Explain self joins in oracle?
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How view is different from a table?
How to connect to the server with user account: sys?
how can get like this result table A col1 col2 --- ----- a A b B C C .. .. .. ... .. ... wants result like for a single column col1 ------ a,b,c,........n of data and another is col1 ------- A B C D ........ a b b d ........
Can you tell me how to add new column in existing views?how?How is possible?
What is difference between SQL and SQL*PLUS?
Explain mutating triggers.
What are the components of logical database structure in oracle database?
Explain the use of record option in exp command.
What is Row Chaining ?
why pl sql doesn't support retrieving multiple records
What is the purpose of a cluster?
Explain index?