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Answer the following Question :
Explain the difference between a database management system (DBMS) and a database.
Are Microsoft Access, SQL Server, and Oracle examples of databases or database management systems (DBMS)?
Artificially small example of B+ tree is shown here (pdf). (Note only part of tree is shown in detail.) What nodes of example B+ tree are visited to find posting list for "dune"?
As a research officer you have been asked to summarise, analyse and interpret the data. Exam results are the focus (column A) and you will therefore need to consider the distribution of the exam results, as well as potential factors that may contr..
Storing this data on multiple records is an example of redundancy which can cause several problems.
Can you explain about the Data Warehouses and relational databases?
What are some issues when working with a many-to-many relationship. Provide some examples.
What are some advantages to using Data Pump instead of import/export? List and explain two Data Pump options that might be used by a non-dba user
Analyze the database environment, including its objectives (why will it be built?), its boundaries (what is in and out of scope?), its constraints (what rules must it follow?), and any challenges that will accompany its construction
Database Normalization Solution
What are the title and special features for films rated PG-13 and longer than 180 minutes? What are the three most popular firstnames among the actors in the database?
How would your answers to the two questions change, if at all, if your system did not support indexes with multiple-attribute search keys?
Philip A. Bernstein James B. Rothnie, Jr., and David W. Shipman (eds.). Tutorial: Distributed Data Base Management. IEEE Computer Society, 5855 Naples Plaza.
Briefly explain the difference between data, information, and knowledge. - Briefly explain the difference between explicit and tacit knowledge. Give an example of each.
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