Embark on a transformative journey into the realm of database administration with this complete information to putting in Oracle 19c. This sturdy database answer empowers organizations with the scalability, reliability, and safety they should navigate the ever-evolving technological panorama. Whether or not you are a seasoned IT skilled or simply beginning your journey on the planet of knowledge, this step-by-step roadmap will information you thru the nuances of putting in Oracle 19c, making certain a seamless and environment friendly course of.
In contrast to its predecessors, Oracle 19c boasts a plethora of modern options that improve efficiency, safety, and manageability. Its self-driving capabilities, powered by machine studying algorithms, automate mundane duties, liberating up IT assets for extra strategic initiatives. Moreover, Oracle 19c introduces enhanced encryption protocols, offering an impenetrable layer of safety in your delicate knowledge. Because of this, organizations can leverage the total potential of their knowledge belongings with confidence and peace of thoughts.
Moreover, Oracle 19c seamlessly integrates with cloud platforms, enabling organizations to leverage the scalability and suppleness of the cloud to fulfill their evolving enterprise wants. This hybrid method offers the perfect of each worlds, permitting companies to optimize their infrastructure and cut back prices whereas sustaining the efficiency and safety of their on-premises programs. By embracing Oracle 19c, organizations unlock a world of prospects, empowering them to make data-driven choices that drive enterprise development and innovation.
Stipulations for Oracle 19c Set up
Working System Necessities
Oracle 19c requires a appropriate working system (OS). The supported OS variations and their respective necessities are as follows:
Supported OS Variations:
| OS | Model |
|---|---|
| Purple Hat Enterprise Linux | 8.4, 8.5 |
| Oracle Linux | 8.4, 8.5 |
| CentOS | 8.4 |
| SUSE Linux Enterprise Server | 15 SP2 |
{Hardware} Necessities
The minimal {hardware} necessities for Oracle 19c set up are as follows:
- Processor: 2 CPUs
- Reminiscence: 8 GB RAM
- Disk House: 100 GB of accessible disk area
- Community: Gigabit Ethernet
Software program Necessities
The next software program elements are required for Oracle 19c set up:
- Java Runtime Atmosphere (JRE) 1.8 or later
- Perl 5.16 or later
- make utility
- GNU C Compiler (GCC) 5.4 or later
- X Window System (X11) libraries
Downloading the Oracle 19c Software program
As a preparatory step, you may must receive the Oracle 19c software program earlier than initiating the set up course of. To take action, comply with the offered tips:
Oracle Software program Get Began Web page
1. Navigate to the official Oracle web site: https://www.oracle.com/database/technologies/oracle-database-software-downloads.html.
2. Find the Oracle Database 19c part and click on on the “Get Began” button.
Creating an Oracle Account
1. If you do not have an Oracle account, you may must create one by clicking on the “Create an account” hyperlink.
2. As soon as you’ve got accomplished the account creation course of, register along with your new credentials.
Downloading the Oracle 19c Software program
1. On the Get Began web page, choose the tab for “Downloads”.
2. Find the “Oracle Database 19c” part and click on on the “Obtain” button.
3. Select the suitable platform and language in your working system.
4. Fastidiously overview the phrases and situations earlier than clicking on “Settle for and Obtain”.
5. As soon as the obtain is full, extract the downloaded file to a handy location in your system.
Supported Working Programs:
| Working System | Structure |
|---|---|
| Purple Hat Enterprise Linux | x86-64 (64-bit) |
| Oracle Linux | x86-64 (64-bit) |
| Microsoft Home windows Server | x64 (64-bit) |
Creating the Oracle Database Consumer and Group
Oracle’s database elements, such because the Oracle Database, Listener, and Enterprise Supervisor, are managed by an oracle person and group. These customers and teams have to be created on the system earlier than the Oracle software program might be put in.
Creating the Oracle Consumer
To create the oracle person, use the next command as the basis person:
useradd -m -g oinstall oracle
This command creates the oracle person and assigns it the first group oinstall.
Creating the Oracle Group
To create the oinstall group, use the next command as the basis person:
groupadd oinstall
This command creates the oinstall group.
