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What Is the Data Pump Import Utility
What Is the Data Pump Import Utility? - Oracle DBA FAQ - Loading and Exporting Data Oracle Data Pump Import utility is a standalone programs that allows you to import data objects from an Oracle dump file set into Oracle database. Oracle dump file set is written in a proprietary binary format by the... 2007-05-01, 7713👍, 0💬

What Are Data Pump Export and Import Modes
What Are Data Pump Export and Import Modes? - Oracle DBA FAQ - Loading and Exporting Data 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. U... 2007-05-01, 7695👍, 0💬

How To Estimate Disk Space Needed for an Export Job
How To Estimate Disk Space Needed for an Export Job? - Oracle DBA FAQ - Loading and Exporting Data 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 ... 2007-05-01, 6137👍, 0💬

What Is SQL*Loader
What Is SQL*Loader? - Oracle DBA FAQ - Loading and Exporting Data SQL*Loader is a database tool that allows to load data from external files into database tables. SQL*Loader is available as part of the free Oracle 10g Expression Edition. It has some interesting features as: Can load data from multip... 2007-04-30, 5710👍, 0💬

How To Invoke the Data Pump Export Utility
How To Invoke the Data Pump Export Utility? - Oracle DBA FAQ - Loading and Exporting Data 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. He... 2007-05-01, 5703👍, 0💬

What Are the Original Export and Import Utilities
What Are the Original Export and Import Utilities? - Oracle DBA FAQ - Loading and Exporting Data 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 differen... 2007-05-02, 5614👍, 0💬

How To Load Data with SQL*Loader
How To Load Data with SQL*Loader? - Oracle DBA FAQ - Loading and Exporting Data Let's say you have a table defined as: CREATE TABLE student (id NUMBER(5) PRIMARY KEY, first_name VARCHAR(80) NOT NULL, last_name VARCHAR(80) NOT NULL, birth_date DATE NOT NULL, social_number VARCHAR(80) UNIQUE NOT NULL)... 2007-04-30, 5602👍, 0💬

What Is an External Table
What Is an External Table? - Oracle DBA FAQ - Loading and Exporting Data An external table is a table defined in the database with data stored outside the database. Data of an external table is stored in files on the operating systems. Accessing data of external tables are done through data access d... 2007-04-30, 5524👍, 0💬

How To Import One Table Back from a Dump File
How To Import One Table Back from a Dump File? - Oracle DBA FAQ - Loading and Exporting Data If you only want to import one table back to the database, you can use a dump file that was created by full export, schema export or a table export. The following tutorial exercise shows you how to import th... 2007-05-02, 5375👍, 0💬

What Are the Restrictions on External Table Columns
What Are the Restrictions on External Table Columns? - Oracle DBA FAQ - Loading and Exporting Data When creating external table columns, you need to watch out some restrictions: "PRIMARY KEY" is not allowed. "NOT NULL" is not allowed. "DEFAULT value" is not allowed. 2007-04-30, 5358👍, 0💬

How To Invoke the Data Pump Import Utitlity
How To Invoke the Data Pump Import Utitlity? - Oracle DBA FAQ - Loading and Exporting Data 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. H... 2007-05-01, 5311👍, 0💬

What Is a SQL*Loader Control File
What Is a SQL*Loader Control File? - Oracle DBA FAQ - Loading and Exporting Data A SQL*Loader control file a text that defines how data files should be loaded into the database. It allows you to specify: Where is the input data file. The format of the input date file. The target table where the data... 2007-04-30, 5246👍, 0💬

How To Load Data from External Tables to Regular Tables
How To Load Data from External Tables to Regular Tables? - Oracle DBA FAQ - Loading and Exporting Data Once you have your data entered in a text file, and an external table defined to this text file, you can easily load data from this text file to a regular table. The following tutorial exercise sho... 2007-05-01, 5237👍, 0💬

How To Export Your Own Schema
How To Export Your Own Schema? - Oracle DBA FAQ - Loading and Exporting Data If you have a non-system user account and you want to export all data objects in the schema associated with your account, you can use the "expdp" command with the SCHEMAS parameter. Running "expdp" command with a non-system... 2007-05-01, 5223👍, 0💬

Where Is the Export Dump File Located
Where Is the Export Dump File Located? - Oracle DBA FAQ - Loading and Exporting Data If you are not specifying the dump directory and file name, the dump file will be stored in the default dump directory with the default file name. The tutorial exercise below tells you find what is your default dump... 2007-05-01, 5222👍, 0💬

How To Define an External Table with a Text File
How To Define an External Table with a Text File? - Oracle DBA FAQ - Loading and Exporting Data You can use the CREATE TABLE statement to create external tables. But you need to use ORGANIZATION EXTERNAL clause to specify the external file location and the data access driver. The tutorial exercise b... 2007-04-30, 5213👍, 0💬

What Is the Data Pump Export Utility
What Is the Data Pump Export Utility? - Oracle DBA FAQ - Loading and Exporting Data Oracle Data Pump Export utility is a standalone programs that allows you to export data objects from Oracle database to operating system files called dump file set, which can be imported back to Oracle database only ... 2007-05-01, 5159👍, 0💬

How To Do a Full Database Export
How To Do a Full Database Export? - Oracle DBA FAQ - Loading and Exporting Data If you are ready to do a full database export, you can use the FULL=y parameter on the expdp command, as shown in the following tutorial exercise: >expdp SYSTEM/fyicenter FULL=y ESTIMATE_ONLY=y Starting "SYSTEM"."SYS_EXP... 2007-05-01, 5119👍, 0💬

What Is the Quickest Way to Export a Table to a Flat File
What Is the Quickest Way to Export a Table to a Flat File? - Oracle DBA FAQ - Loading and Exporting Data The quickest way to export a table to a flat file is probably to use the SQL*Plus SPOOL command. It allows you to record SELECT query result to a text file on the operating system. The following ... 2007-04-30, 5059👍, 0💬

What Is a Directory Object
What Is a Directory Object? - Oracle DBA FAQ - Loading and Exporting Data A directory object is a logical alias for a physical directory path name on the operating system. Directory objects can be created, dropped, and granted access permissions to different users. The following tutorial exercise sh... 2007-04-30, 5012👍, 0💬

How To Export Several Tables Together
How To Export Several Tables Together? - Oracle DBA FAQ - Loading and Exporting Data 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\o... 2007-05-01, 4983👍, 0💬

How To Load Data through External Tables
How To Load Data through External Tables? - Oracle DBA FAQ - Loading and Exporting Data If you have data stored in external files, you can load it to database through an external table by the steps below: Create an external table with columns matching data fields in the external file. Create a regul... 2007-04-30, 4962👍, 0💬

How To Invoke the Original Export Import Utilities
How To Invoke the Original Export Import Utilities? - Oracle DBA FAQ - Loading and Exporting Data 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 ho... 2007-05-02, 4935👍, 0💬

How To Export Data with a Field Delimiter
How To Export Data with a Field Delimiter? - Oracle DBA FAQ - Loading and Exporting Data The previous exercise allows you to export data with fixed field lengths. If you want export data with variable field lengths and field delimiters, you can concatenate your fields with an expression in the SELEC... 2007-04-30, 4923👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML