Question 1

Databases store information in records, fields and:

Accepted Answer

Databases store information in records, fields, and tables. Tables organize data in rows (records) and columns (fields), allowing for efficient data management and retrieval.

Question 2

Each data provider class is grouped and accessible through its:

Accepted Answer

Data provider classes are grouped and accessible through their namespace, which organizes classes, interfaces, functions, and other namespaces into a structured hierarchy.

Question 3

In Visual Studio, the tool that enables you to connect to a database and automatically populate a dataset object using a TableAdapter object is the ___________wizard:

Accepted Answer

The Data Source Configuration Wizard in Visual Studio allows you to connect to a database and automatically populate a dataset object using a TableAdapter object, simplifying the process of configuring data access for applications.

Question 4

In XML, a document is a hierarchy of

Accepted Answer

An XML document is a hierarchy of elements, which can contain attributes and tags.

Question 5

Which of the following namespace contains the LINQ to XML?

Accepted Answer

The namespace that contains LINQ to XML is System.Xml.Linq. This namespace provides classes and methods for working with XML using LINQ (Language Integrated Query).

Question 6

LINQ to SQL works with

Accepted Answer

LINQ to SQL is designed to work with Microsoft SQL Server and SQL Server Compact 3.5, allowing for direct manipulation and querying of SQL databases using LINQ syntax.

Question 7

A connection string contains

Accepted Answer

A connection string typically includes the name of the data source among other parameters like server name, database name, user ID, and password, but it does not include using directives, version numbers of the DBMS, or lists of fields in the database.

Question 8

To avoid writing additional SQL statements to update a live database, you instantiate an object of which class?

Accepted Answer

DataAdapter is used to fill a DataSet and update a database without writing additional SQL statements, as it can automatically generate the necessary SQL commands.

Question 9

The following namespaces (System.Data.OleDB, System.Data.SqlClient, System.Data.Odbc, System.Data.OracleClient) include classes for different:

Accepted Answer

These namespaces are associated with different data providers for connecting to various databases (like SQL Server, Oracle, etc.) in ADO.NET.

Question 10

Which of the following is a definition of a database?

Accepted Answer

A database is essentially a collection of related information organized in a way that facilitates data management and retrieval, which is accurately described in option A. Options B, C, and D describe limitations or specific implementations that do not encompass the broad definition of a database.

Question 11

A computer application for managing databases and pulling together data to generate reports and make decisions is known as a(n)

Accepted Answer

A Database Management System (DBMS) is software that allows for the creation, management, and use of databases, facilitating the process of defining, constructing, manipulating, and sharing databases among various users and applications.

Question 12

Which of the following characterizes the relational model for databases?

Accepted Answer

The relational model for databases organizes data into tables, which are structures that consist of rows and columns. This allows for efficient organization, retrieval, and manipulation of data.

Question 13

A field is a

Accepted Answer

A field is a common characteristic or attribute in a table of information, representing a single piece of data for each record.

Question 14

Forms and reports, used for entering and editing records, and for generating useful information in reports are

Accepted Answer

The answer of Forms and reports, used for entering and...

Question 15

A computer application that manages a database, in which different kinds of data are stored in separate tables, is known as a

Accepted Answer

A Relational Database Management System (RDBMS) is designed to manage databases where data is stored in separate tables that are related to each other, hence the term "relational." This allows for complex queries and operations that involve multiple tables.

Question 16

Which of the following are examples of relational database management systems?

Accepted Answer

Microsoft Access and SQL 2000 are examples of relational database management systems (RDBMS), which are designed to manage and query data as a collection of tables with relationships.

Question 17

A unique field which distinguishs a record is known as a

Accepted Answer

The answer of A unique field which distinguishs a record...

Question 18

In a database, a parent-child relationship is also known as a

Accepted Answer

A parent-child relationship in a database is a one-to-many relationship, where a record in one table (the parent) can be associated with one or more records in another table (the children).

Question 19

The field in the child table that links information to the parent table is known as the

Accepted Answer

A foreign key in a child table is used to link to the primary key in the parent table, establishing a relationship between the two tables.

Question 20

ADO.NET is the data access component of Microsoft's .NET framework that enables you to

Accepted Answer

ADO.NET is specifically designed to facilitate database connections and operations (such as queries, updates, and deletions) in .NET applications, including those written in Visual Basic.NET.

Quiz 4: C Programming: Database and ADO.NET