when we login sql editor using username and password then it says this error "could not resolve service name" then what can we do at client side.( here thing is tnsnames.ora file is ok till yesterday and worked well, but now it giving error.

0 Answers  

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You have 4 instances running on the same UNIX box. How can you determine which shared memory and semaphores are associated with which instance?

0 Answers  

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what is incremental checkpoint?

1 Answers   CTS,

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why Datapump is faster than traditional export and import

4 Answers   Mphasis,

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Can we take incremental backups in datapump?

1 Answers  

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What view would you use to determine free space in a tablespace?

3 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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Claims and Drains are the locks used to control the concurrency between SQL processes and utilities. Referring to the above statement, what is the maximum number of concurrent Claimers for a Subsystem? Choice 1 32 Choice 2 64 Choice 3 128 Choice 4 256 Choice 5 No limit

0 Answers  

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What purpose does the model database server? : sql server DBA

0 Answers  

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

1 Answers  

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What are the high-availability solutions in sql server and differentiate them briefly? : sql server DBA

0 Answers  

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what do you understand by fine-grained auditing?

0 Answers   Oracle,

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