Java Database Connectivity (JDBC) is a Java standard that provides the interface for connecting from Java to relational databases.

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JDBC pooling Oracle driver Socket read timed out

I run Java EE application on Glassfish server v3 together with Oracle 12 DB on the same machine under Windows Server 2012 64bit. I use latest ojdbc7 driver. Connection pool config: <jdbc-...
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LISTEN/NOTIFY pgconnection goes down java?

I am using PostgreSQL DB and applying it's LISTEN/NOTIFY functionality. So my listener is at my AS (Application Server) and I have triggers configured on my DB such that when CRUD operations are ...
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263 views

How to connect DB2 with eclipse on mac?

I tried to connect the DB2 Express-C Version 10.1 to Eclipse Mars but it returns an exception when I tried to run the program. com.ibm.db2.jcc.am.DisconnectNonTransientConnectionException: Error ...
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How do i connect to remote oracle isql server using ODBC?

I have access to a public oracle iSQL*Plus Release 9.2.0.1.0 server (ex url : 1xx.1xx.1x.200/isqlplus). I need to set up an ODBC Data Source using this isql server. Please help me to setup an ODBC ...
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Connection to Azure SQL from Java

I try to connect to Azure SQL with MS JDBC driver: import java.sql.*; public class ExampleSQLJDBC { public static void main(String[] args) { // Setting. String connectionUrl = "...
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JDBC Exception JZ0BE: BatchUpdateException: A user with System Administrator (SA) role must reconfigure the system to enable Java

I am using Sybase JDBC JConnect3 driver to insert large data in a table using Batch Insert feature of JDBC. I am preparing a batch of 100 inserts and executing the batch. But it is throwing below ...
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717 views

Tomcat7 JDBC connection pool -> Connection has been abandoned

I have the following configuration for the JDBC connection pool initialSize="2" minIdle="10" maxIdle="50" maxActive="100" maxWait="15000" jdbcInterceptors="org.apache.tomcat.jdbc.pool.interceptor....
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How monitor TEMP space allocation for a particular object type like Clob\Blob

I am new to Oracle and i wanted to know if there is a way to monitor Clob\Blob objects allocation in Oracle Temp Space. With JDBC 4.0, we have clob.free() and blob.free() methods and i want a way to ...
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How to separate out individual sql statements from Oracle SQL script for execution from java code

I have Oracle DB 11g Enterprise Edition and I want to execute sql script from my java code. I am reading this sql script from a .sql file and the script contains statements such as create table, ...
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JDBC Statement vs. Prepared Statement SQL Injection

as far as I understand a "normal" JDBC Statement which is created via conn.createStatement() is prone to SQL-Injection. A prepared statement protects from such attacks. So why/when should I use a ...
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DB2 SQL error: SQLCODE: -805, SQLSTATE: 51002

I am doing a batch process which fetches rows from table 50000 times. The query is: SELECT * FROM <table name> WHERE <condition; this changes for each iteration(50000)> This batch ...
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MySQL/JDBC: Can a commit on server get missed on client?

I am wondering about when conducting a transaction of one or two updates/inserts from a JDBC client to MySQL Server over the network... In the event of losing the network during the commit, can I get ...
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910 views

JDBC connection error for SQL Server Database

I have a SQL server names as MS8AT09\AT09. I am able to login to the server through Microsoft SQL server Management studio. While trying to login to same server through JDBC I am facing the error as ...
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Why decrease the wait_timeout configuration parameter in MySQL?

