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Question: Describe a mechanism to access the telephone customer records by telephone #. Assume that we have a huge data in hand, say a million records or so.
Choose a combination of meaningful data structures that will give the best search time.
Describe your idea and explain the speed of the search operation.
Keep in mind that a million records cannot be kept in one array. There is no need to code it.
I am having difficulty with this problem because I do not know where to start with.
please write sql statements to answer the following questions. your tables should still be on the oracle server. please
"Object-Orientated Databases will eventually supplant Relational Databases and RDBMSs as the predominant data storage / retrieval paradigm.
Database designers stated following dimension of "miniworld"- to be represented in Company Supplier-Part database: company is organized into departments. Each department has unique name, unique number.
Explain with examples different types of keys used in relational database, how they help relating different tables.
fishing in the public waterbodies of victoria rivers creeks lakes and reservoirs is controlled by the freshwater
Explain the ‘Document Principle' as used in SAP. What information is presented in the ‘header' section of a document versus the ‘line item' section?
What is required to defi ne a well-posed learning problem ?
Describe briefly what are the main benefits of using DBMS to manage data in program applications involving extensive data access.
Describe the basic features of the RDB model and discuss their importance to the end-user and the designer.
Construct an entity-relationship (ER) model for the database. Make sure you include in your model details of entities, relationships, attributes, keys and limits in participation.
what do you think is the wisdom of maintaining 2 models? The W3C has a Document Object Model as a recommendation. Do you think browsers should implement this model? If not, propose a model which you think would be suitable.
How to interactively query a database by using SQL statements and SQL*PLUS commands and how to use spool command to save an interactive session within SQL*PLUS.
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