How do you delete duplicate records in Access VBA?

How do you delete duplicate records in Access VBA?

You have to follow this process:

1. Create a SELECT DISTINCT query of records.
2. Create a MAKE TABLE Query.
3. Run the MAKE TABLE Query into Table2.
4. Delete Table1 (and all its relationships)
5. Rename Table2 as Table1.
6. Recreate all relationships.

How do I remove duplicates in a macro?

Step 1: Start the subprocedure by giving a macro code a name. Step 2: Mention the range of data by using the VBA Range object. Step 3: After mentioning the range access VBA “RemoveDuplicates” method. Step 4: First argument in which column we need to remove the duplicate values.

How do I filter duplicates in Access query?

In the Navigation Pane, right-click the table that contains the field, and then click Design View. Select the field that you want to make sure has unique values. In the Field Properties pane at the bottom of the table design view, on the General tab, set the Indexed property to Yes (No duplicates).

How do I remove duplicates from a query?

Remove duplicate rows

1. To open a query, locate one previously loaded from the Power Query Editor, select a cell in the data, and then select Query > Edit. For more information see Create, load, or edit a query in Excel.
2. Select a column by clicking the column header.
3. Select Home > Remove Rows > Remove Duplicates.

How do you remove duplicate values from an array in VBA?

The RemoveDupesColl removes duplicate entries from your VBA arrays with reasonable speed for arrays as large as a couple million entries. Just like the Dictionary method, the Collection method of returning unique elements also has limitations: It converts your array to an array of strings.

How do I remove duplicates in an Access query?

On the Design tab, click Run. Verify that the query returns the records that you want to delete. Click Design View and on the Design tab, click Delete. Access changes the select query to a delete query, hides the Show row in the lower section of the design grid, and adds the Delete row.

How do I show only unique values in an Access query?

Answer: Open your query in design view. Right-click somewhere in the Query window beside a table (but not on a table) and select Properties from the popup menu. Set the “Unique Values” property to Yes.

How do I delete duplicates in postgresql?

Deleting duplicate rows using an immediate table

1. Create a new table with the same structure as the one whose duplicate rows should be removed.
2. Insert distinct rows from the source table to the immediate table.
3. Drop the source table.
4. Rename the immediate table to the name of the source table.