I have the following table : CREATE TABLE action (action_id INT NOT NULL, action_type_id INT NOT NULL, action_date DATE NOT NULL); CREATE INDEX IDX_ACTION_ACT_TYPE_ACT ON action(action_id, ...
Would existing constraints and indexes applied to an old table, apply to a new table renamed like the old one after it's dropped?
everything is in the question. I have a table named tableA on which we have indexes and foreign keys and constraints. I have to modify content in a column called column1. This being a production ...
I have a function based index that takes 25 minutes to create on a table of 94 Million rows. When I drop the index, it takes 18 minutes. Why does it take so long? I would have thought the drop would ...
I have a Oracle database with columns of type 'DATE' which store timestamps in local time zone. I need to query this column with timestamps in UTC timezone. How do I create an index on the column ...
Name Null Type -------- -------- --------- ID NOT NULL NUMBER(4) GROUP_ID NUMBER(4) TEXT CLOB There is a btree index on group_id. Here's how many ...