Granting Privileges to the Oracle Consumer and Group
The oracle person and oinstall group have to be granted particular privileges to carry out database operations. Use the next instructions as the basis person to grant these privileges:
Granting Privileges to the oracle Consumer
| Command | Description |
|---|---|
| usermod -aG oinstall oracle | Provides the oracle person to the oinstall group |
| usermod -aG dba oracle | Provides the oracle person to the dba group (for database administration) |
| usermod -aG asmdba oracle | Provides the oracle person to the asmdba group (for Automated Storage Administration) |
Granting Privileges to the oinstall Group
| Command | Description |
|---|---|
| chgrp oinstall /decide/oracle | Modifications the group possession of the /decide/oracle listing to oinstall |
| chmod 775 /decide/oracle | Units the permissions on the /decide/oracle listing to permit the oinstall group to learn, write, and execute |
Configuring the Database Firewall
The database firewall limits entry to the database by untrusted networks and customers. Earlier than creating the database, you have to configure the firewall to permit entry out of your native machine.
Step 1: Allow the Firewall
Open a terminal window and run the next command:
“`bash
sudo ufw allow
“`
This command will allow the firewall.
Step 2: Enable Entry to the Database Port
By default, Oracle runs on port 1521. To permit entry to this port, run the next command:
“`bash
sudo ufw enable 1521/tcp
“`
You can even specify a distinct port in case you have modified the default port in the course of the database set up.
Step 3: Enable Entry to Your Native Machine
To permit entry to your native machine, run the next command:
“`bash
sudo ufw enable from 127.0.0.1 to any port 1521
“`
This command will enable all site visitors out of your native machine to port 1521, whatever the IP deal with.
Step 4: Enable Entry from Particular IP Addresses (Non-compulsory)
If you wish to enable entry to the database from particular IP addresses, you possibly can add them to the firewall guidelines. Run the next command for every IP deal with you need to enable:
“`bash
sudo ufw enable from
“`
For instance, to permit entry from the IP deal with 192.168.1.100, you’ll run the next command:
“`bash
sudo ufw enable from 192.168.1.100 to any port 1521
“`
You can even use CIDR notation to permit entry from a variety of IP addresses. For instance, to permit entry from the IP deal with vary 192.168.1.0/24, you’ll run the next command:
“`bash
sudo ufw enable from 192.168.1.0/24 to any port 1521
“`
Putting in the Oracle 19c Software program
To put in Oracle 19c, you will have to comply with these steps:
- Obtain the Oracle 19c software program from the Oracle web site.
- Extract the contents of the downloaded file to a brief listing.
- Run the Oracle Common Installer (OUI) program.
- Observe the prompts within the OUI to put in Oracle 19c.
5. Verifying the Set up
As soon as Oracle 19c has been put in, you possibly can confirm the set up by following these steps:
- Open a command immediate.
- Sort the next command:
sqlplus /nolog
- If the SQL*Plus immediate is displayed, then Oracle 19c has been efficiently put in.
You can even confirm the set up by checking the Oracle Database Configuration Assistant (DBCA). To do that, comply with these steps:
- Click on on the Begin menu.
- Choose Oracle Database Configuration Assistant.
- The DBCA will open. If the DBCA opens, then Oracle 19c has been efficiently put in.
For those who encounter any issues in the course of the set up course of, you possibly can seek advice from the Oracle documentation for help.
| Step | Description |
|---|---|
| 1 | Obtain the Oracle 19c software program from the Oracle web site. |
| 2 | Extract the contents of the downloaded file to a brief listing. |
| 3 | Run the Oracle Common Installer (OUI) program. |
| 4 | Observe the prompts within the OUI to put in Oracle 19c. |
| 5 | Confirm the set up by checking the SQL*Plus immediate or the DBCA. |
Creating the Oracle Database Occasion
Creating the Oracle database occasion is a multi-step course of that includes configuring varied parameters and settings. This is an in depth breakdown of every step:
1. Verify System Necessities
Guarantee your system meets the minimal {hardware} and software program necessities for Oracle 19c. Confirm the compatibility of your working system, RAM, disk area, and community connectivity.
2. Set up Stipulations
Set up the required conditions, together with the Grid Infrastructure (GI) Dwelling and the Oracle Instantaneous Shopper.
3. Create Oracle Consumer
Create a devoted Oracle person with administrative privileges.
