What are data modelling techniques?

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How to generate OIDS

0 Answers  

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What are the disadvantages of cursors? How can you avoid cursors?

2 Answers  

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What is denormalization and when would you go for it?

9 Answers   NBP,

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Write short notes on manual refreshes.

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What is data modeling with example?

0 Answers  

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A) Which two are benefits of Teradata's support for ANSI Standard SQL? (Choose two.) 1.data is distributed automatically 2.queries get optimized to better plans 3.submit queries from other database systems 4.can interface with BI tools B) Which statement is true when comparing the advantages of third normal form to star schema? 1.Star schema tends to have fewer entities. 2.Star schema requires additional data storage. 3.Third normal form tends to have fewer entities. 4.Third normal form requires additional data storage. C)Which two sets of functions does the Parsing Engine (PE) perform? (Select two.) 1.sorting, formatting, and aggregating of the final answer set 2.flow control of the data to and from the participating tables 3.SQL statement interpretation, syntax validation, and semantic evaluation 4.dispatching the step execution sequence to the AMP via the BYNET D) Which two can be achieved with Teradata Active System Management (TASM)? (Choose two.) 1.disable hardware 2.react to hardware failure 3.influence response times 4.collect metadata E) Which three mechanisms can be used to ensure security within the Teradata Database? (Choose three.) 1.views 2.spool limits 3.roles 4.access rights 5.profiles

0 Answers  

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Why does this query return 0?

0 Answers  

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Define candidate key, alternate key, composite key?

30 Answers   IAS, IBM,

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Who are end users in dbms?

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How long can an error message be in raiseerror function?

0 Answers  

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Explain about xml databases?

0 Answers  

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