We have a parent-child pair of tables with a foreign key constraint between them, and we need to add an index to the parent table, while the application is active.
The parent table is static during the creation of the index (no DML on it), but lots of DML statements are done on the child table. The parent table is relatively big, so the index creation takes a relatively significant time.
Continue reading “Creating an Index on a Static Table Referenced by an Active Table”