Office File Recovery

How to Use Aggregate Queries in MS Access

This article explains salient aspects about Aggregate queries in MS Access, what are the operations is offers, and how to make use of them. In MS Access you might want to perform calculations on not just a single record, but a group of records. You can always create fields that perform calculations row by row or on each record, but what happens when you wish to perform calculations on a group of records? This is where Aggregate queries come into picture. These queries allow you to calculate...

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How to Use Wildcards in MS Access

In this article we learn about the Wildcards present in MS Access, their types, and features. In Access databases it is common for us to look for similar data. When you are looking to locate locating a set of similar looking values, the Wildcards in MS Access come handy. These are a form of special characters that replace all these unknown values and can find items with similar characters. The important point to note about these wildcards is that they can be used for locating similar values...

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Why One Should Use Queries instead of Calculated Fields for Access Tables

The article explains why the users should avoid using calculated fields in the database and instead use Queries. MS Access allows its users to create calculated columns (field type) in the table design to perform various calculations, but more often it breaks the rules of normalization. It is therefore recommended to use Queries instead of calculated fields. This article will elaborate this point in detail. Calculated Fields in MS Access Calculated fields are integral part of the...

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