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What is SQL, and why is it important?
SQL stands for Structured Query Language, and is the most significant data processing language in use today. It is not a complete programming language like Java or C#, but a data sublanguage used for creating and processing database data and metadata.
All DBMS products today use SQL.
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
Problem : (b) A deductive database system is essentially the outcome of applying mathematics logic to database management, where logic is used for both data representation and
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
QUESTION (a) Give two advantages of using Linked List as compared to arrays. (b) (i) You are working as programmer at the Orange Mauritius branch. You have been asked to cre
differences between a classified catalog and a dictionary catalog
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
What are the two types of blocks in the fixed -length representation? Define them. Anchor block: Have the first record of a chain. Overflow block: Have the records other tha
Relational Algebra is a set of basic operations used to influence the data in relational model. These operations allow the user to specify basic retrieval request. The result of re
Synonyms and Indexes Some of the essential properties of indexes are: An Index is a schema Object Indexes can be formed explicitly or automatically Indexes are m
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
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