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acme corp is located in toledo ohio they would like to create a network and divide it into 3 subnets each subnet has 150 computers the it plan calls
ssk software corporation has opened an office in toledo ohio the office will have a wireless wi-fi wlan and a corporate wired ethernet lan
after powering up his pc bob notices the pc was not able to properly connect to network devices he obtained the following information from his
the following information was obtained from a hostip address205133127824default gateway 2051331271dns server13910011010hosts file entrys1311831040
when are they useful justify with an examplethe temporary tables are commonly used to support specialized rollups or exact application processing
what are temporary tables temporary tables exist solely for a particular session or whose data persists for the duration of the
explain everything you can tell from the followinga 00-01-00-01-13-fd-f4-c0-00-1e-33-92-ce-99b fe802c1e18af749b91c512c 20028b646e3a8b646e3ad
explain outer joinouter join - if there are any values in one table which do not have corresponding values in the other in an equi-join which will
1 bob has been given the task of changing the ip address and enabling telnet access on a cisco 2950 enterprise switchthe current ip address is
explain natural joinnatural join - similar as equi-join except in which the join attributes having similar names are not involved in the resulting
what is equi joinequi join - it generates all the combinations of tuples from two relations which satisfy a join condition along with only equality
what is theta join explaintheta join - the theta join operation is an extension to the natural-join
define a view and a trigger construct a view for the above relations that have the information about suppliers and the elements they supply the view
consider the following relations s s sname status city sp s p qty p p pname color weight citygive an expression within sql for each of
what are the advantages of embedded query language give an example of an embedded sql queryembedded query language - sql could be implemented within
explain entity integrity and referential integrity rules within relational model show how these are realized in sqlentity integrity rule - no primary
define the five basic operators of relational algebrafive basic operators of relational algebra are1 union cupcupcupcup - selects tuples which are in
how does oracle act as odbc and give examples of front end uses with odbcodbc achieve portability at the level of the executable by introducing an
what is odbc odbc - open database connectivity which is also denoted by odbc enable the integration of sql along with a common-purpose programming
consider the subsequent relation schemes project project projectname chiefarchitect employee emp empname assignedto project emp give
question 34 by experimentation work out the lowest snr under which 4 users can si- multaneously communicate without error via this system for
differentiate between logical database design and physical database design show how this separation leads to data independencebasislogical database
what is foreign keyforeign key - let there are two relations in tables r and s any candidate key of the relation r that is referred in the relation s
what is candidate keycandidate key - a candidate key of an entity set is a minimal superkey which uniquely identifies each row in the
what is primary keyprimary key - primary key is one of the candidate keys which uniquely identifies each row in the