Oracle client is not able to connect to Oracle server although tnsnames.ora file has valid enteries. Oracle error message is “ cannot resolve net service name”. Mention any three reasons.

0 Answers  

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When a user process fails, what background process cleans up after it?

1 Answers  

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Other than making use of the statspack utility, what would you check when you are monitoring or running a health check on an Oracle 8i or 9i database?

0 Answers  

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how do we explain a project in cognos in an interview? please help me. Also how do we perform testing in cognos after creating reports?

0 Answers   HSBC,

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Explain the difference between ARCHIVELOG mode and NOARCHIVELOG mode and the benefits and disadvantages to each.

5 Answers  

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internal architecture

0 Answers   CSC,

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What the different components in replication and what is their use? : sql server DBA

0 Answers  

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How would you go about increasing the buffer cache hit ratio?

2 Answers  

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Give the stages of instance startup to a usable state where normal users may access it.

1 Answers  

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i want export 50gb data in datapump it will take 2 hours time to complete that how can u export that tell me script ???

1 Answers   iGate,

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How do you add a data file to a tablespace?

3 Answers  

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A lady is trying to pick gloves and hats from her wardrobe in the dark. She has 22 white and 33 green ones. She wants to pick a pair of gloves of white and green. How many tries before she gets it right?

1 Answers   TCS,

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