Answer Posted / nashiinformaticssolutions
A Triger is a database object in PL/SQL that automatically executes actions in response to specific events, such as insertions, updates, or data deletions in a table. Triggers are typically used to enforce business rules, maintain data integrity, and automate tasks. You create and define triggers using PL/SQL code and attach them to database tables.
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ERROR:Insert or update on table"accnt" violates foreign key constraints "acct_to_curr_symbol" DETAILS:KEY(accnt_curr_id)(-2)is not present in the table "curr_symbol" ......solve The Problem..