Which of the adhering to is the most prominent data manipulation language today? A. Access B. DB2 C. SQL D. Crystal Reports E. Hadoop
Relational database solution use ________ come ensure the relationships between coupled tables continue to be consistent. A. Intersection relations B. One-to-one notified C. Entity-relationship diagrams D. Foreign keys E. Referential truth rules
A one-to-many relationship in between two entities is symbolized in a diagram by a line that ends: A. In two short marks. B. In one quick mark. C. V a crow"s foot. D. V a crow"s foot came before by a brief mark. E. In three quick marks.
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The choose operation: A. Combine relational tables to carry out the user with much more information than is otherwise available. B. Creates a subset consist of of columns in a table. C. Identify the table indigenous which the columns will be selected. D. Create a subset consisting of all documents in the paper that meet proclaimed criteria.
Which the the following allows users come add, change, delete, or retrieve data in a database? A. Attribute generation B. Report generation devices C. Data thesaurus D. Query wizard tool E. Data manipulation language
The logical view of a database: A. Shows just how data are organized and structured on the storage media. B. Presents an entry screen to the user. C. Permits the development of supplementary reports. D. Presents data as they would certainly be regarded by finish users. E. Reflects the relationships between entities and also attributes.
Which of the complying with is an automated or manual record that stores information around data elements and data features such as usage, physics representation, ownership, authorization, and security? A. Referential truth module B. Data definition diagram C. Entity-relationship chart D. Relationship dictionary E. Data dictionary
A characteristic or high quality describing an reality is referred to as a(n): A. Field. B. Tuple. C. Crucial field. D. Attribute. E. Table.
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In a relational database, a document is likewise called a(n): A. Tuple. B. An essential field. C. Entity. D. Field. E. Table.
Introduction come Algorithms3rd EditionCharles E. Leiserson, Clifford Stein, Ronald L. Rivest, thomas H. Cormen
Computer Organization and also Design MIPS Edition: The Hardware/Software Interface5th EditionDavid A. Patterson, john L. Hennessy
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