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Access plan correct answers A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. Alias correct answers An alternative name for a column or table in a SQL statement. ALTER TABLE correct answers The SQL command used to make changes to table structure. When the command is followed by a keyword (ADD or MODIFY), it adds a column or changes column char...

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10 pages

Written in 2022/2023

Grade A+

ProPerfomer

What is a table? -ANSWER A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. What are the characteristics of a relational table? -ANSWER The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an attribute, each column has a distinct name, each inters...

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24 pages

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Grade A+

papersbyjol

Data Management Applications C170 GSA1 Answers | Practice Exam Solutions Domain - answer - In data modeling, the construct used to organize and describe an attribute's set of possible values. Primary key (PK) - answer - An identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. A minimal superkey. Key - answer - One or more attributes that determine other attributes. Determination - answer - The rol...

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17 pages

Written in 2026/2027

Grade A+

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19 pages

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