What language does oracle use?
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What is an index associated with a constraint?
How to define an explicit cursor in oracle?
How many categories of data types?
what are pseudocolumns?
How to select all columns of all rows from a table in oracle?
is there a tool to trace queries, like profiler for sql server?
what is the syntax of DROP command?
Explain what are the uses of rollback segment?
write sql query following source are EmpID, Salary 101 1000 102 2000 103 3000 I want the output format like following empid,sal,composite_sal 101 1000 1000 102 2000 3000 103 3000 6000
How to set a transaction to be read only in oracle?
what is the difference between substr and instr function in oracle?
How to delete a column in an existing table in oracle?