Referential integrity means
Do not enter a value in the foreign key field of a child table if that value does not exist in the primary key of the parent table
Do not enter a value in the primary key field of child table if that value does not exist in the primary key of the parent table
Do not enter a value in the foreign key field of a parent table if that value does not exist in the primary key of the child table
All of above
Correct Answer :
A. Do not enter a value in the foreign key field of a child table if that value does not exist in the primary key of the parent table
Related Questions
What are the columns in a Microsoft Access table called?
Rows
Records
Fields
Columns
If I create Student field in Fees table to store student_id of Students table, then this Student field in Fees table is called:
Foreign key
Native key
Composite key
Primary key
In table design view, which key can be used to switch between the field names and properties panels?
F3
F4
F5
F6
Which of the following is not a field type in Access
Memo
Hyperlink
OLE Object
Lookup Wizard
It is a sign or symbol that specifies, operator, and values that produce a result
operator
query
expression
None of the above
Which of the following store command to retrieve data from database?
Forms
Reports
Queries
Tables
In table design view what are the first column of buttons used for
Indicate Primary Key
Indicate Current Row
Both of above
None of above
What does the show check box in query design window indicate
It indicates whether the field is to be used or not
It indicates whether the field is to be displayed in query result or not
It indicates whether the field names to be displayed in query result or not
None of above
Two tables can be linked with relationship so that the data integrity can be enforced. Where can you find Relationship Command?
Home Tab
Create Tab
External Data Tab
Database Tab
A database object in MS Access that stores a question about the data in database?
Table
Form
Query
Report
An Access database object that is used to enter, view or edit records
Table
Form
Query
Report
Which field type will you select when creating a new table if you require to enter long text in that field?
Text
Memo
Currency
Hyperlink
The third stage in designing a database is when we analyze our tables more closely and create a ___________ between tables
relationship
Join
Query
None of these
It is a query that when run displays its own dialog box prompting you for information, such as
Select
crosstab
Parameter
Append
Both conditions display on the same row in the design grid when ___operator is in use
OR
IN
AND
LIKE
How can you link a table with another so that a field in current table will display values in drop down box from another table while entering data:
Query Wizard
Look up Wizard
Form Wizard
Report Wizard
The expression builder is an access tool that controls an expression___ for entering an expression
Table
Box
Cell
Palette
Which of the following is not a type of relationship that can be applied in Access database
One to One
One to Many
Many to Many
All of above can be applied
To create relationship between two tables
drag the primary key of a table into foreign key of another table
drag the foreign key of a table into the primary key of another table
drag any field from parent table and drop on child table
Any of above can be done to create relationship
You can automatically include all of the field in a table in a query by___ a strike that appear list box in query design view
Clicking
Right clicking
Double clicking
None of the above
A primary key in any table has the properties
Not Null
No Duplicates
Both of above
None of above
To create queries in Access
You can drag and drop fields on query builders
you can type the SQL command in SQL view
You can use query wizard or design view
All of above
Which of the following term is least related to database?
Attributes
Tuples
Relationship
Columns
Which of the following statement is true
Reports can be used to retrieve data from tables and calculate
Queries can be printed in well formatted manner and presented as the information
Queries can include calculated fields that do not exist in table
Reports and forms are similar but forms are use to print but reports to display on screen only
Referential integrity means
Do not enter a value in the foreign key field of a child table if that value does not exist in the primary key of the parent table
Do not enter a value in the primary key field of child table if that value does not exist in the primary key of the parent table
Do not enter a value in the foreign key field of a parent table if that value does not exist in the primary key of the child table
All of above
If you need to edit a relationship
Right click the relationship line and choose Edit Relationship
Double click the relationship line
Both of above
None of above
The database language that allows you to access or maintain data in a database
DCL
DML
DDL
None of above
The two form layout types will display multiple records at one time are tabular and___
columnar
justified
date sheet
pivot table
A database language concerned with the definition of the whole database structure and schema is ________
DCL
DML
DDL
All of above
A search value can be an exact value or it can be
Logical Operator
Relationship
Wild card character
Comparison operation