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In a relational database, relationships are implemented by having common columns into or more tables.
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Each column in a table of a relational database should have a distinct name.
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A primary key always comprises a single column
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You can indicate a tables primary key by underlining the column or collection of columns that comprises the primary key for each table in the database.
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The process of determining the particular tables and columns that will comprise a database is known as ____.
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A ____ is the association between entities.
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A(n) ____ is a property of an entity.
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FieldAttributeColumnALL OF THE ABOVE
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In a relational database each ____ should be unique.
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RowRecordTupleALL OF THE ABOVE
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There is a commonly excepted shorthand representation to show the structure of a relational database; after the name of the table, all the columns in the table are listed within a set of ____.
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A field is another term for a(n) ____.
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A record is another term for a(n) ____.
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Which of the following symbols is used to qualify column names?
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Which of the following is the primary key of the ORDER_LINE (ORDER_NUM, ITEM_NUM, NUM_ORDERED, QUTED_PROCE) table?
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ORDER_NUM and ITEM_NUMThe terms are underlined ^^^
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A relation is in ___ if it does not contain any repeating groups.
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____ is the duplication of data.
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____ is one of the categories of update anomalies.
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A ____ column is a column that is not part of the primary key.
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____ can occur when there is a column in a table that is dependent on only a portion of the primary key.
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Any column (or collection of columns) that determines another column is called a ____.
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In this text, Boyce-Codd normal form is the same as ____.
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In an entity-relationship (E-R) diagram, ____ are used to represent an entity.
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In an entity-relationship (E-R) diagram, one-to-many relationships between entities are drawn as ____.
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A(n) ___ is a person, place, thing, or event for which you want to store and process data.
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A(n) ___ is the association between entities.
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A relational database is a collection of ___.
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In a relation, the ___ of the rows and columns is immaterial.
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A ___ is another name for a record or a row.
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When you write a column in the format CUSTOMER.REP_NUM, you say that you ___ the column name.
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In a relational database, column B is ___ on another column A, if at any point in time a value for A determines a single value for B.
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Functionally dependent
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The ___ Key of a table (relation) is the column or collection of columns that uniquely identifies a given row in that table.
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A relation is in ___ normal form if it does not contain any repeating groups.
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A(n) ___ column is a column that is not part of the primary key.