Creating Table and Relationship.pptx

Creating Table and Relationship.pptx - Creating Table and...

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Creating Table and Relationship
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Guidelines for Designing Databases Identify all the fields needed to produce the required information Organize each piece of data into its smallest useful part Group related fields into tables Determine each table’s primary key Include a common field in related tables Avoid data redundancy Determine the properties of each field Bina Nusantara University 2
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Guidelines for Setting Field Properties You must name each field, table, and other object Choose an appropriate data type 3 Bina Nusantara University
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Guidelines for Setting Field Properties The Field Size property defines a field value’s maximum storage size for Text, Number, and AutoNumber fields only Byte Integer Long Integer Single Double Replication ID Decimal Bina Nusantara University 4
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Viewing and Modifying Field Data Types and Formatting Bina Nusantara University 5
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Creating a Table in Design View Bina Nusantara University 6
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Defining a Field in Design View In the Field Name box, type the name for the field, and then press the Tab key Accept the default Text data type, or click the arrow and select a different data type for the field. Press the Tab key Enter an optional description for the field, if necessary Use the Field Properties pane to type or select other field properties, as appropriate Bina Nusantara University 7
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Defining a Field in Design View Bina Nusantara University 8
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