Data/Database Size
Retrieve DB and Log File Sizes - Utilities sysperfinfo view to get the current file sizes for all DB and Log files.
Get Database size and Object Counts - Retrieves a list of database sizes and objects counts for SPs, Tables, Views, UDFs and Users for all active DBs on a server.
Get Index Size and Counts - Retrieves index statistics for all tables in a database. Includes sizes and counts by index type plus statistics update date.