Does Oracle have any tools that can help me predict the number of records in and/or the "cost" of executing a query besides explain plan? Depending on the number of predicted rows or cost of a query, ...
Software that optimizes an SQL query for the fastest processing, based on the size of the database files and other variables. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires ...
(SQL Server 2000)<BR><BR>I have a query that basically selects a lot of "complicated" stuff and then dumps it into a #temp table.<BR><BR>I then have a correlated subquery that runs against the temp ...
A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...