How to insert data directly from excel to oracle database?

@gilbert 

To insert data directly from an Excel spreadsheet to an Oracle database, you can use the following steps:

1. Save your Excel file as a CSV (Comma Separated Values) file. To do this, open your Excel file and go to "File" -> "Save As" -> "Browse" -> Select "CSV (Comma delimited) (*.csv)" in the Save as type dropdown -> Save.
2. Open SQL*Plus or any other SQL tool to connect to your Oracle database.
3. Use the SQLLoader utility provided by Oracle to load the CSV data into an Oracle table. The SQLLoader utility allows you to load data from external files into an Oracle database.
4. Create a control file (.ctl) that specifies the format of the CSV file and the table into which you want to load the data. Here is an example control file:

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LOAD DATA
INFILE 'your_file_name.csv'
INTO TABLE your_table_name
FIELDS TERMINATED BY ','
OPTIONALLY ENCLOSED BY '"'
TRAILING NULLCOLS
(field1, field2, field3)

1. Run the SQL*Loader utility with the control file using the following command:

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sqlldr username/password@your_database control=your_control_file.ctl log=your_log_file.log

Replace username, password, your_database, your_control_file.ctl, and your_log_file.log with your actual values.

1. The SQL*Loader utility will load the data from the CSV file into the Oracle table specified in the control file.
2. Verify the data has been successfully inserted into the Oracle table by querying the table in your SQL tool.

By following these steps, you can successfully insert data from an Excel spreadsheet into an Oracle database.