Testbank For Database Methods Design, Implementation, & Administration

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10) Any attribute that is a half of a key is recognized as a _____. 9) The attribute B is _____ the attribute A if each value in column A determines one and just one worth in column B. 1) _______ logic, used extensively in arithmetic, provides a framework in which an assertion may be verified as both true or false. The ____ relational kind is the “relational mannequin best.” The attribute B is ____ the attribute A if each worth in column A determines one and only one value in column B. The ____ model makes use of the time period connectivity to label the connection types.

_____ is a language based mostly on OO concepts that describes a set of diagrams and symbols used to graphically model a system. The ___ model was developed to permit designers to make use of a graphical tool to look at buildings quite than describing them with textual content. The exterior model is the illustration of the database as “seen” by the DBMS.

In a database context, the word _____ signifies using the same attribute name to label different attributes. The _____ information mannequin makes use of the concept of inheritance. One benefit of a database system over previous data administration approaches is that the database system is considerably much less complex. The database construction in a DBMS is stored as a _____. The time period _____ refers to a corporation of parts that outline and regulate the collection, storage, management and use of data inside a database surroundings. _____ relationships can’t be implemented as such in the relational mannequin.

A ___ is a representation of the relational database’s entities, the attributes within these entities and the relationships between these entities. The ___ is actually a system-created database whose tables store the user/designer-created database characteristics kauai craigslist furniture and contents. 31) The ______ is actually a system-created database whose tables retailer the user/designer-created database characteristics and contents.

The ____ is definitely a system-created database whose tables retailer the user/designer-created database characteristics and contents. The _____ is definitely a system-created database whose tables store the user/designer-created database traits and contents. ___ is the true energy behind the relational database, permitting the usage of impartial tables linked by frequent attributes. If one exists, a data modeler used a ___ as the primary key of the entity being modeled. The extended entity relationship mannequin is typically known as the ___. The DBMS transforms entered information to conform to required information structures.