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How do you find the triggers on a table?
Expand the database that you want, expand Tables, and then expand the table that contains the trigger for which you want to view the definition. Expand Triggers, right-click the trigger you want, and then click Modify. The definition of the DML trigger appears in the query window.
How do I find the table name in PostgreSQL?
In PostgreSQL (as described in documentation, The Information Schema): SELECT table_name FROM information_schema. tables WHERE table_type=’BASE TABLE’ AND table_schema=’public’; For MySQL you would need table_schema=’dbName’ and for MSSQL remove that condition.
How do I check my DB triggers?
To view database level triggers, Login to the server using SQL Server management studio and navigate to the database. Expand the database and navigate to Programmability -> Database Triggers. To view triggers at the server level, Login to Server using SSMS and navigate to Server Objects and then Triggers folder.
What does create Trigger in PostgreSQL do?
CREATE TRIGGER creates a new trigger. The trigger will be associated with the specified table, view, or foreign table and will execute the specified function function_name when certain operations are performed on that table.
Which is an example of a trigger function in pgSQL?
Example 42.3 shows an example of a trigger function in PL/pgSQL. Example 42.3. A PL/pgSQL Trigger Function This example trigger ensures that any time a row is inserted or updated in the table, the current user name and time are stamped into the row.
When to fire constraint trigger in PostgreSQL 10?
Constraint triggers must be AFTER ROW triggers on plain tables (not foreign tables). They can be fired either at the end of the statement causing the triggering event, or at the end of the containing transaction; in the latter case they are said to be deferred.
What is the null variable in PostgreSQL trigger function?
Data type RECORD; variable holding the new database row for INSERT / UPDATE operations in row-level triggers. This variable is null in statement-level triggers and for DELETE operations. Data type RECORD; variable holding the old database row for UPDATE / DELETE operations in row-level triggers.