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The sample range could be used as an index of dispersion. However, there are objections. One is that this statistic is obviously sensitive to outliers. Another is that for many population distributions there are measures with much better characteristics, even ignoring the problem of outliers.
This would obviously depend on the popularity of the stock in question. Most of the stocks are in the hundred thousands, if not millions of shares on a daily basis.
Indexing can be faster than sorting. It can also be slower. It depends on how many rows your predicate clause is selecting, and on the data dispersion represented by those index keys. If you are selecting a few rows, such as less than 4% of the table, then by all means use an index. If you are selecting a lot of rows, such as more than 25% of the table, then the use of the index will usually degrade performance, so go for the full table scan followed by a sort. (Of course, now you are adding the use of sort space, so that is a consideration.) The break-even point depends on the particular RDBMS and on the structure of the data. If your RDBMS supports EXPLAIN PLAN, then use it, and learn to know what it means. Also, make sure you understand your data, because (sometimes) only you know the best way to query it, and it might make sense to override the optimzer and force a certain execution plan based on your knowledge.
There are many advantages of performing a database normalization. Some of the advantages include faster index searching, data commands are faster with less indexes and a more compact database with less null data.
There is only 1 Nifty in NSE. NSE or National Stock Exchange main index comprising of 50 stocks from different sectors are called Nifty or to be precise Nifty50. One can visit http://www.nseindia.com to get list of stocks comprising Nifty50.
The Sensex is an "index". What is an index? An index is basically an indicator. It gives you a general idea about whether most of the stocks have gone up or most of the stocks have gone down. The Sensex is an indicator of all the major companies of the BSE. The Nifty is an indicator of all the major companies of the NSE. If the Sensex goes up, it means that the prices of the stocks of most of the major companies on the BSE have gone up. If the Sensex goes down, this tells you that the stock price of most of the major stocks on the BSE have gone down. Just like the Sensex represents the top stocks of the BSE, the Nifty represents the top stocks of the NSE. Just in case you are confused, the BSE, is the Bombay Stock Exchange and the NSE is the National Stock Exchange. The BSE is situated at Bombay and the NSE is situated at Delhi. These are the major stock exchanges in the country. There are other stock exchanges like the Calcutta Stock Exchange etc. but they are not as popular as the BSE and the NSE.Most of the stock trading in the country is done though the BSE & the NSE. Besides Sensex and the Nifty there are many other indexes. There is an index that gives you an idea about whether the mid-cap stocks go up and down. This is called the
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Answer BSE is an acronym for BOMBAY STOCK EXCHANGE NSE is an acronym for NATIONAL STOCK EXCHANGE Difference between NSE and BSENSE Stands for National Stock Exchange. It has more than 2000 stocks from different sectors listed with it. It is fully automated electronic order processing exchange. Nifty is major index of NSE and it comprise of 50 scripts from different sectors.BSE Stand for Bombay Stock Exchange. It is India's Oldest Stock Exchange with listing of over 4000 scripts with it. This not fully automated yet but progress towards full automation is underway. SENSEX is major index of BSE and it comprise of 30 scripts from different sectors.SENSEX - SENSITIVITY INDEX : NIFTY - NATIONAL FIFTY An abbreviation of the Bombay Exchange Sensitive Index (Sensex) - the benchmark index of the Bombay Stock Exchange (BSE). It is composed of 30 of the largest and most actively-traded stocks on the BSE. Initially compiled in 1986, the Sensex is the oldest stock index in India. The Sensex is an "index". What is an index? An index is basically an indicator. It gives you a general idea about whether most of the stocks have gone up or most of the stocks have gone down. The Sensex is an indicator of all the major companies of the BSE. The Nifty is an indicator of all the major companies of the NSE. If the Sensex goes up, it means that the prices of the stocks of most of the major companies on the BSE have gone up. If the Sensex goes down, this tells you that the stock price of most of the major stocks on the BSE have gone down. Just like the Sensex represents the top stocks of the BSE, the Nifty represents the top stocks of the NSE. Just in case you are confused, the BSE, is the Bombay Stock Exchange and the NSE is the National Stock Exchange. The BSE is situated at Bombay and the NSE is situated at Delhi. These are the major stock exchanges in the country. There are other stock exchanges like the Calcutta Stock Exchange etc. but they are not as popular as the BSE and the NSE. Most of the stock trading in the country is done though the BSE & the NSE. Besides Sensex and the Nifty there are many other indexes. There is an index that gives you an idea about whether the mid-cap stocks go up and down. This is called the "BSE Mid-cap Index". There are many other types of indexes. Indexes are indicators of the market which gives you a General idea about whether most of the stocks have gone up Or down. There are two types of INDEXES: 1) SENSEX: SENSITIVITY INDEX Sensex is nothing but index of BSE. It has got 30 listed companies. On the other hand, 2) NIFTY: NATIONAL FIFTY and it is nothing but the index of NSE. It has got 50 listed companies
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The NSE has more than 2,000 stocks listed with it. It is fully automated electronic order processing exchange. Nifty is major index of NSE and it comprised of 50 scripts from different sectors.The NSE index is calculated using the 50 most profitable and largest companies in India which are listed in the NSE. This index is called Nifty. Some companies listed in it are Reliance Industries, ICICI Bank, Larsen & Toubro, HDFC Bank, and Hero Honda.(See the Related Link to the official website of the NSE.)
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One of the most widely followed indexes is the NASDAQ Composite Index. Representing over 3,000 companies, it began on February 5, 1971.
One of the most widely followed indexes is the NASDAQ Composite Index. Representing over 3,000 companies, it began on February 5, 1971.
There are many advantages of investing in an Index Fund. An index fund allows you to enjoy the good parts of a mutual fund, with little or none of the bad, by buying stock in all the companies of a particular index and thereby reproducing the performance of an entire section of the market. An index fund builds its portfolio by simply buying all the stocks in a particular index.Investing in stock index funds is often called passive investing. The management fees of an index fund tend to be lower as less money is spent on researching stocks.