Explain a data segment?
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What will be the syntax to find current date and time in format "yyyy-mm-dd"?
Maximum how many triggers can be updated in table ?
5 Answers Accenture, Cap Gemini,
T1: T2 A X--- this is updated record B B like this T1 table having no.of records updated. write a query"retrive updated record from T2"
Explain the use of show option in imp command.
how may join possible between (requisition with purchase order)
Without giving condition how to retrieve the unmatched records from table.
What is the usage of control file in oracle?
What is a database table in oracle?
What is a Data Dictionary ?
Explain do view contain data?
1. How actually index will work ? 2. Why do people prefer mostly bitmap index and btree index in datawarehouse ? 3. If I use the column in aggrigate functions like max,min,count and avg and if I have a index created on that column, will it increases the performance ?
Where is the export dump file located?