4. Set Atmosphere Variables
Configure the ORACLE_BASE and ORACLE_HOME atmosphere variables to level to the set up directories.
5. Configure GI Dwelling
Configure the Grid Infrastructure Dwelling by making a database configuration assistant (DBCA) response file and working the DBCA to create the GI.
| Parameter | Worth |
|---|---|
| GNS_HOST_NAME | Hostname of the server |
| GNS_IP_ADDRESSES | IP deal with of the server |
| GNS_CLUSTER_NAME | Cluster identify (if relevant) |
6. Create Database Occasion
Use the DBCA to create the Oracle database occasion. Specify the next parameters:
After you have entered all of the parameters, overview and submit the response file to create the database occasion.
Configuring Community Connectivity
Establishing correct community connectivity between the consumer and the Oracle database server is essential for profitable communication. Observe these steps to configure community connectivity:
7. Configure Community Aliases
Community aliases are used to simplify the connection course of by mapping a logical identify to the precise host and port of the database server. To configure community aliases, edit the tnsnames.ora file positioned within the $ORACLE_HOME/community/admin listing.
As an illustration, if the database server’s hostname is mydatabase and the port is 1521, you possibly can create an alias named myalias as follows:
| myalias = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = mydatabase)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = ORCL) ) ) |
| Column | Description |
|---|---|
| INSTANCE_NUMBER | The occasion quantity. |
| INSTANCE_NAME | The occasion identify. |
| STATUS | The standing of the occasion. |
| STARTUP_TIME | The time when the occasion was began. |
| SHUTDOWN_TIME | The time when the occasion was shut down. |
Connecting to the Oracle 19c Database
After Oracle 19c has been efficiently put in, you can begin connecting to the database. This is how:
1. Create a listener
A listener is a course of that listens for incoming connection requests and directs them to the suitable database occasion. To create a listener, run the next command:
“`
$ lsnrctl begin
“`
2. Begin the database occasion
The database occasion is the precise working database. To begin the occasion, run the next command:
“`
$ sqlplus / as sysdba
“`
“`
SQL> startup
“`
3. Hook up with the database
Now that the listener and database occasion are working, you possibly can connect with the database utilizing a SQL consumer software equivalent to SQL*Plus. To attach, run the next command:
“`
$ sqlplus username/password@hostname:port/servicename
“`
4. Confirm the connection
As soon as you’re related to the database, you possibly can confirm the connection by working the next command:
“`
SQL> choose * from v$model;
“`
5. Create a person
So as to work together with the database, you have to create a person. To create a person, run the next command:
“`
SQL> create person username recognized by password;
“`
6. Grant privileges
After you have created a person, you have to grant the person the suitable privileges to entry the database. To grant privileges, run the next command:
“`
SQL> grant join, useful resource to username;
“`
7. Create a database
To create a database, run the next command:
“`
SQL> create database databasename;
“`
8. Hook up with the brand new database
To connect with the brand new database, run the next command:
“`
SQL> join username/password@hostname:port/databasename
“`
9. Confirm the database connection
As soon as you’re related to the brand new database, you possibly can confirm the connection by working the next command:
“`
SQL> choose * from v$database;
“`
10. Use the database
Now that you’re related to the brand new database, you can begin utilizing it to create tables, insert knowledge, and carry out queries.
Managing the Oracle 19c Database
10. Managing Oracle Customers and Roles
Creating and Managing Customers
Customers are created to grant entry to the database. To create a person, use the next syntax:
| Command | Description |
|---|---|
| CREATE USER username IDENTIFIED BY password; | Creates a person with the required username and password. |
Managing Roles
Roles are used to group customers and grant them permissions collectively. To create a job, use the next syntax:
| Command | Description |
|---|---|
| CREATE ROLE rolename; | Creates a job with the required identify. |
To grant a job to a person, use the next syntax:
| Command | Description |
|---|---|
| GRANT rolename TO username; | Grants the required function to the required person. |
Revoking Consumer Privileges
To revoke privileges from a person, use the next syntax:
| Command | Description | ||||||||
|---|---|---|---|---|---|---|---|---|---|
REVOKE | Revokes the required privilege from the required person. |
Dropping Customers and RolesTo drop a person, use the next syntax:
To drop a job, use the next syntax:
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