{"id":8019,"date":"2024-03-14T07:26:48","date_gmt":"2024-03-14T07:26:48","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-query-the-table-where-a-foreign-key-is-located-in-oracle\/"},"modified":"2025-08-02T23:38:52","modified_gmt":"2025-08-02T23:38:52","slug":"how-to-query-the-table-where-a-foreign-key-is-located-in-oracle","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-query-the-table-where-a-foreign-key-is-located-in-oracle\/","title":{"rendered":"Find Foreign Key Tables in Oracle"},"content":{"rendered":"<p>You can use the following SQL query to search for the table containing the foreign key.<\/p>\n<pre class=\"post-pre\"><code class=\"lang-sql\">SELECT\r\n    UC.CONSTRAINT_NAME AS FOREIGN_KEY_NAME,\r\n    UC.TABLE_NAME AS CHILD_TABLE,\r\n    UCC.COLUMN_NAME AS CHILD_COLUMN,\r\n    UR.TABLE_NAME AS PARENT_TABLE,\r\n    UCR.COLUMN_NAME AS PARENT_COLUMN\r\nFROM\r\n    USER_CONSTRAINTS UC\r\nJOIN\r\n    USER_CONS_COLUMNS UCC ON UC.CONSTRAINT_NAME = UCC.CONSTRAINT_NAME\r\nJOIN\r\n    USER_CONSTRAINTS UR ON UC.R_CONSTRAINT_NAME = UR.CONSTRAINT_NAME\r\nJOIN\r\n    USER_CONS_COLUMNS UCR ON UR.CONSTRAINT_NAME = UCR.CONSTRAINT_NAME\r\nWHERE\r\n    UC.CONSTRAINT_TYPE = 'R'\r\n    AND UC.TABLE_NAME = 'YOUR_TABLE_NAME';\r\n<\/code><\/pre>\n<p>In this query, you will find the names of foreign key constraints in a specified table, as well as the child table name, child table foreign key column name, parent table name, and parent table foreign key column name. You can replace &#8216;YOUR_TABLE_NAME&#8217; with the table name you want to query for foreign keys.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You can use the following SQL query to search for the table containing the foreign key. SELECT UC.CONSTRAINT_NAME AS FOREIGN_KEY_NAME, UC.TABLE_NAME AS CHILD_TABLE, UCC.COLUMN_NAME AS CHILD_COLUMN, UR.TABLE_NAME AS PARENT_TABLE, UCR.COLUMN_NAME AS PARENT_COLUMN FROM USER_CONSTRAINTS UC JOIN USER_CONS_COLUMNS UCC ON UC.CONSTRAINT_NAME = UCC.CONSTRAINT_NAME JOIN USER_CONSTRAINTS UR ON UC.R_CONSTRAINT_NAME = UR.CONSTRAINT_NAME JOIN USER_CONS_COLUMNS UCR ON UR.CONSTRAINT_NAME = [&hellip;]<\/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":[922,813,10538,10539,1845],"class_list":["post-8019","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-database-schema","tag-oracle-database","tag-oracle-foreign-keys","tag-relationship-mapping","tag-sql-queries"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Find Foreign Key Tables in Oracle - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Quickly identify foreign key tables in Oracle with this simple SQL script. 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