multiple « Table « Java Database Q&A

1. DAO design pattern and using it across multiple tables stackoverflow.com

I'm looking for feedback on the Data Access Object design pattern and using it when you have to access data across multiple tables. It seems like that pattern, which ...

2. How do you handle sql mapping for multiple tables in ibatis and java stackoverflow.com

I am trying to use Ibatis with GWT and I have this scenario, I have databases tables Airport, Terminals and Flights. An airport can have different terminals. A terminal can ...

3. jdbc savepoint in batch mode with multiple tables stackoverflow.com

to simplify my question: I have got n objects that have to be inserted into x tables. Now I would like to have x prepared statements and interate though my objects. ...

4. Multiple link between 2 tables columns...bad design approach? stackoverflow.com

Example Hello I'm developing a webapp and i'm about to design the database, i came across this question. Is it a bad design to have more then 1 link between 2 tables? The ...

5. Is there a utility class that will hold a table with multiple columns/fields? coderanch.com

I'm looking for a utility class (Vector, hashtable, etc.)that will hold a table, thus preventing repeated database/sql calls. For instance - an ingredients table that holds names, prices, descriptions , dates, etc. MysteryClass ingredients = new MysteryClass(); ingredients.add("salt", new Double(.65), "Mortens" ...); ingredients.add("sugar", new Double (1.10), "Kroger Brand" ...); ingredients.add("baking powder", new Double(2.50), "Arm & Hammer" ...); and so on and ...

6. result set access with multiple tables, same column name coderanch.com

I am having the same problem. I am having 2 tables which has several columns which has the same name. for ex select * from tab1 t1,tab2 t2; let us say that tab1 and tab2 has same column names ex: col1 and col2. when i try to access without a fully qualified table name then i am getting the value of ...

7. Accessing Multiple Tables coderanch.com

Chase, The first thing is to make sure you have a condition in your web clause to join the tables. Otherwise, you will get every combination of rows from both tables. If the column names are all distinct, you can still use the column name as is to get the result. If not, you can use a column number or an ...

8. What's the difference - one table, or multiple tables? coderanch.com

Hi.. I've got a general question: Im making a table with students - each student has a name, age, gpa and class (ie. 1,2, .. , 7). Should I make 1 table with everything, or 7 tables (1 per class) Note that 1 student exists in 1 class. pros and cons? Thanks in advance /Svend My own guess is 7 tables, ...

9. Working with multiple database Tables coderanch.com

Hi everybody, I am developing an application that has two tables, users & books. A user requests for a book and the requests are authorised by the administrator. I need suggestions on how to do request / authorization using sql database tables so that I can start working on it. I really don't know how to start with this so please ...

10. Quick Search Results page cant put multiple results into a table coderanch.com

Hi all, I have a little problem regarding my quick results search page created with jsp and jstl. What is wrong is that after I submit my quick search jsp form and the servlet processes the request, the results page is not appearing, only stating that no books match my search criteria. So it is not forwarding to the results page, ...

11. Updating/Inserting Multiple Tables coderanch.com

12. Creating multiple tables at once coderanch.com

Hi, Thanks in advance for any help. I have two tables (Owner and Address). Currently I create the address and get the address ID then create the owner table and give it the address id. Then obtain the owner ID and then update the address table to include the owner id. The reason is that I can then search the owner ...