1. JDBC Query excecution stackoverflow.comI am facing an issue while executing queries.I use the same resultSet and statement for excecuting all the queries.Now I face an intermittent SQlException saying that connection is already closed.Now we ... |
2. How do I go about creating and then connecting to and querying a database in Java? stackoverflow.comI've recently started my first programming job, and what I need to do as my main project is to create a program for simulating diesel generator behaviour. I'm creating this program using ... |
3. Java: Connect to Database and return query result stackoverflow.comI am trying to connect to a SQL Server database in Java, execute a query, and return the result to the calling script.
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4. How to use JDBC 2.1 in Java to connect to LDAP stackoverflow.comI downloaded JDBC 2.1 and added jdbcLdap.jar as well as ldap.jar in my class path ( http://sourceforge.net/projects/myvd/files/jdbc%20ldap%20bridge/jdbc%20ldap%20bridge%202.1/jdbc-ldap-2.1.zip/download ). I would like to use it in my java application to ... |
5. JDBC Connection Configuration Queries jmeter.512774.n5.nabble.comHi 2. Validation query - This is normally used in pooling systems to check if the connection maintained in the pool is still valid. Say you have a pool of 5 connections and the database is restarted , the connections would not be valid anymore. The Pool implementation could periodically fire a query (the validation query), which would fail, and these ... |
6. JDBC connection query coderanch.com |
7. JDBC connection query coderanch.com |
9. Query about Connection Object coderanch.comHello!! I want to know about closing the connection. How to create, use and close the connection object and what impact this open connectin object can have on the application??? I came across this piece of code. //DataSource ds PrepareStatement putStmt = ds.getConnection().prepareStatement("INSERT INTO TABLE_A( COL1, COL2, COL3) VALUES (?,?,?)"); I want to know what will happen to this connection object ... |
10. Query Regarding Connection coderanch.com |
11. Query on Connection interface coderanch.comWhile writing database programs we use interfaces such as Connection, Statement etc. But our class does not implement these interfaces. Why is it so??? For example: class xyz { Connection con = DriverManger.getConnection(); Statement stmt = con.createStatement() ..... } Here our class does not implement Connection as well as Statement interfaces It will be very helpfull if someone gives us the ... |
12. Single connection with parallel queries coderanch.comI always thought of a connection (i.e. a TCP socket channel opened with a couple {login,password} to the database server) as allowing parallel queries (i.e. queries launched by parallel threads in the same process), since a good "connection" paradigm is one that allows to reduce the redundancy of connection infos in the client program. But I experienced that with Oracle [9.2.0.1.0] ... |
13. Some Query related to Connection Pooling coderanch.comi m using mysql driver on tomcat webserver and using JNDI based connectionpooling. and i made a connection succesfully. i have made a connection accordingly as given in tomcat documentation on Connection pooling. i have a number of querys 1. In the initial context , why we write string "java:/comp/env" what its significance ? Does it point to particular location in ... |
14. Some Query related to connection pooling coderanch.comi m using mysql driver on tomcat webserver and using JNDI based connectionpooling. and i made a connection succesfully. i have made a connection accordingly as given in tomcat documentation on Connection pooling. i have a number of querys 1. In the initial context , why we write string "java:/comp/env" what its significance ? Does it point to particular location in ... |
15. Query regarding Connection pooling coderanch.comFirstly, I have lot of Queries. so any one can answer any query will be helpful. I think java ranch is best forum to get answer related java queries. So I call upon all java geeks to clarify my doubts regarding this. i m using mysql driver on tomcat webserver and using JNDI based connectionpooling. and i made a connection succesfully. ... |
16. jdbc connection and query execution coderanch.comi am trying to connect to a database and execute a query. it is falling out when it gets ready to execute the query, but i am not sure if it is something that i am doing with my connections prior to that. i have the system DSN set up in the ODBC data source administrator, so that database is there. ... |
17. Query regarditng Connection Pooling coderanch.comNo. You have to return the connection to the pool, by calling it's close(). Also for other ConnectionPool implementations. The mechanism is: You ask a connection from the pool. You use the connection to perform one or more sql activities You return the connection to the pool by closing the connection. Regards, Jan |
18. How sql Queries possible in DAO without creating Database connections coderanch.com |
19. JDBC Connection Isolation level query coderanch.com |