How to update a parent (primary key) value? kamranpathan mar 6, 2012 3:34 pm hello...can anybody give me a hint that how to update a primary key value in master table through forms as well as update all child records keeping in mind that "alter table" and constraint disabling is not permitted by dba.. Please let me know how can i update a record in the primary key field which behaves as a foreign key to other tables without altering (disabling) the primary/foreign constraint???? please reply sooon and the constraint will be verified at the commit instead of at the statement level, allowing you to. I faced this problem, and a few people asked for the solution. so, it may help someone in the world :-) assuming that there may be an undetermined number of foreign keys in an undetermined number of levels referencing the value i want change in a primary key: 1 - oracle doesn4t allow hierarchical queries over a join, so i created this snapshot: create materialized view foreign_keys nologging.
How to update primary key. ask question. up vote 19 down vote favorite. 4. when you find it necessary to update a primary key value as well as all matching foreign keys, then the entire design needs to be fixed. update primary key in oracle. 3. postgresql: update primary key, avoid conflict. 0. deleting row in android sqlite-1.. Although oracle will allow changes to primary key columns, the problem comes with altering columns that are used as references for foreign keys. later versions of oracle have a mechanism for handling this. constraints can be defined as "deferrable" on creation.. Hi, if i understand you correctly, you want to display a primary key value for all new items before the record is created? if so, you should use the default value option for the field. you can use a "pl/sql expression" in this setting to get the next pk value - this will only run whenever the field is null (ie, when you are on a new record)..
