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microsoft access training - relationships

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microsoft access training - Relationships

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Laura has attended:
Access Introduction course

Relationships

What are Join types?

RE: Relationships

Hi Laura

An Inner join is a join that selects only those records from both database tables that have matching values.

Records with values in the joined field that do not appear in BOTH of the database tables will be excluded from the query.

An Outer join selects all of the records from ONE database table and ONLY those records in the second table that have matching values in the joined field.

Option 1 in the dialog box is the inner join (the default in Microsoft Access).

Options 2 and 3 represent outer joins.

Regards

Carlos

Access tip:

Open A Combo Box Automatically

This is helpful if users need to enter large amounts of data. There are two ways to open ComboBoxes when they get the focus by using the tab keys.

When the ComboBox gets focus:

Press Alt + Down Arrow on the keyboard

For it to happen automatically, needs a bit of coding:

1. Add a combo box and a text box control to the form
2. Set the combo box's On Got Focus property to the following event procedure:

Private Sub ComboBoxName _GotFocus()

Me!ComboBoxName.Dropdown

End Sub


3. Open your form in Form View and use the TAB key to make sure it works.

View all Access hints and tips

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