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Describe the host language?
Host Language: You could write applications along with SQL statements embedded inside a host language. The SQL statements give the database interface, although the host language provides the remaining support required for the application to execute.
Breaking into Subsystems Decomposition is a significant technique for coping with complexity based on idea of divide and conquers. In dividing a problem into sub problems, the
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
Explain Two phase locking protocol A transaction is consider as to follow the two-phase locking protocol if all locking operations precede the first unlock operation in the tra
What is Index? An index is a physical structure having pointers to the data. Indices are created in an existing table to locate rows more quickly and efficiently. It is possibl
What is the difference between WHERE and HAVING clauses?. Predicates in the WHERE clause applies to every tuple while the predicate in the HAVING clause applies to groups.
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
need requirement analysis for database management of stock market
Explain heap file with advantages? Heap File is an unordered set or a group of records, stored on a set of pages. This class gives basic support for inserting, updating, select
Index And Tree Structure Let us talk about the data structure that is used for creating indexes. Can we use Binary Search Tree (BST) as Indexes? Let us initial reconsider
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
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