Access Section 2 – Flashcards
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What happens when you reduce the size of a field in an Access table that already has data entered in it?
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A warning message is displayed stating that some data could be lost if the changes are saved.
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When you enter a description for the fields in your table, the descriptive text appears ____ when you are adding records to a datasheet or form.
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above the Status bar
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The default value for a Short Text data type is ____ characters.
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255
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What should you do if you need to make structural changes to a table that has a relationship with another table?
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Delete the relationship, make the changes, and then recreate the relationship.
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Delete more than one field in a table by using this feature to select multiple fields and delete all of them in one operation.
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field selector bar
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When two tables are joined on each table's primary key field, the join is known as a ____ relationship.
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one-to-one
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With a table in Design View, you can move a field by
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clicking in the field selector bar and dragging the field to a new position
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This property stores descriptive titles for fields and is useful if you abbreviate a field name or want to show spaces between words in a compound field name.
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Caption
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Which of the following characteristics do the Memo, Date/Time, Currency, and Yes/No data types have in common?
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There is no field size property available for them.
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Suppose Access prevents you from entering a value in the foreign key field of a related table because that value does not exist in the primary key field of the primary table. Access has just enforced a concept known as
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referential integrity.
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What is the maximum character length of a field name?
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64
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When a field in a table is deleted, it
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cannot be undeleted with the Undo command.
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When two tables are joined, you can view the records of the related table from within the primary table datasheet by displaying a
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subdatasheet
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How is creating a table in Design view different from creating a table in Datasheet view?
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Access does not automatically add the primary key ID field in Design view.
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In a one-to-many relationship, a common field is used to join tables. On the "one" side of the relationship, the field is called the ____, while on the "many" side of the relationship, it is called the ____.
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primary key; foreign key
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How do you start the Input Mask Wizard?
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Click the Build button in the Input Mask property box for the desired field
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A ____ field is used when you want to restrict the data entered into the field to a list of values.
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lookup
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On which tab will you find the button used to add fields to a table?
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TABLE TOOLS DESIGN
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To restrict the values in a Lookup table to just those values contained in the drop-down list, change the setting in the
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Limit To List property box to Yes.
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Which of the following input mask codes requires the field to contain an entry, and the entry must be a letter, A through Z?
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L
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Access is called a relational database management system because of the relationships that can be established among
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tables.
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Design view is used to ____ a table.
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create or modify the structure of
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A(n) ____ displays a pattern in the datasheet or form indicating how data is to be entered into the field.
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input mask
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You want to ensure that a matching record exists in the primary table when you add a record to the related table. What step should you take?
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Turn referential integrity on.
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The two field properties associated with validating field entries are
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Validation Rule and Validation Text.
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What happens when you define a validation rule for a field that already contains data?
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Access displays a message warning that some data may not be valid.
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_____ are used to control the behavior or interactivity of the field in database objects.
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Field properties