What is the difference between a primary key & a unique key?
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How to convert characters to times in oracle?
am completed mca2011 how get certification in oracle
Can we write insert statement in function in oracle?
How to use "in" parameter properly?
How many data types are supported?
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?
What is the difference between sharding and replication?
What is trigger associated with the timer ?
What is background process in Oracle?
When does a Transaction end ?
What is BBED in Oracle?
Give the various exception types.