Your database is only as good as the data that's entered into it, and…unfortunately we are all human, and we do make mistakes.…If you've designed your table structure well, you can eliminate a lot of…incorrect data, but not everything.…It's almost inevitable that you'll eventually find some records entered more…than once, with just a few discrepancies between the fields.…Access has a find duplicates query that will allow you to compare records and…identify potential repeats.…Let's say it's the end of the year and it's time to clean up my data.…I can run this query in my Customers table to make sure that no one created two…accounts for the same entity.…
I'll go to the Create ribbon and then click on the Query Wizard.…Click on the Find Duplicates Query Wizard and click OK.…We are going to base our query on the Customers table, so click Next.…Now we have to select the fields.…This is the tricky part.…If you pick one that's likely to have variations like the Address Field you're…less likely to find identical records, and if you picked too many fields just…
Author
Released
2/8/2011- Creating new field with field templates
- Understanding errors
- Filtering data
- Aligning and distributing controls
- Customizing the interface
- Navigating quickly between records
- Speeding up data entry
- Analyzing a table for redundant data
- Creating a multi-field primary key
- Moving records with append and delete queries
- Transforming a query into a PivotTable or PivotChart
- Working with images, charts, and Smart Tags in forms
- Hiding duplicates in reports
- Formatting shortcuts
- Using macros
Skill Level Intermediate
Duration
Views
Related Courses
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Excel 2010: Pivot Tables
with Curt Frye3h 43m Intermediate
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Introduction
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Welcome47s
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1. Top Tips
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Using input masks2m 39s
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Four ways to filter data2m 56s
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2. File Management
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Opening recent files2m 33s
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3. Ribbon and Quick Access Toolbar Tips
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4. Interface Shortcuts
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Right-clicking2m 47s
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Using keyboard shortcuts2m 50s
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5. Navigation Shortcuts
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6. Data Entry and Editing Shortcuts
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Undo and Redo tips2m 18s
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Copying and pasting content2m 44s
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Inserting today's date1m 10s
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Using AutoCorrect1m 36s
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Using concatenated fields2m 16s
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Linking Outlook contacts2m 23s
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7. Table Techniques
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Creating Quick Start fields1m 49s
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Saving application parts2m 43s
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Setting default field types2m 55s
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Using flag fields2m 1s
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Using an index2m 4s
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Filtering by selection1m 25s
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8. Relationship Techniques
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Using subdatasheets1m 27s
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Using relationship reports1m 55s
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9. Query Techniques
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Using wildcards5m 40s
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Using IN instead of OR1m 29s
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Changing captions1m 30s
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Finding duplicate records2m 13s
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Using make-table queries2m 12s
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Creating an update query2m 55s
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Using SQL statements2m 31s
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10. Form Techniques
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Creating option groups2m 43s
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Creating tabbed form layouts4m 45s
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Inserting charts3m 41s
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Creating your own smart tags1m 24s
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Hiding fields in printouts1m 26s
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Setting tab stops3m 41s
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11. Report Techniques
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Creating headers and footers5m 49s
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12. Formatting Shortcuts
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Using the Format Painter2m 25s
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13. Macro and Event Techniques
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Using AutoExec macros1m 53s
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14. Database Management Techniques
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Saving templates2m 10s
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Locking files42s
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Conclusion
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Goodbye44s
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Video: Finding duplicate records