1 Small oracle sql query is taking more than 30 mins and needs to be done performance tuning.
Note : don't have dba previleges
12 freelancer chào giá trung bình₹742 cho công việc này
I will need complete SQL, Tables details (Indexes, Constraints) that are used in SQL and data volume. Based on that will see but incase need some information later then your help needed.
More than 2 years of experience in writing efficient queries and working with large data sets. Can give you the query optimised at its best, in less than a day
May be you are looking for an expert like me who have experience 7 years + in SQL PL/SQL. And very much confident to submit your work in a short time.