Say I run the following command: \d mtb.big_table I get the output shown below. My questions are: What are column modifiers? (what does default now() mean?) Under Indexes, Why do some indices ...
I'm struggling with indexes, primary keys and foreign keys... And the need of having them all. If I have two tables, both of them have an integer as a primary key. The first table references ...
Schema design: Use of association (aka: bridge/junction) table vs foreign key constraint with composite index containing a non-key field
This is an inventory database for IT assets. The models used are trimmed in order to focus on the problem at hand. Using SQL Server 2008. Thanks for taking the time to read and for any input you can ...
I have used the well known query below from Kevin Kline to check for unused indexes. Several indexes created on Foreign keys returns no read stats, only writes. Are you 100% safe to drop these ...
How are foreign key indexes helpful? What is the criteria for keeping a foreign key index?
I'm have a part table like this: part_id INT manufacturer_id INT supplier_id INT part_number VARCHAR(50) part_description VARCHAR(120) with foreign ...