I've been working with Oracle since 1984: including data analysis, modeling, migration, indexing, partitioning, integration, aggregation, mining, optimization, performance tuning, warehousing, etc.
Relevant Skills and Experience
Since the job description and scope is so general, my quote is also general. After a fully documented description, I'm sure we can come to a mutually agreed upon price or hourly rate.
Proposed Milestones
₹7 INR - Excellent references upon request
₹70 INR - Fully document the scope of the project with time lines, etc - project plan
₹700 INR - Determine any modification or improvements to current design, code and functionality
₹7000 INR - Do the task that need to be done based on project plan
₹20000 INR - Test and fine tune, optimize, etc
What OS and version are you using?
What version of Oracle are you using?
How many tables / rows?