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explain why the addition of not null constraints to the sql definition of the manages relation would not enforce the
suppose that we have a ternary relationship r between entity sets a b and c such that a has a key constraint and total
consider the following schemasupplierssid integer sname string address string partspid integer pname string color
consider the following relations containing airline flight information flightsflno integer from string to string
consider the following relationsstudentsnum integer sname string major string level string age integer classname string
the following relations keep track of airline flight information flightsflno integer from string to string distance
consider the following relational schema an employee can work in more than one department the pct time field of the
consider the instance of the sailors relation shown in table 11 write sql queries to compute the average rating using
consider the following relational schema and briefly answer the ques- tions that followempeid integer ename string age
assignmenttask 1- draw a context diagram for the new system for baigs auto rental businesstask 2- for each of the
inventory application with keyboard events enhance the inventory application that you developed in tutorial 4 to
create an application that stores peoples names and birthdays in a file fig 2340 the user creates a file and inputs
premiere products databasetable reprepnumlastnamefirstnamestreetcitystatezipcommissionrate20kaiservalerie624
first problememployee table contains the following information state lastname firstname hiredate department salaryget
the document should be written in research paper formati oracle corporationa major products1 product 12 product 23
discuss your thoughts on the effects of indexes data types filegroups and transaction logs on space considerationswhich
what are sequences and indexes in database tableswhen to use sequence and when to use
some data are calculated as functionswhen would you store data in database and when would you use functionswhat is the
this project will challenge you to set up replication on your sql server installation every step to complete this
create a view named vsubscribers showing the subscriber id magazine id and start date where the date is more recent
1 one of the purposes of database tools is to ensure the quality of the datawhat are some trends in data quality
case study-nbsp acme airlines flies high with its real-time data warehousequestions for case study approximately 2000
using the example databases and tables below write sql queries using between like and union- write a sql query that
1- provide an explicit join sql statement that returns the store id store name manager employee first and last name
customer volume by monthcustomerid month total shipments total weightdriver performance by monthdriver id month number