Oracle recommends that you include them in your database. Scripts are useful for performing postinstallation tasks, such as loading custom schemas.
Note that if you choose to run scripts after installation, then your scripts must include a connection string that identifies the database. Click Help for more information. The links in this window provide access to additional windows that enable you to change the default initialization parameter settings. These parameters fall into the following categories:. You can also click the All Initialization Parameters button at the bottom of the window to display a list of all the database initialization parameters and their current settings.
Use this window to set the initialization parameters that control how the database manages its memory. You can choose from the following methods for memory management:. Typical —This method requires little configuration, and allocates memory as a percentage of total overall physical system memory. Select Typical and enter a percentage value.
With this setting, the system automatically tunes many of the memory components of the SGA, and allocates memory to individual PGAs as needed.
The system can also dynamically decrease or increase the total amount of memory allocated to the SGA or aggregate PGA, depending on processing demands. The total memory used for the database instance never exceeds the amount you specify. This automatic memory tuning for the instance is known as automatic memory management. Custom —This method requires more configuration than the Typical option, but gives you more control over how the database instance uses system memory.
This option is meant for more experienced database administrators. You can directly specify memory sizes for the SGA and aggregate PGA and their substructures, such as the shared pool and buffer cache. With this setting, automatic shared memory management is enabled for the SGA, and memory is allocated to the individual PGAs as needed.
This disables automatic shared memory management and enables you to determine how the SGA memory is distributed among the SGA memory components. Chapter 5, "Managing the Oracle Instance" for more information about memory management options.
In th is tab, you specify the smallest block size and the maximum number of operating system user processes that can simultaneously connect to the database. Block Size —Use this list to select the block size, or accept the default. Oracle Database data is stored in data blocks of the size specified. One data block corresponds to a specific number of bytes of physical space on disk. Selecting a block size other than the default 8 kilobytes KB value requires advanced knowledge and should be done only when absolutely required.
While using predefined templates, this list is not enabled because the database will be created with the default block size of 8 KB. While using the custom option, you can change the block size. Processes —In this field, specify the maximum number of processes that can simultaneously connect to the database. Enter a number or accept the default value of The default value for this parameter is appropriate for many environments.
The value you select should allow for all background processes, user processes, and parallel execution processes. U se this tab to define the character sets used by your database. Character sets are the encoding schemes used to display characters on your computer screen. The character set determines what languages can be represented in the database. The Unicode standard is the universal character set that supports most of the currently spoken languages of the world.
The use of the Unicode standard is indispensable for any multilingual technology, including database processing. After a database is created and accumulates production data, changing the database character set is a time consuming and complex project. Therefore, it is very important to select the right character set at installation time.
Even if the database does not currently store multilingual data but is expected to store multilingual data within a few years, the choice of AL32UTF8 for the database character set is usually the only good decision. The particular character set is selected based on the current language locale of the operating system session that started OUI or DBCA.
A Microsoft Windows character set is the default even for databases created on UNIX and Linux platforms because Microsoft Windows is the prevalent platform for client workstations. Oracle Client libraries automatically perform the necessary character set conversion between the database character set and the character sets used by non-Windows client applications. You may also choose to use any other character set from the presented list of character sets.
You can use this option to select a particular character set required by an application vendor, or choose a particular character set that is the common character set used by all clients connecting to this database.
Storage space requirements for text in most languages that use characters outside of the ASCII repertoire are higher in AL32UTF8 compared to legacy character sets supporting the language. Note that the increase in storage space concerns only character data and only data that is not in English. The universality and flexibility of Unicode usually outweighs these additional costs. Database Character Set— In this section, select one of the following options:. Use the Default— Select this option to select only the language currently used by the operating system for all your database users and database applications.
Choose from the list of character sets— Select this option if you want Oracle Database to use a character set other than the default character set used by the operating system. National Character Set— In this list, select a character set or accept the default. These data types allow storing of Unicode characters in a database that does not have a Unicode database character set. Unless installation requirements of any of your applications specify otherwise, accept the default value of AL16UTF16 as the national character set.
Default Language —In this list, select a default database language or accept the default. The default language determines how the database supports locale-sensitive information such as day and month abbreviations, default sorting sequence for character data, and reading direction left to right or right to left. Default Territory— In this list, select the name of the territory whose conventions are to be followed for day and week numbering or accept the default.
