column « Resultset « Java Database Q&A





1. How to get the number of columns from a JDBC Resultset?    stackoverflow.com

I am using CsvJdbc (it is a JDBC-driver for csv-files) to access a csv-file. I don't know how many columns the csv-file contains. How can I get the number ...

2. Determine if column in ResultSet contains values in all rows    stackoverflow.com

In my application, I perform a costly query that takes minutes to produce a report. I am trying to make a generic class that transforms a ResultSet to and Excel ...

3. How can I determine if the column name exist in the ResultSet?    stackoverflow.com

As the ResultSet contains the data returned from the dynamic SQL, if there are any method to determine if the ResultSet contains a particular column name ? For example , ...

4. Test ResultSet to see if it contains a column label    stackoverflow.com

Is it possible to check a ResultSet to see if it contains a column label for the current row. I would assume that it is backed by some kind of Map, ...

5. iBatis ResultMaps: The column name <...> was not found in this ResultSet    stackoverflow.com

Given a ResultMap for an iBatis select query, it seems obligatory that all columns (that are mapped to properties in the ResultMap) are actually part of the SQL query. But that's a ...

6. Java ResultSet - get Column name based on Index    stackoverflow.com

I want to know if there is a way to get a column name based on the index from a resultSet. I know that if you want to get index based on ...

7. How to read xmlagg() column data in java resultset    stackoverflow.com

I hava xmlagg column in my select query. I want to execute this query and read the data of the column in java variable/object. how can i do this pls guide me about ...

8. ResultSet columns    bytes.com

Hi all, I have a ResultSet object and I want to get the nbr of columns it has. It's easy to find the number of rows by using the absolute(int row) ...

9. Change font of column in ResultSet    coderanch.com





10. Q about java.sql.ResultSet: how to store text in LONG column    coderanch.com

Hi, I've got a ResultSet that I need to update in order to insert some data in the corresponding database table. The database table has amongst others a column of the LONG datatype. This datatype is giving me some trouble since it should be able to store 4Gb, but when the application tries to insert some textual data the LONG column ...

11. How can i group certain columns in a ResultSet    coderanch.com

You really need to write your own. There are data management tools, but its kind of a vague area since almost all database-driven applications would fall under the category of data management tools. You can easily store the contents of the result set in an array of HashMaps since essentially a single record is equivalent to a Map. Then, you just ...

13. ResultSet cannot seem to find aliased columns    coderanch.com

In my stored procedure, I am returning a "derived" resultset similar to the following: SELECT CASE WHEN @var1 IS NOT NULL THEN 1 ELSE 0 END columnVar1, CASE WHEN @var2 IS NOT NULL THEN 1 ELSE 0 END columnVar2, CASE WHEN @var3 IS NOT NULL THEN 1 ELSE 0 END columnVar3, CASE WHEN @var4 IS NOT NULL THEN 1 ELSE 0 ...

16. ResultSet--Can not able to get the value of the column    coderanch.com

Hi All, I am working on a swing project.I have created the statement and executed query. Got the result set object.Now fron result set object I am trying to get the value of the column amount using rs.getInt("Amount"); Its showing Invalid cursor state. I can get the meta data from the resultset object and from where if i am trying to ...





19. Printing with 1 additional column every time resultSet is given    forums.oracle.com

I want this loop to print a resultSet that at first will have 2 columns then next time around (possibly) 3 columns, then 4 and 5 etc.... I dont know how many columns the last resultSet is going to have, if I did I would just add that like you said. my resultSet will have exactly 1 extra column everytime it ...

20. help to get the column names from ResultSet.    forums.oracle.com

Hi, I hava a ResultSet and i want the column names into a String Array. i wrote the code to get the column names as below, String s = "select Dept_No,Dept_Name from tb_dept"; rs = statement.executeQuery(s); // ResultSet defined before String[] columnNames1 = null; ResultSetMetaData meta = rs.getMetaData ( ) ; for (int x = 1; x <= meta.getColumnCount(); x++) { ...

21. Displaying data present in column of resultset on row wise    forums.oracle.com

I have some data in the database which gives me the information of machine and its devices and corresponding device status in column format i want to convert the particular data in row format. for eg: in my database the values are such as: macid | dev_name | enable_status -------------------+------------+--------------- 00:16:61:00:16:fe | Mouse | t 00:16:61:00:16:fe | Keyboard | t 00:16:61:00:16:fe ...