![]() ![]() The figure below shows the emp_serial1_id_seq function by using the pg_get_serial_sequence function.We can check the existing sequence by using the pg_get_serial_sequence function.Using serial data type will not automatically create the index on the column we need to create it explicitly.PostgreSQL serial data type is used to define the auto increment number of columns in a table it will generate a serial sequence of integer numbers. ![]()
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