read « Table « Java Database Q&A
1. Reading a CSV file into Java as a DB table stackoverflow.comI've found numerous posts about reading CSV with Java and the APIs they were pointing at all had a line-oriented approach when it came to reading a CSV file. Something like ... |
2. When calling CRUD check if "parent" exists with read or join? stackoverflow.comAll my entities can not be deleted - only deactivated, so they don't appear in any read methods ( |
3. Two threads reading from the same table:how do i make both thread not to read the same set of data from the TASKS table stackoverflow.comI have a tasks thread running in two separate instances of tomcat. The Task threads concurrently reads (using select) TASKS table on certain where condition and then does some processing. Issue is ... |
4. Reading Properties files into table coderanch.comApparently Properties file is not meant to be read dynamically. In other words, I cannot go through a directory and create Properties files basd on available files that have attribute=value format. Pleass, could someone show me the way on how to go about doing the above. I need to read values from files and upload them onto table. Thanks. |
5. how to read a text file from a database table coderanch.com |
6. how to read different data from one table and compare it coderanch.comhi, Kevin Mukhar, thank you for your help, but when I put it in my real program, it seems it can read data from database, but can not write data. Could you help me to check it? Thank you very much!!! The following is my source code --------------------------------------------------String [][] buycol=new String[99][12]; String [][] sellcol=new String[99][12]; int [] buyagid=new int[99]; int [] ... |
7. how to read hidden tables of MSAcess coderanch.com |
8. Locking a table for read coderanch.comYou should not need to lock a table for reading. Reading a record works without locking. What is the reason that you have this requirement? Some databases allow you to lock when you do a select .... for updateIt doesn't guarantee that you have a row, segment, or table lock. You will have to properly release the lock (by closing the ... |
9. How to read a pl/sql table which is an OUT parameter from a stored proc from java? coderanch.comYou can use java.sql.Array .. you can read more about it here Suppose that input and output parameters IN_PHONE and OUT_PHONE in stored procedure GET_EMP_DATA are arrays that are defined like this: CREATE TYPE PHONENUMBERS AS VARCHAR(10) ARRAY[5] Call GET_EMP_DATA with the two parameters. Connection con; CallableStatement cstmt; ResultSet rs; java.sql.Array inPhoneData; stmt = con.prepareCall("CALL GET_EMP_DATA(?,?)"); // Create a CallableStatement ... |
10. Reading / Writing in to table coderanch.com[ I don't exactly agree to this. Creating a lock till the transaction completes is in itself a bottleneck. Even through we have multiple threads runnning, none will be processing till the lock is released. I don't understand how this is any different from synchronisation. It depends on how the database implements read committed transaction isolation but the locking mechanism is ... |
11. Reading data from database table that contains control characters. coderanch.comOk i am completely stuck with this one. I have the following bit of code that reads data from the an Oracle table (Note: This is running on Jdk 1.4.2) ResultSet message = messageStatement.executeQuery(getMsgSql); String messageData = message.getString("MESSAGE_DATA"); The data in the MESSAGE_DATA column contains text but also control characters that separate data elements in the message (i.e (char)31, (char)29) and ... |
12. Reading data from multiple tables. Any better way than this? coderanch.comHi Jan, Thanks for the response. Can we just get connection once and then perform read from 6 tables and finally return connection? isn't it better than borrowing-releasing 6 times ? I am not sure how expensive is to locate datasource from jndi and get a connection out of it 6 times ie. for each table individually. What is the possible ... |
13. read txt file,with some records, create objects and store objects in tables of a db. java-forums.orgread txt file,with some records, create objects and store objects in tables of a db. hello friends. I am new in programming. I have an exercise with DB and Java. I want to read a textfile with some records ,create odjects and then put the objects in 3 tables ( I create these 3 tables with NETBEANS 6.5, and ... |
14. out of memory when reading a table java-forums.org |
15. How to read block of rows from database tables java-forums.orgI have created a Database Application in Java and display all the records in tabular format of one Table. This table have Millions of Rows, If I run Select * from Table, then my Machine not responding, so Now I wants to add paging of 1000 rows at one time. Is there are any option to read block of rows at ... |
16. reading from serial port and saving the data into sql table forums.oracle.comi having problem in saving the data that comes from the serial port into the table can anyone help me please?? after running the program, i checked the table,there is no data saved |
17. Read database-writeExcel-readExcel-Write database table forums.oracle.com//In the following method we will be reading the Table from the Database and write it in an Excel File public void getDataAndWrite() throws ClassNotFoundException, SQLException, WriteException, IOException { Connection conn = null; //Manages connection Statement stmt = null; //Query statement ResultSet rs = null; final String driver = "oracle.jdbc.driver.OracleDriver"; final String url = "jdbc:oracle:thin:@inbgewdrnd90hfm:1521:VISUAL"; //This URL will be specific to ... |
18. Reading data from database table that contains control characters. forums.oracle.comI have the following bit of code that reads data from the an Oracle table (Note: This is running on Jdk 1.4.2) ResultSet message = messageStatement.executeQuery(getMsgSql); String messageData = message.getString("MESSAGE_DATA"); The data in the MESSAGE_DATA column contains text but also control characters that separate data elements in the message (i.e (char)31, (char)29) and (char)28) . What i am finding is that ... |
// derived from SUN's examples in the javax.comm packageimport java.io.*; import java.util.*; //import javax.comm.*; // for SUN's serial/parallel port libraries ...