Download Databases with Access: Learning Made Simple by MOIRA Stephen PDF

By MOIRA Stephen

This convenient textbook covers all you want to be aware of to start to exploit databases comparable to Microsoft Access.Learning Made uncomplicated books provide readers abilities with out frills. they're matched to the most skills, and written by way of skilled academics and authors to make frequently tough matters easy to profit. each publication is designed conscientiously to supply bite-sized classes matched to newcomers' wishes. construction at the multi-million good fortune of the former sequence Made uncomplicated Books, studying Made basic titles offer either a brand new vibrant method to research and an invaluable adjunct to any education path. utilizing complete color all through, and written via top lecturers and writers, studying Made easy books might help readers research new abilities and enhance their skills. even if learning in school, education at paintings, or studying at domestic, aiming for a qualification or just getting in control, studying Made easy books will provide readers the good thing about effortless, well-organised education fabrics in a convenient quantity with or four-page sections for every subject for ease of use. *Learning Made uncomplicated, a colorful method of aid self-study and coaching classes alike *Written by way of skilled running shoes for green newcomers to prevail, matched to major skills

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Extra info for Databases with Access: Learning Made Simple

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4 Select Design View 5 24 in the Data- Click OK Data types There are 10 different data types to choose from when setting up your table structures. The data types you will use most often are described here. Data Type Usage Size Notes Text Alphanumeric data up to 255 bytes Default data type Number Numeric data 1, 2, 4 or 8 bytes Date/Time Dates and times 8 bytes Date and time values for the years 100 through to 9999 Currency Monetary data 8 bytes Accurate to 4 decimal places and 15 digits to the left of the separator AutoNumber Unique long integer generated by Access for each new record 4 bytes Cannot be updated; useful for Primary Key fields Yes/No 1 bit Fields that contain one of two values – Yes/No, On/Off, True/False.

51 Using Datasheet view Once you have set up the structure of your table(s) and set the relationships, the next stage is data entry. The table should be displayed in Datasheet view rather than Design view for this. In Datasheet view, each column of the table is a field and each row is a record. Try entering some records into your table using your Christmas Card List database. 4 2 Display Tables Select and click Open 3 Basic steps 1 2 3 Open the database file. Display the Tables in the Database window.

One-To-One Both of the fields are primary keys or have unique indexes. In this relationship type, each record in the first table can have only one matching record in the second, and vice versa. One-to-one relationships are sometimes used to divide a table that has many fields, or to isolate some fields for security reasons. This type of relationship is not very common. Indeterminate Neither of the related fields are primary keys nor have unique indexes. A record in the first table can have many matching records in the second, and a record in the second can have several matching records in the first.

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