How to start and shut down oracle
Oracle database is a very popular relational database management system, mostly used in large enterprise-level systems. When using Oracle database, startup and shutdown are one of the most basic operations, so it is very important to master the startup and shutdown operations of Oracle.
1. Oracle startup operation
1. Start the Oracle instance
For manually installed Oracle database systems, there are many ways to start the Oracle instance. The most common way is to use the sqlplus command line tool to start the operation. The steps are as follows:
Step 1: Open the command prompt, enter the expression "sqlplus / as sysdba", and then press the Enter key.
Step 2: Enter the Oracle system administrator account and password you set, and then press Enter to enter the Oracle internal management interface.
Step 3: Enter the expression "startup" and press Enter to start the Oracle instance.
2. Start the Oracle service
In some Windows systems, the Oracle service is set to start at startup by default. If the setting is unsuccessful, you can manually start the Oracle service through the following steps:
Step 1: Open the "Computer Management" console, select "Services and Applications" - "Services".
Step 2: Find Oracle-related services, such as OracleServiceORCL or OracleJobSchedulerORCL, etc., double-click to enter the properties interface.
Step 3: In the properties interface, set the service status to "Running" and set the startup type to "Automatic" or "Manual".
3. Start the Oracle listener
The Oracle listener is the network service of the database and is responsible for receiving requests from external sources and forwarding them to the database. There are many ways to start the Oracle listener. The most commonly used method is that users can directly perform the following operations on the command line interface:
Step 1: Open the command prompt, enter the expression "lsnrctl start", and press the Enter key.
Step 2: Wait for a period of time until keyword prompts such as "Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL...") appear, indicating that the Oracle listener is started successfully.
2. Oracle shutdown operation
1. Close the Oracle instance
When stopping the Oracle instance, use the sqlplus command line tool to perform the following operations:
Step 1: Open the command prompt and enter the expression Type "sqlplus / as sysdba" and press the Enter key.
Step 2: Enter the Oracle system administrator account and password you set, and then press the Enter key to enter the Oracle internal management interface.
Step 3: Enter the expression "shutdown", then enter "immediate" or "normal" to shut down, and finally press the Enter key to stop the Oracle instance.
2. Shut down the Oracle service
When closing the Oracle service, you can use the following methods:
Step 1: Open the "Computer Management" console, select "Services and Applications" - "Services".
Step 2: Find the Oracle-related service and double-click to enter the properties interface.
Step 3: In the properties interface, set the service status to "Stop" and set the startup type to "Manual" or "Disabled" ”.
3. Close the Oracle listener
When stopping the Oracle listener, you can use the following operations:
Step 1: Open the command prompt and enter the expression “lsnrctl stop" and press Enter.
Step 2: Wait for a period of time until keyword prompts such as "Listener Stop..." appear, indicating that the Oracle listener has been stopped.
Summary : The above are the detailed steps for starting and shutting down Oracle. I hope it will be helpful to everyone. Mastering these basic operating skills can make us more proficient in operating Oracle databases. Of course, different versions of Oracle database systems may be different. , so we need to make appropriate adjustments and debugging according to our actual situation.
The above is the detailed content of How to start and shut down oracle. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



In addition to SQL*Plus, there are tools for operating Oracle databases: SQL Developer: free tools, interface friendly, and support graphical operations and debugging. Toad: Business tools, feature-rich, excellent in database management and tuning. PL/SQL Developer: Powerful tools for PL/SQL development, code editing and debugging. Dbeaver: Free open source tool, supports multiple databases, and has a simple interface.

To query the Oracle tablespace size, follow the following steps: Determine the tablespace name by running the query: SELECT tablespace_name FROM dba_tablespaces; Query the tablespace size by running the query: SELECT sum(bytes) AS total_size, sum(bytes_free) AS available_space, sum(bytes) - sum(bytes_free) AS used_space FROM dba_data_files WHERE tablespace_

To create an Oracle database, the common method is to use the dbca graphical tool. The steps are as follows: 1. Use the dbca tool to set the dbName to specify the database name; 2. Set sysPassword and systemPassword to strong passwords; 3. Set characterSet and nationalCharacterSet to AL32UTF8; 4. Set memorySize and tablespaceSize to adjust according to actual needs; 5. Specify the logFile path. Advanced methods are created manually using SQL commands, but are more complex and prone to errors. Pay attention to password strength, character set selection, tablespace size and memory

The procedures, functions and packages in OraclePL/SQL are used to perform operations, return values and organize code, respectively. 1. The process is used to perform operations such as outputting greetings. 2. The function is used to calculate and return a value, such as calculating the sum of two numbers. 3. Packages are used to organize relevant elements and improve the modularity and maintainability of the code, such as packages that manage inventory.

OracleGoldenGate enables real-time data replication and integration by capturing the transaction logs of the source database and applying changes to the target database. 1) Capture changes: Read the transaction log of the source database and convert it to a Trail file. 2) Transmission changes: Transmission to the target system over the network, and transmission is managed using a data pump process. 3) Application changes: On the target system, the copy process reads the Trail file and applies changes to ensure data consistency.

There are no shortcuts to learning Oracle databases. You need to understand database concepts, master SQL skills, and continuously improve through practice. First of all, we need to understand the storage and management mechanism of the database, master the basic concepts such as tables, rows, and columns, and constraints such as primary keys and foreign keys. Then, through practice, install the Oracle database, start practicing with simple SELECT statements, and gradually master various SQL statements and syntax. After that, you can learn advanced features such as PL/SQL, optimize SQL statements, and design an efficient database architecture to improve database efficiency and security.

There are three ways to view instance names in Oracle: use the "sqlplus" and "select instance_name from v$instance;" commands on the command line. Use the "show instance_name;" command in SQL*Plus. Check environment variables (ORACLE_SID on Linux) through the operating system's Task Manager, Oracle Enterprise Manager, or through the operating system.

There are the following methods to get time in Oracle: CURRENT_TIMESTAMP: Returns the current system time, accurate to seconds. SYSTIMESTAMP: More accurate than CURRENT_TIMESTAMP, to nanoseconds. SYSDATE: Returns the current system date, excluding the time part. TO_CHAR(SYSDATE, 'YYY-MM-DD HH24:MI:SS'): Converts the current system date and time to a specific format. EXTRACT: Extracts a specific part from a time value, such as a year, month, or hour.
