What is an external table?
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How to transfer database(500 gb) of oracle enterprise edition to standard edition downtime is only 1 hour not using exp/imp option ?
Explain the types of exception?
I have a table emp. There is only one column in the table. In that , there are only three rows in that column. The value in the first row is 'A' and the value in the second row is 'B' and the third row is 'C'. Now, my question is , How will you write a select query to display the output as B C A Note: order by cannot be used coz it gives us output as CBA. But the output should be BCA.
Which is better Oracle or MS SQL? Why?
how many outer joins are used in a single sql query? is there any limitations for using of outer joins?
2 Answers BOB Technologies, Cap Gemini, IBM,
What is the difference between truncate & delete command?
How many file formats are supported to export data?
Maximum how many triggers can be updated in table ?
5 Answers Accenture, Cap Gemini,
How to convert characters to times in oracle?
What is flashback Query ? And Use ?
What is the disadvantage of User defind function?
What are a collation and state the different types of collation sensitivity?