What is Data Dictionary Cache in Oracle?
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what is kernel?
Explain the use of control file?
consider some table with 4 r 5 columns in that 1 col is DATE type. The data is like that,For each date in that col some 3 fields r there but all the records r having different data. Now i want to display all the columns by performing grouping on the date field ( as SELECTION Operator(*) cannot be used with group function having only one "group by clause". how to do this? can any one help me in finding out the solution plss?
How to add a new column to an existing table in oracle?
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SELECT THE RECORDS FROM 3 TABLES LIKE(T1,T2,T3) AND HOW CAN WE INSERT THAT RECORD IN ANOTHER TABLE LIKE(T4)?
What is an UTL_FILE.What are different procedures and functions associated with it?
What is an oracle database table?
Difference between primary key and unique key ?
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How to define a data field as not null?