Microsoft access query compare two fields


















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Yours takes one. Details required : characters remaining Cancel Submit 1 person found this reply helpful. Was this reply helpful? Yes No. You can run the Find Unmatched Query Wizard to identify unmatched records, but if you want to retrieve the combined set of records, you use the results to create a union query.

You can often approach the problem of overlapping, redundant, or conflicting information by looking for duplicate data in two or more tables. For more information about union queries, or about finding, hiding, or eliminating duplicate data, click the links in the See Also section. Note: Examples in this article use a database that was created by using the Northwind database template. Depending upon your Access version, you can search for Northwind in the Search box, or in the left pane, under Template Categories , click Local Templates.

Under Local Templates , click Northwind sample , and then click Create. Follow the directions on the Northwind Traders page on the Startup Screen object tab to open the database, and then close the Login Dialog window. One the Create tab, in the Queries group, click Query Wizard. On the first page of the wizard, select the table that has unmatched records, and then click Next.

For example, if you want to see a list of Northwind products that have never been sold, select the Products table. On the second page, select the table that is related, and then click Next. To follow the example, select the Order Details table.

You can choose only one field from each table. Verify that the correct fields are matched by reviewing the text in the Matching fields box.

Note that the ID and the Product ID fields may already be selected because of existing relationships built in to the template. On the fourth page, double-click the fields that you want to see from the first table, and then click Next. To follow the example, select the ID and Product Name fields. On the fifth page, you can choose to view the results or to modify the design of your query. In this example, click View the results. Accept the suggested name for the query, and then click Finish.

You may want to modify your query's design to add other criteria, to change the sort order, or to add or to remove fields. For information about modifying a Find Unmatched query, read the following section; or, for more general information about creating and modifying queries, see the links in the See Also section.

You can join the remaining fields after you have completed the wizard. On the fifth page, click Modify the design , and then click Finish. In the query design grid, note that the two tables are joined on the fields in this example, ID and Product ID that you specified on the third page of the wizard.

Create a join for each remaining pair of related fields by dragging them from the first table the table that has unmatched records to the second table. Double-click a join the line connecting the fields to display the Join Properties dialog box. For each join, choose the option that includes all the records from the Products table, and then click OK.

When you create the join between the List Price and Unit Price fields, it restricts output from both tables. Only those records with matching data in the fields in both tables are included in the query results. After you edit the join properties, the join only restricts the table that the arrow points to. All records in the table that the arrow points from are included in the query results. Same as Left Join, except that table1 becomes table2, table2 becomes table1. Assume that we have 2 staff lists, one is and the other is During the year, some employees have transferred to another department.

Now we want to compare difference between these two tables. To fully compare the queries, we need to make 3 comparisons. In Excel, we vlookup in both sides to find out the variance. To create a join, simply drag from field over field. Repeat the above steps for the other two lines.



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