What is a proxy object?
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when do u go for hash partitioning?
Explain the use of parfile option in exp command.
How to pass parameters to procedures in oracle?
What is the purpose of init.ora. ? how many init.ora exist in oracle installation? suppose there are 3 database on one oracle server, how many init.ora do I have? what are various database objects? how will you identify memmory related performace issue in oralce? any idea about basic architure difference of oracle and db2? comment on which is better , with reasons? what is a fuction based index? is it recommended to use the same. ? what is global temporay table? what is teh signification of the parameter session_cached_cursor ?
what is the difference between rollback & commit? can a foreign key has null value?
How to find no of saturdays in a month using single sql ?
Explain the use of ignore option in imp command.
Does rowid change in oracle?
How to define an anonymous block?
What is the effect of setting the value 'FIRST_ROWS' for OPTIMIZER_GOAL parameter of the ALTER SESSION command ?
What is the purpose of tables, private synonyms and public synonyms in Oracle?
How to load a large xml file?