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Which is another name for weak entity?
Child is another name of weak entity.
With the linear commit protocol, sites are connected in a chain, and the subtransaction at the left-hand end of the chain initiates the protocol. Propose a crash recovery protocol
Why containment is important in oosystems? Containment is an significant concept in oosystems because it allows dissimilar users to view data at different granularities.
Give the limitations of SQL authorization. The code for checking authorization becomes intermixed with the rest of the application code. Implementing authorization by applic
DISADVANTAGES OF RDBMS
Describe Embedded Query Language? Embedded Query Language - A query language (e.g., SQL) can be implemented in two ways. It can be used interactively or embedded within a host
Discuss The difference between drop table R and delete from R. DROP TABLE command deletes all the records with the table definition. This command will automatically committed
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
Describe the types of attributes? Types of attributes: An attribute's category determines the type of values that are permitted in the attribute. For instance, the value vers
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
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