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Whole market (A+)
You can create an index for a table to improve the performance of queries issued against the corresponding table. You can also create an index for a cluster. You can create a compositeindex on multiple columns up to a maximum of 32 columns. A composite index key cannot exceed roughly one-half (minus some overhead) of the available space in the data block.Use the SQL command CREATE INDEX to create an index. CREATE INDEX emp_ename ON emp_tab(ename);
The index's composite figure is computed by measuring the market value of all common stocks listed on the NASDAQ.
The stock exchange index is a relative measure of the performance of all or a number of stocks that are traded on a stock exchange. it incorporates the return on stocks, their volumes traded and the shares outstanding. there can be a number of indices relating to a single stock exchange that incorporates the returns on a number of companies. they can also be differentiated on the basis of the return on different industries.
No. For example: 4181 / 37 = 113 so it can't be prime. But 4181 is the first composite number in the Fibonacci sequence with a prime index. ;)