Question I'm working on an application that uses a connection pool in Apache Tomcat to communicate with MySQL. I was wondering why would you want to use a smaller wait_timeout than the default of 28,...
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107 views

What is the best way to take backup for Remote DB Server [closed]

I am building a software, which will supports multiple database like MySQL, Oracle and PostgreSQL. These databases are installed on remote machines. i wanted to use java technology in a non-database ...
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Mariadb Prepared Statements stopped working, they were OK last week, I need help locating the issue

I have a number of stored procedures that were working perfectly well last week, but this week are causing me problems. The first problem is I seem to be getting the following: Mariadb SQL ...
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109 views

Using SELECT to call a function in a jdbc migration

I'm looking to set up some Postgres/PostGIS migrations with clojure/jdbc. running side-effect functions with SELECT is proving to be an issue, with most migration libs eventually throwing the A ...
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61 views

SQL Server doesn't send intermediate SSL certificates

I am connecting to SQL Server (2008 R2) over open Internet and properly encrypting the connection is essential. I have COMODO certificate with two intermediate certificates between root CA and server ...
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88 views

Measure Performance for INSERT, UPDATE and DELETE commands on DB2

I have a DB2 database with a table for daily transactions, which is cleared to a history table at the end of the day, every day. I insert rows to this table via java-JDBC INSERT commands and they ...
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how to disable a mysql database for specific time

In my application there was an exception on run time when due to some network issue database connection not created and application closed. To trace this in my application at runtime I need to disable ...
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218 views

Postgres Public Synonym Issue

PostgreSQL ver 9.4.5. Linux OS. Application: Web Based Platform: App Server (java) --> jdbc call --> Database Server (PostgreSQL) I do know that PostgreSQL does not support the public ...
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Is there any way to retrieve “Messages” in SQL Server through JDBC?

By "Messages" I mean the Messages tab in the following figure, which includes "Warning", "n rows affected" and in the figure below, the execution time. In JDBC, ResultSet class is used to retrieve the ...
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Oracle Database keeps JDBC pooled connections on DRCP configured port as dedicated

Our developers have had an application in java that connects to the database and JDBC was controlling their connection pools. To comply with pooling requirements for our PHP developers, we enabled ...
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69 views

Can sequential queries result in concurrent transactions?

I'm using PostgreSQL 9.4.4 and the default configuration. I use a JDBC connection to run multiple queries in succession. Only one Java thread is using the connection and before a new query is executed ...
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JDBC local MSSQL Server connection string

I have installed open source database management tool "dbeaver" and want to use it instead of Sql Server Management Studio. But there is a problem. I searched from the internet but somehow I could not ...
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Replacing a large object in PostgreSQL

What should one do when one wishes to replace a large object with a new large object. An example would be to update an uploaded file with a new version. One way would presumably be to create a new ...
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434 views

JDBC Connection Reset Error

I'm trying to connect to my database from my application server using regular JDBC connection string and while connections are happening most of the times, say 10 times but the 11th time it hangs and ...
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Insert Speeds for large batches

In my application, my INSERTs seem to be taking a major chunk of the time. I have a large number of objects in memory (~40-50,000) which i want to insert into a table. Lets take a sample table ...
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80 views

What is wrong in my jdbc config pool?

I am using clearDB with max_connections plan being 40. This is my jdbc pool configuration: <bean id="dataSource" class="org.apache.tomcat.jdbc.pool.DataSource" destroy-method="close" ...
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Connection Reset by Peer: Socket Write Error

We have a vendor working on Java (JDBC) application saying they are getting the error Connection Reset by Peer: Socket Write Error They are insisting that the SQL Server (SQL Server 2012) is ...
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sqoop dir not found in hortronworks virtualbox

when trying to copy sqljdbc driver to /usr/lib/sqoop/lib it gives error cannot create regular file 'usr/lib/sqoop/lib/' No such File or Directory exist any idea what is missing? downloaded ...
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521 views

Oracle instant client

What is the difference between instant client and the original Oracle client? The Oracle client is almost 800MB and the instant client is not so much. I need to install oracle client, ODBC drivers and ...
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JDBC - maximum allowable cursors - how do I see my open statements?

