In most DBMSs, you can only have one clustered index per table, though there are systems that support multiple clusters (DB2 being an example). Like a regular index that is stored unsorted in a database table, a clustered index can be a composite index, such as a concatenation of first name and last name in a table of personal information. Share this:
Best Answer: Four laps equals one mile on the track. (1600) Two laps is a half mile. (800m) The track is divided into four 100m parts for it to equal one lap. Therefore, 400m equals one lap. Also, usually on a high school track, there are 6 lanes. I hope I didn't confuse you.
How many yards in 1 miles? The answer is 1760. We assume you are converting between yard and mile. You can view more details on each measurement unit: yards or miles The SI base unit for length is the metre. 1 metre is equal to 1.0936132983377 yards, or 0.00062137119223733 miles. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between yards and miles. Type in your own numbers in the form to convert the units! âºâº Want other units? You can do the reverse unit conversion from miles to yards, or enter any two units below: