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Database Programming/Experts

ExpertAverage RatingsExpertise

Suchitra Joshi

U.S.
Available
I can answer questions related to database (mainly Oracle), database architecture, design and programming. I can also answer questions related to SQL, Import/Export, SQL Loader etc.

Carlson Lim

U.S.
Available
I can answer questions about database design for OLTP and OLAP. I can can answer questions about logical models and physical star schema models. I can answer questions on ERwin.

Iain M Watson

U.S.
Available
I have 15 years of SQL experience in several large scale business catagories. I have many programs involving complicated SQL queires in both DB2 and Orcale databases. I have many years experience dealing with Database administrators in performance/tuning and implementing large scale SQL systems.

Recent Answers

2009-11-15 Question about query:

Hi, Your problem is that you need a GROUP BY statement at the end of the SQL statement for the columns you want to get unique values for. Also you will need to use the DISTINCT command on the individual

2009-10-04 conceptual database design:

Hi, this look like a relational databases question ?? If so then we are talking about existence dependency. Existence dependency describes whether an entity in a relationship is optional or mandatory.

2009-09-23 SQL Query:

Hi, I am not sure which database you are using, but most SQL is the same in relational databases. You need to use the count and group by verbs to the existing joins you are doing:- Select count(*)

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