Oracle Database Tutorials
Where to find Oracle database server tutorials? Here is a collection of tutorials, tips and FAQs for Oracle DBAs and Oracle database application developers. Clear explanations and simple examples provided can be used as learning tutorials or interview preparation guides. It doesn't matter whether yo... 2017-07-10, 7512👍, 2💬
Original Export/Import Utilities in Oracle
What Are the Original Export and Import Utilities in Oracle? Oracle original Export and Import utilities are standalone programs that provide you a simple way for you to transfer data objects between Oracle databases, even if they reside on platforms with different hardware and software configuratio... 2016-10-15, 692👍, 0💬
Export Several Tables Together in Oracle
How To Export Several Tables Together in Oracle? If you don't want to export the entire schema and only want to export several tables only, you can use the "expdp" command with the "TABLES" parameter as shown in the following tutorial exercise: >cd \oraclexe\app\oracle\product\1 0.2.0\server\B... 2016-10-15, 686👍, 0💬
Disk Space Needed for an Export Job in Oracle
How To Estimate Disk Space Needed for an Export Job in Oracle? If you just want to know how much disk space for the dump without actually exporting any data, you can use the ESTIMATE_ONLY=y parameter on the expdp command. The following tutorial exercise shows you how a system user wants to see the d... 2016-10-15, 669👍, 0💬
Invoke Original Export/Import Utiities in Oracle
How To Invoke Original Export/Import Utilities in Oracle? If you really want to run the original export import utilities, you can still go to "bin" directory of the Oracle server path and run the "exp" or "imp" command. The tutorial exercise below tells you how to run the export and import utilities... 2016-10-15, 665👍, 0💬
Invoke the Data Pump Export Utility in Oracle
How To Invoke the Data Pump Export Utility in Oracle? The Data Pump Export utility is distributed as executable file called "expdp.exe". To invoke this utility, you should go to the "bin" directory of your Oracle server installation and run the "expdp" command. Here is tutorial exercise on how to in... 2016-10-15, 655👍, 0💬
Modes of Data Dump Export and Import in Oracle
What Are Data Pump Export and Import Modes in Oracle? Data Pump export and import modes are used to determine the type and portions of database to be exported and imported. Oracle 10g supports 5 export and import modes: Full: Exports and imports a full database. Use the FULL parameter to specify thi... 2016-10-15, 649👍, 0💬
Invoke the Data Pump Import Utility in Oracle
How To Invoke the Data Pump Import Utility in Oracle? The Data Pump Import utility is distributed as executable file called "impdp.exe". To invoke this utility, you should go to the "bin" directory of your Oracle server installation and run the "impdp" command. Here is tutorial exercise on how to in... 2016-10-15, 644👍, 0💬
Windows Applications Connect to Oracle Servers in Oracle
How Can Windows Applications Connect to Oracle Servers in Oracle? A Windows application can connect to an Oracle server directly, if it knows how to use the Oracle TNS technology. A Windows application can connect to an Oracle server indirectly through Windows ODBC manager, because it offers ODBC dr... 2016-10-15, 1256👍, 0💬
What Is Open Database Communication (ODBC) in Oracle
What Is Open Database Communication (ODBC) in Oracle? ODBC, Open Database Communication, a standard API (application program interface) developed by Microsoft for Windows applications to communicate with database management systems. Oracle offers ODBC drivers to allow Windows applications to connect... 2016-10-15, 1054👍, 0💬
Install Oracle ODBC Drivers in Oracle
How To Install Oracle ODBC Drivers in Oracle? Oracle offers different ODBC drivers for different versions of Oracle servers. When you install an Oracle server or a client tools on your Windows system, the appropriate ODBC driver will be installed for you automatically. If you want to install a speci... 2016-10-15, 678👍, 0💬
Show Installed Oracle ODBC Drivers in Oracle
How To Find Out What Oracle ODBC Drivers Are Installed in Oracle? To find out what Oracle ODBC drivers are installed on your Windows system, you can use the ODBC manager to look at them: Go to Control Panel. Go to Administrative Tools. Run Data Sources (ODBC). Go to System DSN tab. Click the Add but... 2016-10-15, 601👍, 0💬
Define DSN with ODBC Manager in Oracle
How To Define a Data Source Name (DSN) in ODBC Manager in Oracle? DSN (Data Source Name) is an ODBC connection identifier for Windows applications. Here is how you can define a DSN on your Windows system: Go to Control Panel. Go to Administrative Tools. Run Data Sources (ODBC). Go to System DSN tab.... 2016-10-15, 703👍, 0💬
Verify Oracle TNS Settings in Oracle
How To Verify Oracle TNS Settings in Oracle? If you have installed an Oracle server or an Oracle client tool on your local system, the TNS is automatically installed with a simple configuration file, tnsnames.ora, to define Oracle connect identifiers. For example, if you have Oracle XE server instal... 2016-10-15, 681👍, 0💬
Connect MS Access to Oracle Servers in Oracle
How To Connect MS Access to Oracle Servers in Oracle? Once you got a DSN defined in the ODBC manager that connects to an Oracle server, you can connect a normal MS Access document to the Oracle server, and link an Access table to Oracle table. The tutorial below gives you a good example: Start MS Ac... 2016-10-15, 623👍, 0💬
Create Tables for ODBC Connection Testing in Oracle
How To Create Tables for ODBC Connection Testing in Oracle? If you want to follow the tutorial exercises in the sections below, you need to create a user account and a table for ODBC connection testing as shown here: SQL> CONNECT system/retneciyf Connected. SQL> CREATE USER fyi IDENTIF... 2016-10-15, 565👍, 0💬
Connect ASP Pages to Oracle Servers in Oracle
How To Connect ASP Pages to Oracle Servers in Oracle? If you are running Windows IIS Web server and serving ASP Web pages, you can get data from Oracle servers into your ASP pages through ODBC drivers. To do this, you need to install the correct Oracle ODBC driver and define a DSN on the IIS Web ser... 2016-10-15, 563👍, 0💬
What Happens If the Imported Table Already Exists in Oracle? If the import process tries to import a...
What Causes Index Fragmentation in SQL Server? Index fragmentation is usually caused by deleting of ...
How To Replace NULL Values in Expressions using ISNULL() in SQL Server Transact-SQL? As you learned ...
How To Format Time Zone in +/-hh:mm Format in SQL Server Transact-SQL? From the previous tutorial, y...
How To Create a Dynamic Cursor with the DYNAMIC Option in SQL Server Transact-SQL? If the underlying...