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Microsoft Access »
Functions and Expressions
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Microsoft Access / Forms and Reports As we saw in previous lessons, fields are created on a table, then they can be added to a query. Based on the way Microsoft Access deals with fields, a field on a table cannot be created as a combination of other fields, as if it were an expression . 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 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 / Miscellaneous This tutorial covers: Types of queries, Creating a query, The Design view, Adding fields, Defining calculated fields, Forming expressions, Column headings, Changing the order of the fields, Saving the query, Running the query, Modifying the query design, Ordering rows, Selecting rows, Conditions ,Multitable queries, Joining tables and The external join Site: www.teacherclick.com
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Microsoft Access / Forms and Reports Many databases are made of various objects and it is not unusual for one of these objects to contain various fields. If you try to create a form for such an object, you may encounter a big real estate deficiency. Even if you decide to reduce the amount of information on a table, because you still need to follow your customer's goal, you may not have this complete liberty. Therefore, instead of deleting necessary fields, you can one of the various alternatives offered by Microsoft Access. 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 / Gettings Started Introduction (Menu bars, buttons, toolbars, moving around Access),Designing Databases, Creating Tables, Creating and Using Forms, Working with Tables Working with Table Information (Adding, Editing, Deleting, Sorting and Finding Records), Creating Select Queries (Selecting Tables and Fields), Working with Select Queries (Adding, Deleting, Inserting and Moving Fields, Wildcard characters, Multiple Criteria), Creating and Using Reports, Enhancing Forms and Reports |
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Microsoft Access / Functions and Expressions An expression is a combination of data fields, operators, values, and/or procedures destined to produce a new value. There are various types of expressions you will be using in your applications. 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 We have used the concept of a query so far only to create a list of fields that would be considered for a set of records. We also mentioned that a query in Microsoft Access is simply a means of visually representing data. Indeed, a query is based on a SQL statement. As SQL is its own, fully functional language, we can use it to perform far more operations than to only select columns for a query. Site: www.functionx.com
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Microsoft Access / Functions and Expressions Tables are by far the most important part of any database. Tables are where a database stores all of its information. All the other database objectsqueries, forms, reports, pages, and macrosare merely tools to analyze, manipulate, and display the information stored in a table. Any of these other database objects are optionalbut without tables, a database wouldn't be a database. Site: www.brainbell.com
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Microsoft Access / Miscellaneous Data entry consists of typing values in data fields or selecting values from bound controls. Some records happen to have the same value for a particular field, or most records hold a common value for a certain field. When designing a form, you can assign the most commonly used value to such a field so the user would not have to type it. The user would change the value only if it is different from the usual. 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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Microsoft Access / Forms and Reports Forms generally serve to define screens with which to edit the records of a table or query. In this unit we will see how to create a form, and how to operate it for the editing of records and changing its design. Tutorial covers: The form's wizard, Editing the data in a form, The Form design view, The Form design bar, Properties of a form, The Toolbox, Working with controls Site: www.teacherclick.com
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