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Define weak and strong entity sets?
Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets.
Strong entity set: Entity set that has a primary key is term a strong entity set.
prototype of a distributed information system for a national car part retail outlet chain.
A field-groups statement or an insert statement reverses storage space and transfers values. False.
Use Access 2007 to create a database called UniLib.mdb. - this file should be created on your personal drive at the university (or C: if you're using Access 2007 at home) and t
What is SQL Profiler? SQL Profiler is a graphical tool that permits system administrators to monitor events in an instance of Microsoft SQL Server. You can capture and save dat
Discuss deferred update technique of recovery. What are the advantages? Ans: The deferred update methods do not physically update the database on disk till after a transact
Types of Locks There are two necessary types of locks: Binary lock : This locking mechanism has two states for to a data item: locked or unlocked Multiple-mode loc
Which model is record based logical model? Network Modelis basically known as record based logical model.
What is the max. no. Of structures that can be included in a table or structure. Nine.
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
i need to submit in this topic.
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