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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
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
Homework chapter 10 no 3
Failures and Recovery In practice various things might occur to prevent a transaction from completing. Recovery methods are used to bring database, which does not satisfy consi
explain five responsibilities of DBA?
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
Explain the Natural join Natural join is a binary operator which is written as (R* S) in which R and S are relations. The effect of the natural join is the set of all combinati
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Explain Dynamic Two-Phase Locking Here a transaction locks a data item instantly earlier than any operation is applied on the data item. After finishing all the operations on
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
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