Oracle Bulk Export: Table Data Guide
There are several ways to export table data in Oracle database.
- Utilizing the SQL*Plus tool:
You can use the SQL*Plus tool to execute export commands to bulk export table data. For example, you can use the following command to export data from a table to a CSV file.
SPOOL 表名.csv
SELECT * FROM 表名;
SPOOL OFF
- Utilize the PL/SQL development tool.
You can write a PL/SQL script to export table data in bulk. For example, you can use the following PL/SQL script to export data from a table to a CSV file.
DECLARE
CURSOR c IS SELECT * FROM 表名;
v_row 表名%ROWTYPE;
v_file UTL_FILE.FILE_TYPE;
BEGIN
v_file := UTL_FILE.FOPEN('导出目录', '表名.csv', 'W');
FOR v_row IN c LOOP
UTL_FILE.PUT_LINE(v_file, v_row.column1 || ',' || v_row.column2 || ',' || ...);
END LOOP;
UTL_FILE.FCLOSE(v_file);
END;
- Utilize the Oracle Data Pump tool:
One option is to use the Oracle Data Pump tool to export table data. You can export data from a table to a data file using the following command.
expdp 用户名/密码 TABLES=表名 DIRECTORY=导出目录 DUMPFILE=表名.dmp
The above are three common methods for bulk exporting data from Oracle tables. You can choose the appropriate method based on your specific needs to export table data.