Database Management Systems Chapter 8 & 9

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Questions and Answers

What does DBMS stand for?

  • Data Broad Management System
  • Data Basic Management System
  • Digital Basic Management System
  • Database Management System (correct)

An example of a DBMS is MS-Excel.

False (B)

What is the role of DBMS in data management?

It serves as an interface between databases and users, allowing for the creation, manipulation, and management of data.

A collection of data that gives information about other data is called ______.

<p>metadata</p> Signup and view all the answers

What does the 'R' in RDBMS stand for?

<p>Relational (D)</p> Signup and view all the answers

DBMS enhances redundancy of data in the database.

<p>False (B)</p> Signup and view all the answers

HTML is a scripting language used to create structured documents.

<p>False (B)</p> Signup and view all the answers

Match the following terms related to databases:

<p>Data = Raw facts and figures Files = Collection of related records Record = A set of related fields Tables = A file in the database in the form of rows and columns Ribbon = Component of Access window which consists of basic commands</p> Signup and view all the answers

Which tag is used to display text as superscript?

<p>sup</p> Signup and view all the answers

A ______ is a column in the table that contains only one type of information.

<p>field</p> Signup and view all the answers

The ALT attribute specifies an alternate text for the ______.

<p>image</p> Signup and view all the answers

Match the following attributes to their descriptions:

<p>BgColor = Defines the background colour of the web page Face = Changes the type of font of the text Noshade = Specifies that the horizontal rule should render in one solid line Src = Specifies the URL of the image Behaviour = Sets how the text will be scrolled within the marquee</p> Signup and view all the answers

Which attribute is used to specify the URL of the image?

<p>Src (D)</p> Signup and view all the answers

Which among the following is not a type of marker in the unordered list?

<p>Rectangle (B)</p> Signup and view all the answers

The align attribute can have the value of 'Bottom'.

<p>False (B)</p> Signup and view all the answers

An ordered list can only be numerical.

<p>False (B)</p> Signup and view all the answers

What is the filename extension of HTML documents?

<p>.html / .htm</p> Signup and view all the answers

The HREF attribute of the ______ tag indicates the destination of the link.

<p>a</p> Signup and view all the answers

The content of the data cell is known as ______.

<p>table data</p> Signup and view all the answers

Match the following attributes with their descriptions:

<p>BgColor = Defines the background colour of rows and columns Cellpadding = Sets space between cell border and cell contents Rowspan = Extends the cells vertically Valign = Defines the vertical alignment of cell contents</p> Signup and view all the answers

Which attribute is responsible for adding more space inside each cell?

<p>Cellpadding (D)</p> Signup and view all the answers

What does the OLE acronym stand for?

<p>Object Linking and Embedding (C)</p> Signup and view all the answers

Design view is the default view of MS-Access.

<p>False (B)</p> Signup and view all the answers

HTML tags are displayed in the web pages.

<p>False (B)</p> Signup and view all the answers

What key do you press to add a new column after typing in the last field of a record?

<p>Tab</p> Signup and view all the answers

A value of zero indicates that there is ______.

<p>no border</p> Signup and view all the answers

The keyboard shortcut to save the table is _____.

<p>Ctrl + S</p> Signup and view all the answers

Match the following data types with their storage requirements:

<p>OLE Objects = Up to about 2 GB Currency = 8 bytes Yes/No = 1 byte AutoNumber = 4 bytes Hyperlinks = Up to 8,192</p> Signup and view all the answers

Which data type generates a unique number for each new record?

<p>AutoNumber (B)</p> Signup and view all the answers

Which tab is used to set a relationship among the tables?

<p>Database Tools (B)</p> Signup and view all the answers

A primary key of one table is known as a foreign key in another table.

<p>True (A)</p> Signup and view all the answers

A primary key ensures that there is no data redundancy inside a table.

<p>True (A)</p> Signup and view all the answers

What view of the form is used to change its layout?

<p>Layout View</p> Signup and view all the answers

What numeric value is stored for False in the Yes/No data type?

<p>0</p> Signup and view all the answers

To create a form, access the ________ tab.

<p>Create</p> Signup and view all the answers

Which of the following is primarily used for printing?

<p>Reports (A)</p> Signup and view all the answers

We cannot edit the tables once a relationship is set between them.

<p>False (B)</p> Signup and view all the answers

Match the following elements with their descriptions:

<p>Fields = A row which displays the selected fields from the table Show = A row which displays the check marks Table = A row which displays the names of the tables from which the fields are selected Criteria = A row which holds the conditions on the basis of which the records will be sorted Sort = A row which is used to sort the data in ascending/descending order</p> Signup and view all the answers

The __________ pane of the Query Design View displays the design grid.

<p>Bottom</p> Signup and view all the answers

Flashcards

DBMS

Database Management System; software used to create, manage, and access databases.

RDBMS

Relational Database Management System; a type of DBMS that organizes data into tables with relationships.

Database

A structured collection of data organized for efficient retrieval and use.

Metadata

Data about data; Describes the characteristics of database data.

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Data Redundancy

Storing the same data in multiple places within a database.

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Data Consistency

Ensuring that the same data is presented the same way across multiple database entries.

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Table (in a database)

An organized collection of data in rows and columns.

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Record (in a database)

A row in a table that represents a single entity or piece of information.

