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what are triggers used for and why are they important in database systemsprovide an example of a situation where a
from the system analysts perspective below are several situations calling for decisions about output content output
please make them explicit1 relations between entities in a database represent relations and opportunities in the real
1 is it possible for two entities to be related to each other in two ways for example could entity a be related to
what is the purpose of a disaster recovery plan drpwhat are the key elements of a drpwhat are the five methods of
consider the following relational database schemacreate table accountsaccountno char12amount moneyconstraint pkaccounts
each record should have at least one primary key field specifiedafter identifying the records and their corresponding
mini-project 1 database designconceptual designfor this assignment you have been asked to design a database using only
need help identifing and analyzing three trends and factors that have the most significant influence on todays health
in terms of the relations shown below what is the appearance of the relation result after executing each of these
please explain in detail the steps that must be taken to make this query workjoin the tables and calculate aggregate
supporters of object oriented databases list numerous advantages for using the object oriented approach versus the
moonlight distributors is a 10-year-old transportation firm that specializes in pickup and delivery from a wide range
find an example of an actual data warehouse for this example describe the content purpose user access methods and
given the following business rules create the entity-relationship diagrama a health practrice has many doctorsb each
create and populate tables within a database using ms access that supports the following business rulesemployees all
explain why normalization is importantwhen is it important to denormalize a database can you provide an
the current practice of a particular part of water resources engineering is supported by a variety of commercial
your database is performing poorly and you just began this new job within the past monthyou ask to see the
using ms access 2007 please build a home inventory database based on the following structure1 build the following 3
1 what are the typical departments one might see in a data center2 are different management techniques required for
discuss the role of prototyping in the database development processwhat are the benefits of taking extra time to test
your organization has just completed the initiation process for implementing an email system upgrade it was identified
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table name employee employeeempcodeemplnamejobcode