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microsoft access training - query

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microsoft access training - Query

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Naomi has attended:
Access Intermediate course

Query

What is an outer join query?

RE: Query

Hi Naomi

An Outer join query 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.

Options 2 and 3 represent outer joins.

Regards

Carlos

Access tip:

Random sampling

Data is th key to a good database, therefore checking is essential.

A good way of checking data is by random sampling. You can do this in a query, by typing the follow:
1) In the Field box create a RandonID field eg. Randon Id: Rnd(fieldname])

2) sort the field
3)Right click and chage the properties for To value to be the number of randon records you want to see.

4) Change the set to Show row for Randon ID to be False, add all the other fields you want to see and the run the query.

View all Access hints and tips

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