An article introducing how to log in to Oracle
Oracle is a very popular relational database management system that is widely used in various fields. When using Oracle, you often need to log in. This article will introduce how to log in to Oracle.
1. Use SQLPLUS to log in
SQLPLUS is an interactive command line tool provided by Oracle. Normally, we will use SQLPLUS to log in to Oracle. The following are the specific steps:
- Open the console or terminal and enter sqlplus. It looks like this:
$sqlplus
- Enter your username and password. As shown below:
SQL> connect username/password
- If the username and password are successfully verified, a successful login will be prompted and the SQL command prompt will appear.
connected. SQL>
2. Use SQL Developer to log in
SQL Developer is a graphical user interface tool provided by Oracle, which can quickly and easily execute SQL scripts and manage Oracle databases. Here are the steps:
- On the Start menu or desktop, double-click the SQL Developer application.
- Enter the username and password, select the connection type, and click Connect.
- If the entered user name and password are verified successfully, you will log in successfully and a window will pop up allowing you to select the database you need to connect to.
3. Use Oracle client to log in
Oracle client is an Oracle client software installed on the client machine. Using it to log in to Oracle requires the following steps:
- Download and install Oracle client software.
- Open the Oracle client, enter the user name and password, and select the database to connect to.
- If the entered username and password are verified successfully, you will log in successfully.
Summary:
The above is how to log in to Oracle. You can log in to Oracle using SQLPLUS, SQL Developer or Oracle client software. Each has its own advantages and disadvantages, and it will be more flexible and convenient to choose different tools in different situations.
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