pycharm 使用心得(六)进行简单的数据库管理
例如:
1.创建,修改和删除数据表,字段,索引,主键,外键等。
2.提供table editor来进行数据操作
3.提供console来运行sql命令
4.提供数据导出功能
数据库创建方法
1)在pycharm的右上角找到‘database'选项卡
2)打开选项卡,按‘alt+insert'键,选择Data Source。
3)为数据库连接取一个名称,选择一个JDBC driver files。如果没有这个文件,pycharm可以自动下载。
4)选择一个JDBC driver class,mysql默认为:com.mysql.jdbc.Driver。oracle默认为:oracle.jdbc.OracleDriver
5)编写Database URL,示例:
myql:jdbc:mysql://localhost:3306
jdbc:oracle:thin:@localhost:1521:server
6)填写用户名和密码。
7)点击Test Connection测试连接。
8)根据提示信息修改错误,知道提示连接成功。
9)OK

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Reasons for PyCharm to run slowly include: Hardware limitations: low CPU performance, insufficient memory, and insufficient storage space. Software related issues: Too many plugins, indexing issues, and large project sizes. Project configuration: Improper configuration of the Python interpreter, excessive file monitoring, and excessive resource consumption by the code analysis function.

Solutions to PyCharm crashes include: check memory usage and increase PyCharm's memory limit; update PyCharm to the latest version; check plug-ins and disable or uninstall unnecessary plug-ins; reset PyCharm settings; disable hardware acceleration; reinstall PyCharm; contact Support staff asked for help.

To remove the PyCharm interpreter: Open the Settings window and navigate to Interpreters. Select the interpreter you want to delete and click the minus button. Confirm the deletion and reload the project if necessary.

How to export Py files in PyCharm: Open the file to be exported, click the "File" menu, select "Export File", select the export location and file name, and click the "Export" button

How to install the Pandas module using PyCharm: Open PyCharm, create a new project, and configure the Python interpreter. Enter the command pip install pandas in the terminal to install Pandas. Verify installation: Import pandas in PyCharm's Python script. If there are no errors, the installation is successful.

The menu bar in PyCharm provides quick access to various functions and options. To restore the menu bar: Click the View menu. Select the "Toolbar" option. Check the "Menu Bar" checkbox. Click OK. The menu bar contains the following menus: File, Edit, View, Navigate, Refactor, Run, Debug, Tools, VCS, Window, and Help.

Method to modify the Python interface to Chinese: Set the Python language environment variable: set PYTHONIOENCODING=UTF-8 Modify the IDE settings: PyCharm: Settings>Appearance and Behavior>Appearance>Language (Chinese); Visual Studio Code: File>Preferences>Search "locale" > Enter "zh-CN" to modify the system locale: Windows: Control Panel > Region > Format (Chinese (China)); macOS: Language and Region > Preferred Language (Chinese (Simplified) drag to the top of the list)

Configure a run configuration in PyCharm: Create a run configuration: In the "Run/Debug Configurations" dialog box, select the "Python" template. Specify script and parameters: Specify the script path and command line parameters to be run. Set the running environment: select the Python interpreter and modify the environment variables. Debug Settings: Enable/disable debugging features and specify the debugger port. Deployment options: Set remote deployment options, such as deploying scripts to the server. Name and save the configuration: Enter a name for the configuration and save it.
