Oracle foreign key reference table

Foreign key on table oracle

SELECT c.OWNER, a.TABLE_NAME, a.COLUMN_NAME, a.CONSTRAINT_NAME, 
       c.R_OWNER AS REF_OWNER, cpk.TABLE_NAME AS REF_TABLE, 
       cpk.CONSTRAINT_NAME AS REF_PK
FROM ALL_CONS_COLUMNS a 
JOIN ALL_CONSTRAINTS c ON a.OWNER = c.OWNER
    AND a.CONSTRAINT_NAME = c.CONSTRAINT_NAME
 JOIN ALL_CONSTRAINTS cpk ON c.R_OWNER = cpk.OWNER
    AND c.R_CONSTRAINT_NAME = cpk.CONSTRAINT_NAME
WHERE c.CONSTRAINT_TYPE = 'R' AND c.TABLE_NAME= 'table_name';

Oracle foreign key reference table

SELECT cons.OWNER 			AS CHILD_OWNER,
       cons.TABLE_NAME 		AS CHILD_TABLE,
       cons.CONSTRAINT_NAME AS CONSTAINT_NAME,
       cons.CONSTRAINT_TYPE AS CONSTRAINT_TYPE,
       col.OWNER 			AS PARENT_OWNER,
       col.TABLE_NAME 		AS PARENT_TABLE,
       col.COLUMN_NAME 		AS COLUMN_NAME
FROM DBA_CONS_COLUMNS col, DBA_CONSTRAINTS cons
WHERE cons.R_OWNER = col.OWNER
  AND cons.R_CONSTRAINT_NAME = col.CONSTRAINT_NAME
  AND cons.TABLE_NAME = 'table_name';

Source: dba-oracle.com

Similar codes

1 vote244 views1 answer
Sql not equal multiple columns
SQL
0 vote280 views2 answers
Mysql cast to varchar
SQL
0 vote234 views1 answer
Mysql workbench indent formatting
SQL
2 votes245 views2 answers
Mysql on duplicate key update get value from values
SQL
2 votes232 views1 answer
Sql server conection string
SQL
0 vote247 views1 answer
Select true if exists on another table or false sqlserver
SQL
21 votes253 views1 answer
Cheatsheet for sql
SQL
8 votes221 views3 answers
Mysql alter table add index
SQL
6 votes235 views4 answers
Rror: ER_NOT_SUPPORTED_AUTH_MODE: Client does not support authentication protocol requested by server; consider upgrading MySQL client
SQL
0 vote271 views1 answer
Exception message: The connection name 'SqlServices' was not found in the applications configuration or the connection string is empty.
SQL