I've got some resource leaking and I'm trying to find what's causing them. I think I have some statements or resultsets that aren't being closed properly. Is there any way to see all of the cursors ...
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279 views

Weblogic Error: Connection test failed [closed]

I am trying to create a SQL Server 2014 data source in weblogic through admin console. When I click on test configuration, I get the following error: Message icon - Error Connection test failed. ...
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1answer
58 views

Accurate PG database size for comparing representations

I have a Java/JDBC program that takes a sample file and imports the data into the database, shredding it across multiple relations. The program does this multiple times for several different ...
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JDBC - accessing a query, then querying that query

Sorry if the way I phrased that is confusing. I'm writing a program that acts kind of like a filter - it retrieves an answer to a query, counts the rows, then I want to do a slightly more narrow ...
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1answer
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JDBC prepared statement - make a token null

So, I have an insert statement in a Java program I'm writing. Under some conditions, I want it to insert some values as null. However, before I can execute the statement, I have to set all of the ...
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Causing ORA errors in a program using JDBC. How can I find what's causing them?

So I'm building a java app to interface with the company's database. Whenever it causes an ORA error, it just prints something like the following to system output: ORA-00911: invalid character Is ...
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353 views

Dealing with single quotes in a dynamic query [closed]

I'm building a query as a string in my application layer to be executed over jdbc. The string is constructed as follows: "SELECT COUNT(DISTINCT ROOT_ID) as rows1 FROM DANIEL.UNIQUE_PHYSICIAN " ...
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848 views

Syntax error using preparedstatements with postgresql

I have a Java application connecting to a PostgreSQL database. Using straightforward code like: ps = con.prepareStatement(sql); if (dataTypes != null && dataTypes.size() >...
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How to populate another column with a sequence value generated for an identity column?

I have a table that has a column that is determined by a sequence using the identity column thing, so after a record is inserted (or during, I'm not sure how it works behind the scenes, only that it ...
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oracle DB connection - hostdef extension doesn't exist

I am trying to connect to an Oracle DB through ERwin, yet I keep getting this error message: I know that the DB exists, as my coworkers are accessing it. The Username and Password are also correct, ...
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1answer
88 views

Driver properties for db2jcc in Squirrell and MON_GET_CONNECTION table function

I'm trying to set driver properties like: clientAccountingInformation clientApplicationInformation clientProgramId clientProgramName in Squirrell 3.6 (http://squirrel-sql.sourceforge.net/). See ...
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Access operator added by extension inside a schema

I am writing an application that uses postgres. Each microservice uses its own schema inside the database. So connect to the database schema I use this jdbc string: jdbc:postgresql://${db.host}/${db....
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838 views

No suitable driver found Orientdb jdbc driver

I have some problems with Orientdb driver for jdbc. i´m using Netbeans, i have include the library JDBC+OrientDB libraries (orientdb-jdbc-2.0.8-all.jar) in the directory and in netbeans, i have also ...
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PostgreSQL updates hang when two servers involved

I have an update statement that works fine when only a single server is involved, but never completes when it comes from two servers. I'm connecting with JDBC 9.1-902 to a 9.3 database on CentOS 6.6. ...
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ORA-12516 but max_utilization not reaching limit

Our app began to raise ORA-12516, TNS:listener could not find available handler with matching protocol stack errors, and I'm trying to diagnose why. The workload has not changed, so I think we might ...
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642 views

MySQL overhead of calling a Stored Procedure

Within Java, we access MySQL (v5.5.40) via JDBC -- a prepare statement, setting parameters then calling the stored procedure. It appears that every execute() has the overhead of 4 meta-calls (per ...
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jdbc connection string ORACLE , integrated security

we are trying to configure Spotfire to use JDBC connection to ORACLE. We would like it to use integrated security (I call it Active Directory, TIBCO seems to like integrated security). Here is the ...
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MySQL SSL using MariaDB JDBC Driver

We have the following setup: Ec2 instance running a jboss server with mariadb (1.1.7) datasources setup to connect to an rds instance running MySQL 5.6.21. We would like to turn on SSL on for this ...