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Forum and Ticket Submissions. Support Options. Product Updates. From the Access designer, you can interactively create a query and specify its type: Delete Query Option when Designing Queries in MS Access and Delete Query Option when Designing Queries in MS Access and Delete Queries let you: Empty a table delete all its records Delete all records with a particular value in a field Delete all records with a range of values in a field Delete records based on criteria in multiple fields Delete records with matching values field s in a joined table.
Only records that satisfy the expression are deleted. Remarks When you use a DELETE query, only the data is deleted; the table structure and all of the table properties, such as field attributes and indexes, remain intact. Important After you remove records using a delete query, you cannot undo the operation. If you want to know which records were deleted, first examine the results of a select query that uses the same criteria, and then run the delete query. Maintain backup copies of your data at all times.
If you delete the wrong records, you can retrieve them from your backup copy. Avoid Deleting Historic Data. Store Historic Records in an Archive Table There may be situations where the amount of data is so large that records should be deleted for performance or database size reasons. Delete Query Examples. Delete Query Fails to Run. Do You have Rights to Delete Records? This can be due to several reasons: The database file is set to Read-only.
None of the data can be modified. Change this at the Windows level. If the database is on a CD, copy it to your hard disk. If you're using Access workgroup security, you may not have rights to delete the data. In this case, login as the administrator or with a user name and password that gives you the appropriate rights. If the tables is linked, you may not have rights to modify the data with the backend data source. Query Fails with This Message: "Could not delete from the specified tables" Assuming you can delete records from your table, your query may fail and display a "Could not delete from the specified tables" error message when you run it: Delete Query Error: Could not delete from the specified tables This error appears when the table is linked to another table's fields, and the linked field s is not the primary key.
Name Unfortunately, the query triggers the warning message when you try to run it. Name This setting can also be set from the query's Property Sheet when editing the query in Design View. Deleting a Table with the Drop Syntax. Hope this helps! News Features. Microsoft Access Query Center.
Retrieving Data. Union All SQL. Action Queries. Statistical Analysis. Source Code Library. SQL Server Upsizing. Additional Resources. Connect with Us. Product Catalog. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services. Privacy policy. If you delete the table, however, the structure is lost. In contrast, when you use DELETE, only the data is deleted; the table structure and all of the table properties, such as field attributes and indexes, remain intact.
Cascade delete operations cause the records in tables that are on the many side of the relationship to be deleted when the corresponding record in the one side of the relationship is deleted in the query. For example, in the relationship between the Customers and Orders tables, the Customers table is on the one side and the Orders table is on the many side of the relationship. Deleting a record from Customers results in the corresponding Orders records being deleted if the cascade delete option is specified.
A delete query deletes entire records, not just data in specific fields. If you want to delete values in a specific field, create an update query that changes the values to Null. This example deletes all records for employees whose title is Trainee.
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