{"id":17246,"date":"2024-03-15T14:36:38","date_gmt":"2024-03-15T14:36:38","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-increase-the-size-of-an-oracle-database-tablespace-when-it-is-running-out-of-space\/"},"modified":"2025-08-07T09:43:43","modified_gmt":"2025-08-07T09:43:43","slug":"how-to-increase-the-size-of-an-oracle-database-tablespace-when-it-is-running-out-of-space","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-increase-the-size-of-an-oracle-database-tablespace-when-it-is-running-out-of-space\/","title":{"rendered":"How to increase the size of an Oracle database tablespa…"},"content":{"rendered":"

To expand the tablespace of an Oracle database, you can follow these steps:<\/p>\n

    \n
  1. First, identify which tablespace specifically has insufficient space. This can be done by querying the current tablespace usage with the following SQL statement:<\/li>\n
  2. Choose the tablespace name and display the total size in megabytes, as well as the maximum size in megabytes for each tablespace from the database data files, rounding to two decimal places.<\/li>\n
  3. Once you have identified the tablespaces that need to be increased in size, you can use the ALTER TABLESPACE statement to resize them. You can choose one method to expand them.<\/li>\n
  4. Here is one option.
    \nIncreasing data file capacity: Use the ALTER TABLESPACE statement to add one or more data files to the tablespace.
    \nALTER TABLESPACE tablespace_name ADD DATAFILE ‘file_path’ SIZE size;<\/p>\n

    In this statement, tablespace_name is the name of the tablespace that needs to be resized, file_path is the path to the new data file, and size is the initial size of the data file.<\/li>\n

  5. Automatically increase data file: By setting the autoextend property of the tablespace, the file size will automatically increase when it reaches its capacity limit.
    \nALTER TABLESPACE tablespace_name AUTOEXTEND ON NEXT size MAXSIZE max_size;
    \nHere, tablespace_name is the name of the tablespace that needs to be expanded, size is the size of each extension, and max_size is the maximum size of the data file.<\/li>\n
  6. After expanding, you can use the above SQL statement again to verify if the table space has been successfully expanded.<\/li>\n<\/ol>\n

    It’s important to note that expanding table space may affect the database’s operations and require certain system permissions. It is advisable to proceed with caution when performing this action in a production environment and to backup the database beforehand.<\/p>\n","protected":false},"excerpt":{"rendered":"

    To expand the tablespace of an Oracle database, you can follow these steps: First, identify which tablespace specifically has insufficient space. This can be done by querying the current tablespace usage with the following SQL statement: Choose the tablespace name and display the total size in megabytes, as well as the maximum size in megabytes […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[453,1402,299,1404,1403],"class_list":["post-17246","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-development","tag-guide","tag-programming","tag-technology","tag-tutorial"],"yoast_head":"\nHow to increase the size of an Oracle database tablespa... - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn about how to increase the size of an oracle database tablespace when it is running out of space.. 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