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Explain the ANSI SPARC architecture
The three-schema architecture is as well known as ANSI SPARC architecture. The aim of the three-schema architecture is to separate the user applications and the physical database. The view at every of these levels is described by a schema. The procedures of transforming requests and results among levels are known as mappings. In this architecture, schemas can be illustrated at the following three levels:
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
Types of Locks There are two necessary types of locks: Binary lock : This locking mechanism has two states for to a data item: locked or unlocked Multiple-mode loc
Define the terms i) DDL ii) DML DDL: Data base schema is particular by a set of definitions expressed by a special language known as a data definition language. DML: A data
Explain the term - Handling Boundary Condition These are some circumstances that to be handled in any system initialization and termination. Describes how system is bro
Explain the following functions of Oracle with suitable examples: (i) To_Char( ) (ii) Count( ) (iii) Trim( ) (iv) Length( ) Ans: (i) To_char( ): The TO_CHAR function conver
Define raid? Briefly explain it? A range of disk organization methods, collectively called redundant arrays of independent disks (RAID) o Improvement of reliability throug
Question 1 Explain the 10 reasons to use MySQL Question 2 Write the SQL statements to demonstrate the following using SELECT command Expression Evaluation ORDER BY
For the question given below, you are required to submit design and implementation documentation as described over the page. Design, implement (in Java), test and document a set of
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
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