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 Microsoft Access / Gettings Started To further enhance your filtering capabilities, you can use Boolean algebra combined with the operators we have used so far. Besides the logical operators we know already, Boolean algebra adds extra operators used to concatenate expression. Site: www.functionx.com
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Microsoft Access / Gettings Started Many techniques allow you to create a database, the fastest of which consists of using one of the provided examples. Microsoft Access 97 shipped with 22 sample databases while Microsoft Access 2000 ships with 10. Furthermore, the 97 version allowed to provide sample data into the database. This is not available with the 2000 release. The databases that ship with Microsoft Access can help you in two main ways: they provide a fast means of creating a database and you can learn from their structure. Site: www.functionx.com
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Microsoft Access / Gettings Started As done for the tables and queries, Microsoft Access provides a central dialog box you can use to create forms: this is the New Form dialog box. Site: www.functionx.com
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Microsoft Access / Gettings Started Once again, since Microsoft Access doesn't inherently provide a programming environment, it relies on logical functions to take care of this aspect. Site: www.functionx.com
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Microsoft Access / Gettings Started Microsoft Access is a computer application used to create and manage computer-based databases on desktop computers and/or on connected computers (a network). Microsoft Access can be used for personal information management (PIM), in a small business to organize and manage all data, or in an enterprise to communicate with servers. Site: www.functionx.com
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Microsoft Access / Gettings Started When examining records on a database, some tables are so wide the user would need to scroll left and right to see fields one screen at a time. Sometimes, the user does not need to see all fields all the time. Microsoft Access allows you to temporarily hide unneeded columns. This feature does not delete records or columns; it only hides them and can display the columns as needed. To hide columns, you have two options. Site: www.functionx.com
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Microsoft Access / Data Manipulation Data entry consist of typing the necessary value in each field. Because a regular database is made of various tables, these objects work as an ensemble to create a product as complete and efficient as possible. Site: www.functionx.com
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Microsoft Access / Data Manipulation Most of your data entry will be performed on forms. This is done to protect your tables from (even unintentional) corruption. This means that, during table design, you should be aware of what table is doing what and why. Site: www.functionx.com
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Microsoft Access / Data Manipulation Data analysis provides the user with the ability to examine a database's records and the overall behavior of its objects. Data analysis is performed on tables, queries, and/or forms. There are two main aspects involved with data analysis: what you provide to the users and what the users may decide to do with data at their disposal. An intermediate to advanced user of Microsoft Access will know how to perform some, most, or all of the operations we will review. Site: www.functionx.com
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Microsoft Access / Data Manipulation When creating relationships among tables, we were selecting the primary key of one table and the foreign key of a dependent table to join them. Once such a relationship is created, you can create a query that combines both tables to create a set of records, also called a record set, or a Recordset, that would include either all records or isolate only the records that have entries. Site: www.functionx.com
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Microsoft Access / Data Manipulation In everyday life, an object is an entity that displays or provides some characteristics that set it apart. These characteristics are used to describe the object. For example, an object called Car has such characteristics as its make, model, color, year made, price, and mileage, etc. When put together, these aspects can be used to get good knowledge of what the object looks like and perhaps how it functions. The same concept is used in computer programming, in database development, and in Microsoft Access. Site: www.functionx.com
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Microsoft Access / Data Manipulation So far, to get acquainted with database fields, we have used two techniques of creating a table and some techniques of adding fields to a form. One of the techniques we used, the Datasheet View, provides a very simplistic way. The Datasheet View is mainly used to perform data entry or to test some fields. Site: www.functionx.com
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Microsoft Access / Data Manipulation As a database is expanding, so are its objects. For example, many of the tables created by the Database Wizard lack some fields that otherwise would not suit a particular scenario. Site: www.functionx.com
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Microsoft Access / Data Manipulation Starting a database from scratch allows you to create and add its different parts as needed. When using this process, the main advantage is that you will exercise as much control as possible on your database because you will be creating all of your objects. Site: www.functionx.com
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Microsoft Access / Data Manipulation So far, to create a query we have learned to use either the Query Wizard or the Design View of a query. In both cases, we were selecting fields and adding them to the query. This concept of building a query is based on the Structured Query Language abbreviated SQL. In fact, all queries are based on SQL and this language is used by most database development environments, including Microsoft Access. Site: www.functionx.com
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