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Consider the relations City (city_name, state) Hotel (name, address) City_hotel (hotel_name, city_name, owner) Answer the following queries in relational algebra (i) Find
What is the need of a log in a DBMS? Briefly describe the various types of records that are normally present in a log. Ans: The system log, which is generally writt
deffine class&object
Differentiate between strict two-phase and rigorous two-phase with conversion protocol Ans: Strict two-phase locking holds all its exclusive that is write locks until commit t
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
Identify the need and use of data control through problem solving, illustration
In Database software have only pure security or some dis secured by administrator?
A Structure of a dependency diagram
In which format database schema is written ? Data base schema is written in the DDL format.
#floating point representation is used to store
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