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Data Types

Used to specify the kind of data a field can hold (e.g., numbers, text).

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Currency Data Type

Stores monetary values, with up to 4 digits after the decimal point.

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AutoNumber Data Type

Generates a unique number for each new record.

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OLE Object

Stores data from other applications, including pictures and graphs.

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Yes/No Data Type

Stores True/False values (0 for False, 1 for True).

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Primary Key

Special feature of database systems that ensures uniqueness of records; prevents data redundancy

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Design View

Used to create ,modify and arrange table fields in a database.

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Short Text

Text fields that do not need calculations.

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Relationship between tables

A connection between tables, often using a primary and foreign key, enabling data retrieval.

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Foreign Key in Access

A field in a table that refers to a primary key in another table.

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Query Design in MS Access

Used to extract and manipulate data using specific conditions.

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Form Layout View (MS Access)

Visual view to arrange and format the look of a form, not the data itself.

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MS Access Reports

Used to print data in a formatted view/output.

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Database Tools Tab

Used to set relationships among tables in MS Access.

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Query Design View

View for building database queries to select, sort and output data.

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HTML Tag for Document Content

The tag that encloses all the content of an HTML document.

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GIF Stands For...

GIF stands for Graphics Interchange Format, a popular format for still images and short animations on the web.

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Unordered List Marker Types

Unordered lists in HTML use markers like circles, squares, or discs to visually differentiate list items.

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HTML Tag for Definitions

The tag is used within the tag to define the meaning or explanation of a specific term.

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Tag Stands For...

The tag stands for Anchor, which creates a clickable link in an HTML document.

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HTML Tag for Glossary Definitions

The tag is often used in glossaries to define terms and provide their meanings.

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HTML Tag for Text Formatting

The tag is used to change the appearance of text within an HTML document, such as making it bold or italic.

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HTML Attribute for Link Destinations

The HREF attribute of the tag specifies the target URL for the created link.

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HTML filename extension

The standard file extension for HTML documents, indicating it's a webpage.

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Table data

The content displayed inside a data cell of an HTML table.

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Zero border width

A border width of zero indicates no visible border around an HTML table.

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Align attribute

Defines how an HTML table is positioned on the web page, relative to the browser window.

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Border width

Specifies the thickness of the border surrounding an HTML table.

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BgColor attribute

Defines the background color of rows and columns in an HTML table.

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Rowspan attribute

Extends a table cell vertically, making it span multiple rows.

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Colspan attribute

Extends a table cell horizontally across multiple columns.

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Study Notes

Chapter 8: Database Management Systems (DBMS)

  • DBMS is an acronym for Database Management System
  • DBMS serves as an interface between users and databases
  • It provides programs for creating, extracting, editing, and updating databases
  • DBMS does not form part of Microsoft Office Suite
  • MS-Excel is not a DBMS
  • R in RDBMS stands for Relational
  • DBMS controls data redundancy by ensuring data is stored in only one location
  • DBMS ensures data consistency across the database
  • DBMS provides data independence
  • A database is a systematically organized collection of data and information
  • Metadata describes other data
  • DBMS is application software for creating and managing databases
  • Fields within a table contain only one type of information
  • Modules are software programs used to access databases

Chapter 9: Data Types and OLE

  • Currency data type stores 4 digits to the right of the decimal point
  • AutoNumber data type generates unique numbers for each new record
  • OLE stands for Object Linking and Embedding
  • A 'Yes/No' data type stores 0 for False and 1 for True
  • Tab key is used to add a new column in a record
  • Data Types are used to define the fields of a table
  • "Memo" is a legacy data type for long text
  • Primary key is a feature of a Relational Database Management System
  • Keyboard shortcut for saving a table is Ctrl + S
    • Short text fields do not require calculations
    • Design view is the default view in MS Access
    • OLE objects are used to store graphical elements from other applications
    • Primary Key ensures no data redundancy within a table
  • Users cannot delete the Primary Key from fields

Chapter 10: Relationships and Queries

  • Database Tools tab is used to set relationships among tables
  • Primary Key in one table acts as a foreign key in another
  • Query Design option is available under the Create tab
  • Layout View is used for changing the form's look, whereas Form View is used for data entry
  • Reports are used for printing
  • Relationships between tables are indicated by linking lines
  • Crosstab queries aggregate data across rows and columns
  • Format and Arrange tabs appear in the MS Access Ribbon after creating a form
  • The bottom pane of the Query Design View displays the grid of data in the database
  • The top pane of the Query Design View shows the tables used in the Query.

Chapter 11: HTML Tags and Structure

  • The <BODY> tag contains all content within a structured document
  • GIF stands for Graphics Interchange Format
  • Square and Circle are types of unordered list markers
  • The <DD> tag defines the definition of a term defined in the <DT> tag
  • The <A> tag is an Anchor tag

Chapter 12: Tables and Attributes

  • BgColor attribute defines the background color of rows and columns
  • The <TD> tag defines a table column
  • Cellpadding adds space inside cells
  • Rowspan extends cells vertically; while Colspan extends them horizontally
  • Align attribute is used to horizontally align cell contents and can be set to Left, Right, or Center

Matching Tables (Chapters 8, 9, 10, 11, and 12)

  • Matching tables are provided for various attributes related to data types, database design, tables, querying, and more.

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