D00_20.jpg' alt='Dbms Client Installation' title='Dbms Client Installation' />Oracle JDBC Frequently Asked Questions This document contains answers to the most frequently asked questions about Oracles JDBC drivers. Note that this FAQ addresses specific technical questions only and are used to document solutions to frequent customer questions as well as any known problems. Go through the JDBC Reference Guide and Javadoc for JDBC for more detailed information. The section below highlights the key JDBC features of 1. Release 2. The Java Database Connectivity JDBC API is the industry standard for database independent connectivity between the Java programming language and a wide range of databasesSQL databases and other tabular data sources, such as spreadsheets or flat files. Oracle Client Silent installation and Issues Silent installation avoids to monitor any installation because no graphical output is displayed and even no inuput is. RW0In9A/TcJVYJOyDVI/AAAAAAAAADg/pxFE6UIOEho/s1600/fwadm_vm_002.gif' alt='Dbms Client Installation Wizard' title='Dbms Client Installation Wizard' />Beginning with Oracle Database Release 11. Solaris 11 SRU7, you can run dbfsclient in mount mode. Please see Oracle Database Release 11. Note. CrossPremises deployments of SAP systems where Azure Virtual Machines running SAP systems are members of an onpremises domain are supported for production SAP. The JDBC API provides a call level API for SQL based database access. JDBC technology allows you to use the Java programming language to exploit Write Once, Run Anywhere capabilities for applications that require access to enterprise data. With a JDBC technology enabled driver, you can connect all corporate data even in a heterogeneous environment. There are lots of books on Java. A few of the more popular ones are Please refer to the table below for the three versions of supported JDBC drivers. Please note that the information in this table provides the summary for your convenience, we recommend you to refer to page4 on Lifetime Support Policy for more details and for any updates. Please refer to the table below for the Oracle database versions supported by JDBC drivers. Best Practice that we recommend is, JDBC driver version should always be either same as or higher than the Oracle database version being used in order to leverage the latest capabilities of the JDBC driver. Installation. The first step is to ensure that you already have a working installation of web server usually Apache, database server usually MySQL, PostgreSQL. If it is not listed in the above table then please check with your support channel to check if you are still on the support contract for the older versions. Please download the required JDBC jar files from the Oracle Technology Network SQLJ JDBC Download Page. Yes. The actual. The only difference is the. OCI client. The. Oracle provides four different types of JDBC drivers, for use in different deployment scenarios. While all Oracle JDBC drivers are similar, some features apply only to JDBC OCI drivers and some apply only to the JDBC Thin driver. Back to Toporai. 18n. How can I make it smallerIf you wish to reduce the size of orai. The file orai. Instead of extracting only the character set glb files that your application uses, follow this three step process Unpack orai. Delete all files in your temporary directory EXCEPT few important files as explained below. The character set glb files that your application uses AND the following 1. Class. Loader. Chooser. Converter. Archive. GDKMessage. class oraclei. GDKOracle. Meta. Data. Ora. Class. Loader. Ora. Resource. Bundle. Messages. class oraclei. Character. Converter. Byte. class oraclei. Character. Converter. OGS. class oraclei. Character. Converter. Byte. class oraclei. Character. Converter. GB1. 80. 30. class oraclei. Character. Converter. JAEUC. class oraclei. Character. Converter. LC. class oraclei. Character. Converter. LCFixed. class oraclei. Character. Converter. ZHTEUC. class oraclei. Character. Converter. Byte. Fixed. class oraclei. Character. Converter. SJIS. class oraclei. Character. Converter. Shift. class The character set glb files are located in oraclei. Oracle. Character. Set. Id. glb where lt Oracle. Character. Set. Id is the hexadecimal representation of the Oracle character set ID. The decimal representation of this ID can be found by the SQL function, NLSCHARSETID. For example, if your application connect to a JA1. SJIS database, the following SQL would return 8. NLSCHARASETIDja. DUAL Manually convert this decimal value to hexadecimal value and get 3. Therefore, you should save oraclei. In your temporary directory, ensure you have the same directory structure as the original package. All glb files and the 1. Oracle. Character. Set. Id. glb filesoraclei. Create a new jar file from the temporary directory using a different file name other than orai. CLASSPATH. Back to Top. What threads do the Oracle JDBC drivers createThe drivers create a number of different threads, but only on an as needed basis. They do not create the threads unless your code makes use of the feature that depends on the thread. All of these threads are daemon threads. Statement timeout thread. This thread is created if you execute any statement with a timeout. Only one thread is created no matter how many statements or connections. This thread lasts the lifetime of the VM. Implicit Connection Cache timeout thread. Used to enforce timeouts on the connection cache, and is enabled when at least one timeout property on the connection cache is enabled. Mp3 Converter Software Free Download For Windows 7. There is one thread per connection cache. It lasts the lifetime of that connection cache. Fast Connection Failover Event handler thread Listener thread to receive HA events from RAC. Started only when FCF is enabled. There is one thread per connection cache. It lasts the lifetime of that connection cache. FCF worker thread Processes UPDOWN events Started only when the events are being processed, and terminates after it is done its job. Runtime Load Balancing Event Handler thread This is the listener thread that receives RLB events from RAC. Started only when FCF is enabled. There is one thread per connection cache. It lasts the lifetime of that connection cache. RLB Gravitate connection cache thread This is started only when RLB is enabled, and when there is a need to gravitate connections in the cache to healthy instances. The thread terminates after it has finished its job. Oracle. Connection. Cache. Impl timeout thread Deprecated. Started only when this old cache is used, to enforce timeouts on the old cache. There is one thread per connection cache. It lasts the lifetime of that connection cache. Back to Top. What permissions do the Oracle JDBC drivers require When your application is run with a Security. Manager enabled which it should in production certain operations are priviliged. In order to do those operations the code must be granted the appropriate permissions. As usual, it depends. It depends on what you are trying to do. Beginning with 1. Security. Manager is enabled. This requires quite a long list of permissions. In a secure environment you only want to grant the necessary permissions, so which permissions you grant depends on what your application is asking the drivers to do. The way to find out what permissions to grant is to look at the file ojdbc. This is a generic security policy file that you can use to grant the drivers all the necessary permissions. In most cases you will want to comment out many of the permissions since your app doesnt use the features that requires those permissions. This file depends on a number of system properties. To use this file you will have to define those properties using the D option to the java command. Some of the permissions need only be granted to the JDBC driver code. The operations that require those permissions are enclosed in a do. Priviliged block. Other permissions must also be granted to the code that calls the drivers. Those operations are not enclosed in do. Priviliged blocks. Which is which was chosen so as to make it as difficult as possible to use the drivers to cause mischief.