/SQL programs. Therefore, the correct answer is 4.

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  • 9. 
    Variables which are declared in procedure headings and referenced in the procedure body are called... - ProProfs

    Variables which are declared in procedure headings and referenced in the procedure body are called...

    • Variables

    • Procedural variables

    • Actual parameters

    • Formal parameters

    Correct Answer
    A. Formal parameters
    Explanation
    Formal parameters are variables that are declared in the procedure headings and referenced in the procedure body. They are used to pass values between the calling code and the called procedure. In other words, formal parameters act as placeholders for values that will be provided when the procedure is called.

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  • 10. 
    All of these rules applies to nulls while making comparisons except... - ProProfs

    All of these rules applies to nulls while making comparisons except...

    • Null cannot be equal or unequal to other values

    • If a value is null then the expression itself is null

    • Null can only be false

    • Null can only be true

    Correct Answer
    A. Null can only be false
    Explanation
    This answer is correct because null can have three possible states: null, true, or false. Null is not limited to being only false, as it can also be true or simply null. Therefore, the statement "Null can only be false" is incorrect.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 17, 2018
    Quiz Created by
    Cripstwick
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