How to check database size in Oracle?
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What are the common oracle dba tasks?
Will the Optimizer always use COST-based approach if OPTIMIZER_MODE is set to "Cost"?
What is the difference between sharding and replication?
What is RULE-based approach to optimization ?
What do you mean by merge in oracle?
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 literal?
What is the difference between an Oracle Schema and an Oracle Instance?
Will you be able to store pictures in the database?
How do I escape a reserved word in oracle?
what are stored procedures?
i have a question here... As of my knowledge, when we apply an index (b-tree)on a column, internally it arranges the data in b-tree format and do the fetching process correspondingly... and my quetion is... How a bit-map index arranges the data internally when applied on a column?IS it in b-tree format or whatelse?