The default territory also establishes the default date format, the default decimal character and group separator, and the default International Standardization Organization ISO and local currency symbols. Us e this window to select the database mode. You can run the database in either of the following modes:.
Dedicated Server Mode —This mode allows a dedicated server process for each user process. Select this option when the number of total clients is expected to be small, for example, 50 or fewer.
You might also choose this option when database clients typically make persistent, long-running requests to the database. By default, the database is configured for dedicated server processes.
Shared Server Mode— This mode allows several client connections to share a database-allocated pool of resources. Use this mode in configurations in which client load is expected to cause a strain on memory and other system resources.
If you choose shared server mode, then you must indicate the number of server processes you want to create when a database instance is started.
For more information about setting this parameter, click Help. In this window, a navigation tree displays the storage structure of your database control files, data files, online redo log groups, and so forth. If you are not satisfied with the storage structure or parameters, then you can make changes. Note that if you selected a preconfigured template for a database, then you cannot add or remove control files, data files, or undo segments. Save as a Database Template —Select this option to save the database definition as a template to use at a later time.
After you make your choice, click Finish. A confirmation window appears after a short period. You can also use DBCA to delete a database. When DBCA deletes a database, it shuts down the database instance and then deletes all database files. On the Windows platform, it also deletes associated Windows services. In the Operations window, select Delete a Database and click Next. Templates are used in DBCA to create new databases and duplicate existing databases.
The information in templates includes database options, initialization parameters, and storage attributes for data files, tablespaces, control files, and online redo log files. Templates can be used just like scripts, but they are more powerful than scripts because you have the option of duplicating a database.
Duplication saves time because you copy the files of an existing database, referred to as a seed database , to the correct locations. Easy duplication. By creating a template containing your database settings, you can easily create a duplicate database without specifying parameters twice. This type of template contains both the structure and the physical data files of an existing database, referred to as the seed database. Your new database starts as a copy of the seed database, and requires only the following changes:.
The data files for the seed database are stored in compressed RMAN backup format in a file with a. The seed database control file is stored in a file with. This type of template is used to create a new database. It contains the characteristics of the database to be created. Nonseed templates are more flexible than their seed counterparts because all data files and online redo log files are created to your specification, and names, sizes, and other attributes can be changed as required.
Users perform numerous, complex queries that process large volumes of data. Response time, accuracy, and availability are key issues. These queries SELECT statements range from a fetch of a few records to queries that sort thousands of records from many different tables. Many concurrent users perform numerous transactions that require rapid access to data. Availability, speed, concurrency, and recoverability are key issues. This template allows you maximum flexibility in defining a database because you can change any of the settings for the database being created.
In the Operations window, select Manage Templates and click Next. In the Template Management window, select Create a database template and one of the following options, and click Next. Using an existing template, you can create a new template based on the predefined template settings. You can add or change any template settings such as initialization parameters, storage parameters, or whether to use custom scripts.
You can create a new template that contains structural information from an existing database, including database options, tablespaces, data files, and initialization parameters. Step 7. The installer shows you the summary of the information such as global settings, database information, etc.
You need to review the information and click the install button if everything is fine. Step 8. The installer starts installing Oracle database.
It will take a few minutes to complete, depending on your computer. You will see the Database Configuration Assistant window. Click the Password management… button to enter the password for Oracle database accounts.
Step 9. Server Class: You need to select this option when you are installing on a Server Class Systems, which basically means a system you are going to use on Production with more advanced features. Oracle Base: D:apptest Software location: D:apptestproduct After giving the database configuration, it will check if all the prerequisites are met or not. If any of the prerequisites fail, it will show you here. Once all the prerequisites are in place, installation will get started as you can see below.
You can see the progress of installation as well as the status of installation. Once installation is completed without any error, you will get below screen with the URL to login. You have now successfully installed the Oracle Database 12c!!
Note: The base Oracle Database Consult the release notes for more information. If you encounter an INS error during installation on Windows 10, use this workaround to resolve the issue.
Contains the Global Service Manager Software. Download if you want to set up a heterogeneous data integration environment.
Contains examples of how to use the Oracle Database. Download if you are new to Oracle and want to try some of the examples presented in the Documentation.
Language in Windows. You'll need to choose the same language when you install Windows Edition of Windows. You should also choose the same edition of Windows. For more info, go to the Volume Licensing Service Center. Microsoft Office products. If you just purchased a new device that includes Office , we recommend redeeming installing Office before upgrading to Windows
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