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In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
What is Trigger? Trigger: A database trigger is procedural code which is automatically executed in response to specific events on a particular table in a database. Triggers can
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
Which database level is closest to the users? External database level is closest to the users.
Primary Index In primary index, there is a one-to-one relationship among the entries in the index table and the records in the major table. Primary index can be of two types:
Serialisable Schedules: If the processes of two transactions conflict with each other, how to verify that no concurrency related problems have happened? For this, serialisability t
Structure Of Distributed Database: A distributed database system haves of a collection of sites, each of which keeps a local databases system. Every site is able to process local
how map binary relation one to one
My cut off date is very soon in a Database subject and i dont know how to solve anything in it
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 holds the S#, SNAME, P# , PNA
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