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What is schema
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
Northwind Pty Ltd sells a variety of food products throughout the world. They want to use the reporting features of SAP's Business Information Warehouse to better understand their
external and internal mapping with examples
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
Data Independence This brings us to our next topic: data independence. It is the property of the database which tries to make sure that if we make any change in any level of sc
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
Describe integrity constraints? Integrity Constraints - A database is just as excellent as the information stored in it, and a DBMS must therefore help avoid the entry of inc
Q. State the Technique for converting a state diagram to code. i) Identify the major control path. Starting with first state, find the path from diagram that corresponds
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
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