10445+ MCQ Questions in english

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10445+ MCQ Questions in english हिन्दी

1541. What is min(list1), if list is [3, 5, 25, 1,3] is a list?

A. 3

B. 5

C. 25

D. 1

1540. Which command is used in the MySQL editor to import data from a text file?

A. mysql> source text_file_path;

B. mysql> \. text_file_path

C. None of the above

D. A and B Both

1539. The query result can be displayed vertically by terminating the query____?

A. With \V instead of a semicolon

B. With \G instead of a semicolon

C. With \M instead of a semicolon

D. All the above

1538. Which statement should you use to insert numerous records?

A. INSERT INTO job_question VALUES ('col1', 'col2'), ('col1', 'col2'), ...

B. INSERT INTO job_question VALUES ('col1', 'col2'), VALUES ('col1', 'col2'), ...

C. A and B Both

D. None of the above

1537. Which one of the ensuing commands will produce a list?

A. list1 = list()

B. list1 = []

C. list1 = list([1, 2, 3])

D. all of the above

1536. DML is used for _______?

A. Control access to data stored in a database

B. Defining database schema

C. Inserting, Deleting and Updating data

D. None of the above

1535. DDL is used for _______?

A. Manage the changes made by DML statements

B. Defining database schema

C. Control access to data stored in a database

D. None of the above

1534. DCL is used to _______?

A. Manage the changes made by DML statements

B. Inserting, Deleting and Updating data

C. Control access to data stored in a database

D. None of the above

1533. TCL is used for _______?

A. Manage the changes made by DML statements

B. Defining database schema

C. Control access to data stored in a database

D. None of the above

1532. Python's pickling procedure involves______

A. conversion of a Python object hierarchy into byte stream

B. conversion of a datatable into a list

C. conversion of a byte stream into Python object hierarchy

D. conversion of a list into a datatable

1531. Storing the same data in many places is called.

A. Iteration

B. Concurrency

C. Redundancy

D. Enumeration

1530. What is Granularity?

A. The size of data items

B. The size of database

C. The size of record

D. The size of file

1529. Which abstraction level best describes the data that is kept in the database?

A. Physical Level

B. View Level

C. Abstraction Level

D. Logical Level

1528. The problem that occurs when one transaction updates a database item and then the transaction fails for some reason is ________.

A. Dirty Read Problem

B. Temporary Modify Problem

C. Temporary Select Problem

D. None of the above

1527. Data Warehouse provides

A. Transaction Responsiveness

B. Demand and Supply Responsiveness

C. Storage, Functionality Responsiveness to queries

D. None of the above

1526. Which of the following describes how Python's id() function is used?

A. Every object in Python doesn’t have a unique id

B. In Python Id function returns the identity of the object

C. None of the mentioned

D. All of the mentioned

1525. Which of the following is true?

A. A relation in BCNF is always in 3NF.

B. A relation in 3NF is always in BCNF.

C. BCNF and 3NF are same.

D. A relation in BCNF is not in 3NF

1524. Reference integrity has a direct connection to

A. Relation Key

B. Primary Key

C. Unique Key

D. Foreign Key

1523. What does print(math.pow(3, 2)) produce?

A. 9.0

B. None

C. 9

D. None of the mentioned

1522. _____ is the process of extracting previously unknown valid and actionable information from large data to make crucial business and strategic decisions.

A. Data Management

B. Database

C. Data Mining

D. Meta Data

1521. Which of the following statements is NOT true for views in SQL?

A. The select statement used in the view definition cannot include the ORDER BY clause.

B. A view drives its data from the base tables(s)

C. A view is updatable if it has been defined from a single relation

D. A view contains a copy of the data

1520. In SQL, we may use the command to add a new column to an existing table.

A. MODIFY TABLE

B. EDIT TABLE

C. ALTER TABLE

D. ALTER COLUMNS

1519. Relationships between tables are formed in an RDBMS by using

A. Alternate Keys

B. Foreign Keys

C. Candidate Keys

D. Composite Keys

1518. BCNF Stands for

A. Binary-Coded Normal Form

B. Boyce - Codd Normal Form

C. Bit Code Normal Form

D. Boyce Codd Natural Form

1517. The total grade a student receives should not exceed 100. Here is

A. Integrity constraint

B. Referential constraint

C. Over-defined constraint

D. Feasible constraint

1516. The BLOB data type is an acronym for:

A. Binary Large Object

B. Big List Object

C. Binary List Object

D. None of the above

1515. Type data abstraction which allows the conceptual representation of data in a database management system is considered as

A. Logical design model

B. Data model

C. Interface model

D. User friendly model

1514. What would the following Python code produce? print("Hello {0[0]} and {0[1]}".format(('foo', 'bin')))

A. Hello (‘foo’, ‘bin’) and (‘foo’, ‘bin’)

B. Error

C. Hello foo and bin

D. None of the above

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10445+ MCQ Questions in english हिन्दी

1541. What is min(list1), if list is [3, 5, 25, 1,3] is a list?

1540. Which command is used in the MySQL editor to import data from a text file?

1539. The query result can be displayed vertically by terminating the query____?

1538. Which statement should you use to insert numerous records?

1537. Which one of the ensuing commands will produce a list?

1536. DML is used for _______?

1535. DDL is used for _______?

1534. DCL is used to _______?

1533. TCL is used for _______?

1532. Python's pickling procedure involves______

1531. Storing the same data in many places is called.

1530. What is Granularity?

1529. Which abstraction level best describes the data that is kept in the database?

1528. The problem that occurs when one transaction updates a database item and then the transaction fails for some reason is ________.

1527. Data Warehouse provides

1526. Which of the following describes how Python's id() function is used?

1525. Which of the following is true?

1524. Reference integrity has a direct connection to

1523. What does print(math.pow(3, 2)) produce?

1522. _____ is the process of extracting previously unknown valid and actionable information from large data to make crucial business and strategic decisions.

1521. Which of the following statements is NOT true for views in SQL?

1520. In SQL, we may use the command to add a new column to an existing table.

1519. Relationships between tables are formed in an RDBMS by using

1518. BCNF Stands for

1517. The total grade a student receives should not exceed 100. Here is

1516. The BLOB data type is an acronym for:

1515. Type data abstraction which allows the conceptual representation of data in a database management system is considered as

1514. What would the following Python code produce? print("Hello {0[0]} and {0[1]}".format(('foo', 'bin')))

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