Designing And Managing Databases

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Question 1
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New tables always open in Design view.

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Question 2
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New tables do not contain any fields.

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Question 3
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When you add a new field,you must give the field a name,but you do not have to assign a data type.

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Question 4
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Field names must be unique and are limited to 32 characters.

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Question 5
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Before adding a new field between an existing field in a table,you must insert a new row.

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Question 6
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When you insert a new row between fields,the new row is inserted below the selected field.

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Question 7
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A primary key is a field that contains a unique value for each record.

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Question 8
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Design view is used to enter records into a table.

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Question 9
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When you make changes to field properties,you must save the table for the changes to be permanent.

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Question 10
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A Short Text field can have a size from 0-50.

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Question 11
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A number field can have seven possible field sizes depending on the number data type.

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Question 12
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The Format property indicates the way a field displays in a table; it doesn't change what is actually stored.

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Question 13
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If you don't select a format,Access uses the Currency format for a number field.

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Question 14
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If a field must have a value you should set the Required property to Yes.

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Question 15
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The process of verifying the accuracy,or integrity,of data is known as data integrity.

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Question 16
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Data integrity rules are included as part of the metadata,the descriptions about what the different data fields represent and their formats.

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Question 17
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One of the key advantages to a database is that the DBMS automatically uses the metadata for the data integrity rules to perform data validation.

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Question 18
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It is possible to create validation rules in Design view,but not in Datasheet view.

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Question 19
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Access checks field validation rules when a user navigates out of a field.

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Question 20
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Expressions written for a record validation rule cannot use the same operators and wildcard characters used in field level validation rules.

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