® Microsoft Access 2010 Tutorial 9 Using Action Queries and Advanced Table Relationships.
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Transcript of ® Microsoft Access 2010 Tutorial 9 Using Action Queries and Advanced Table Relationships.
![Page 1: ® Microsoft Access 2010 Tutorial 9 Using Action Queries and Advanced Table Relationships.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5519b4995503467a578b474a/html5/thumbnails/1.jpg)
®
Microsoft Access 2010
Tutorial 9
Using Action Queries and Advanced Table Relationships
![Page 2: ® Microsoft Access 2010 Tutorial 9 Using Action Queries and Advanced Table Relationships.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5519b4995503467a578b474a/html5/thumbnails/2.jpg)
XPXPXPObjectives• Create an action query to create a table• Create action queries to append, delete, and
update data• Define many-to-many and one-to-one
relationships between tables• Learn about joining tables• Join a table using a self-join• View and create indexes for tables
New Perspectives on Microsoft Access 2010 2
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XPXPXPAction Queries
New Perspectives on Microsoft Access 2010 3
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XPXPXPAction Queries• An action query is a query that adds, changes,
or deletes multiple table records at a time–Make-table query–Append query• History table
–Delete query–Update query
New Perspectives on Microsoft Access 2010 4
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XPXPXPCreating a Make-Table Query• Create a select query with the necessary fields
and selection criteria• In the Results group on the Design tab, click
the Run button to preview the results• Switch to Design view to make any necessary
changes to the query. When the query is correct, click the Make Table button in the Query Type group on the Design tab
New Perspectives on Microsoft Access 2010 5
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XPXPXPCreating a Make-Table Query• In the Make Table dialog box, type the new
table name in the Table Name box. Make sure the Current Database option button is selected to include the new table in the current database; or, click the Another Database option button and enter the database name in the File Name box. Then click the OK button
• Click the Run button, and then click the Yes button to confirm the creation of the new table
New Perspectives on Microsoft Access 2010 6
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XPXPXPCreating a Make-Table Query
New Perspectives on Microsoft Access 2010 7
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XPXPXPCreating an Append Query• Create a select query with the necessary fields and
selection criteria• In the Results group on the Design tab, click the Run
button to preview the results• Switch to Design view to make any necessary changes
to the query. When the query is correct, click the Append button in the Query Type group on the Design tab
New Perspectives on Microsoft Access 2010 8
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XPXPXPCreating an Append Query• In the Append dialog box, select the table name in
the Table Name box. Make sure the Current Database option button is selected to include the new table in the current database; or, click the Another Database option button and enter the database name in the File Name box. Then click the OK button. Access replaces the Show row in the design grid with the Append To row
• Click the Run button, and then click the Yes button to confirm appending the records to the table
New Perspectives on Microsoft Access 2010 9
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XPXPXPCreating an Append Query
New Perspectives on Microsoft Access 2010 10
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XPXPXPCreating a Delete Query• Create a select query with the necessary fields and
selection criteria• In the Results group on the Design tab, click the Run
button to preview the results• Switch to Design view to make any necessary changes
to the query. When the query is correct, click the Delete button in the Query Type group on the Design tab. Access replaces the Show and Sort rows in the design grid with the Delete row
• Click the Run button, and then click the Yes button to confirm deleting the records
New Perspectives on Microsoft Access 2010 11
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XPXPXPCreating a Delete Query
New Perspectives on Microsoft Access 2010 12
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XPXPXPCreating an Update Query• Create a select query with the necessary fields
and selection criteria• In the Results group on the Design tab, click
the Run button to preview the results• Switch to Design view to make any necessary
changes to the query. When the query is correct, click the Update button in the Query Type group on the Design tab. Access replaces the Show and Sort rows in the design grid with the Update To row
New Perspectives on Microsoft Access 2010 13
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XPXPXPCreating an Update Query• Type the updated values in the Update To
boxes for the fields you want to update• Click the Run button, and then click the Yes
button to confirm changing the records
New Perspectives on Microsoft Access 2010 14
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XPXPXPMany-To-Many Relationship
New Perspectives on Microsoft Access 2010 15
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XPXPXPRelationships Between Database Tables
New Perspectives on Microsoft Access 2010 16
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XPXPXPRelationships Between Database Tables
New Perspectives on Microsoft Access 2010 17
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XPXPXPDefining M:N and 1:1 Relationships Between Tables
New Perspectives on Microsoft Access 2010 18
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XPXPXPJoining Tables• An inner join is a join in which the DBMS
selects records from two tables only when the records have the same value in the common field that links the tables
New Perspectives on Microsoft Access 2010 19
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XPXPXPJoining Tables• An outer join is a join in which the DBMS
selects all records from one table and only those records from a second table that have matching common field values
New Perspectives on Microsoft Access 2010 20
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XPXPXPCreating a Self-Join• Click the Create tab on the Ribbon• In the Queries group on the Create tab, click
the Query Design button• In the Show Table dialog box, double-click the
table for the self-join, double-click the table a second time, and then click the Close button
• Click and drag the primary key field from one field list to the foreign key field in the other field list
New Perspectives on Microsoft Access 2010 21
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XPXPXPCreating a Self-Join• Right-click the join line between the two
tables, and then click Join Properties to open the Join Properties dialog box
• Click the first option button to select an inner join, or click the second option button or the third option button to select an outer join, and then click the OK button
• Select the fields, specify the selection criteria, select the sort options, and set other properties as appropriate for the query
New Perspectives on Microsoft Access 2010 22
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XPXPXPCreating a Self-Join
New Perspectives on Microsoft Access 2010 23
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XPXPXPViewing a Table’s Existing Indexes• Open the table in Design view• To view an index for a single field, click the
field, and then view the Indexed property in the Field Properties pane
• To view all the indexes for a table or to view an index consisting of multiple fields, click the Indexes button in the Show/Hide group on the Design tab
New Perspectives on Microsoft Access 2010 24
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XPXPXPViewing a Table’s Existing Indexes
New Perspectives on Microsoft Access 2010 25
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XPXPXPCreating an Index• Open the table in Design view• To create an index for a single field, click the
field, and then set the Indexed property in the Field Properties pane
• To create an index consisting of multiple fields, click the Indexes button in the Show/Hide group on the Design tab, enter a name for the index in the Index Name box, select the fields in the Field Name box, and then set other properties as necessary for the index
New Perspectives on Microsoft Access 2010 26
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XPXPXPCreating an Index
New Perspectives on Microsoft Access 2010 27