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What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
What are the typical phases of query processing
Why, generally does an object-oriented system use the relational DBMS? The reasons for using relational DBMS for OO systems could be any combination of following: a. Many or
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 3nf
Give some encryption techniques? A) DES B) AES C) Public key encryption
What is meant by computing the closure of a set of functional dependency? The closure of F denoted by F + is the set of functional dependencies logically implied by F.
The JOIN operation is applied on two relations. When we want to choose related tuples from two given relation join is used. The join operation need that both the joined relations m
What is Explicit update In explicit update, each derived attribute is defined with respect to one, or more fundamental base object(s). The object designer determines that de
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
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