How would you design a database for an online site, which would average a million hits a day?

0 Answers  

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How do you implement one-to-one, one-to-many and many-to- many relationships while designing tables?

1 Answers   Flextronics, Hexaware, SQL Star,

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Why does this query return 0?

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how to find the first two highest salaries in deptno in emp table

2 Answers  

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agregator gives one to many records or many to one record

1 Answers   IBM,

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Does QTP Support the Propjects which are running in Dot Net? As we are starting with new project in Dot net need to use automation tool?Please advice & let me know what would be the best.

0 Answers  

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what is difference between primary key and unique key ?

2 Answers  

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How can you fix a poorly performing query?

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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

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fact table and dimension table containg one to many relationship or many to one relastionship

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There is a trigger defined for INSERT operations on a table, in an OLTP system. The trigger is written to instantiate a COM object and pass the newly insterted rows to it for some custom processing. What do you think of this implementation? Can this be implemented better?

0 Answers  

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What are cursors? Explain different types of cursors?

6 Answers  

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