Iterate « Resultset « Java Database Q&A





1. How to insert values result set into hashmap without iterating in Java 1.4?    stackoverflow.com

I want to validate a value against values retrieved from a result set's first column. I have to do the same validation operation approximately 1000 times. So, I want ...

2. Easiest way to get column width/length from a ResultSet - must I iterate though?    stackoverflow.com

I need to get the column width/length from a ResultSet/ResultSetMetaData knowing only its name? I could create a map of names to indexes and get it that way, but is there ...

3. ResultSet: I want a conditional output before iterating through it.    coderanch.com

I have out.println("This is the search result."); before I iterate through the ResultSet rs like so: while(rs.next()) { ... } But then this line: out.println("This is the search result."); will be executed even when no results are returned. This is certainly not very nice. Too bad that ResulstSet rs=statement.executeQuery(query) never gets a null value, so says the documentation. This means that ...

4. iterating through ResultSet    coderanch.com

Hi there. I am running a simple SQL query that returns a result set containing two columns. A sample set of results appears as follows: CFCC ID D43 73 D43 78 D43 87 D44 65 D65 102 D65 107 D65 111 D65 115 D85 77 ... ... What I would like to do is for every distinct value encountered in the ...

5. How to iterate ResultSet multiple times    coderanch.com

Hi there, Can someone tell me, how can I iterate resultset more than one time. As I want to use same resultset multiple times, to avoid database trip for same query. I observed that I cannot iterate result set more than once, it sets it as null and throws null pointer exception. I am using following code Statement s = c.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ...

6. Huge data, problem iterating resultset    coderanch.com

deaar all, for the reporting purpose, i retrieve a huge data from oracle db using JDBC, invoke a procedure and get a cursor. as i iterate the cursor with ResultSet, i call one more procedure to get the details of this result(unique id). all are put into the appropriate beans and stored into the arraylist. by this time, I get transaction ...

7. Iterating resultset    coderanch.com

8. Iterating through resultset    coderanch.com

Hi, I have executed an SQL query on the primary key of the table.So either no record will be returned or only one record will be returned.So do I need to iterate through the resultset by Iterator interface ? Is there any better way to access the resultset having only one record ? Thanks, Arka

9. OutOfMemoryError while iterating through a ResultSet    forums.oracle.com

I am: (1) reading in one column per row from a mysql table. (2) the column is a utf-8 encoded String. (3) the String can be upto 256 characters long. (4) I have about 80,000 rows to process. If the integer value of a character falls within a range, I store it in an output table;