index define
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- index (plural indexes or indices) 1  An alphabetical listing of items and their location. The index of a book lists words or expressions and the pages of the book upon which they are to be found. 2  The index finger; the forefinger. 3  A movable finger on a gauge, scale, etc.
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- Quick Answer. Indices are a mathematical concept for expressing very large numbers. They are also known as powers or exponents. In the mathematical process of exponentiation, a base number is written alongside a superscript number, which is the index or exponent. Continue Reading.
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Clustered and Non-Clustered Index in SQL 2005 2. Index is a database object, which can be created on one or more columns (16 Max column combination). When creating the index will read the column(s) and forms a relevant data structure to minimize the number of data comparisons.
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- In short Index page this is page that originate from table of content that help to search materials in older to access data or information within the given basket of data that can be book or web-page easily.
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How Online Index Operations Work The target or targets is the new index (or heap) or a set of new indexes that is being created or rebuilt. User insert, update, and delete operations to the source are applied by the SQL Server Database Engine to the target during the index operation.
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Clustered Index 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.
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index Definition of index. 1  transitive verb. 2  1a : to provide with an indexb : to list in an index all persons and places mentioned are carefully indexed. 3  2 : to serve as an index of.  3 : to regulate (as wages, prices, or interest rates) by 1  indexation. intransitive verb. :  to index something.
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Refractive index Refractive index. In optics, the refractive index or index of refraction n of a material is a dimensionless number that describes how light propagates through that medium. It is defined as n = c v, {\displaystyle n={\frac {c}{v}},} where c is the speed of light in vacuum and v is the phase velocity of light in the medium.
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Database index An index is a copy of select columns of data from a table that can be searched very efficiently that also includes a low-level disk block address or direct link to the complete row of data it was copied from.Some databases extend the power of indexing by letting developers create indices on functions or expressions.ndexes are used to quickly locate data without having to search every row in a database table every time a database table is accessed. Indexes can be created using one or more columns of a database table, providing the basis for both rapid random lookups and efficient access of ordered records.
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Definition of 'Consumer Price Index' Definition: A comprehensive measure used for estimation of price changes in a basket of goods and services representative of consumption expenditure in an economy is called consumer price index. Description: The calculation involved in the estimation of CPI is quite rigorous.
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How to use Excel's INDEX function to find data in a table Excel's INDEX function is a powerful function when you want to find a value in a specific row and column location inside a table of data. Our examples used numeric values to identify the row and column values that INDEX should work with.
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consumer price index (CPI) Definition. A measure of changes in the purchasing-power of a currency and the rate of inflation. The consumer price index expresses the current prices of a basket of goods and services in terms of the prices during the same period in a previous year, to show effect of inflation on purchasing power. It is one of the best known lagging indicators.
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index (n.) In database design, a list of keys (or keywords), each of which identifies a unique record. Indices make it faster to find specific records and to sort records by the index field -- that is, the field used to identify each record. (v.)To create an index for a database, or to find records using an index. NEXT.
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synonyms - Index cardreport a problem Example of a hand-written American index card. A ruled index card An index card (or System card in Australian English) consists of heavy paper stock cut to a standard size, used for recording and storing small amounts of discrete data. It was invented by Carl Linnaeus, [1] around 1760.
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16 Managing Indexes Indexes are logically and physically independent of the data in the associated table. Being independent structures, they require storage space. You can create or drop an index without affecting the base tables, database applications, or other indexes.
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index fossil index fossil n. The fossil remains of an organism that lived in a particular geologic age, used to identify or date the rock or rock layer in which it is found.
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- Some of you may be familiar with relational databases other than Teradata and how those other RDBMs utilize indexes. In Teradata, an “Index” is a physical mechanism that is used to distribute, store, and access data rows. Indexes provide a physical access path to the data and their use can avoid unnecessary full-table scans to locate rows.
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- A stock index or stock market index is a measurement of a section of the stock market. It is computed from the prices of selected stocks (typically a weighted average). It is a tool used by investors and financial managers to describe the market, and to compare the return on specific investments.
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index Usually, the base is assigned an arbitrary value of 100 and all subsequent data is expressed in relation to this base. For example, the consumer price index (CPI) of a year might stand at 95 (to indicate a fall of 5 percent in the prices) or 105 (to indicate an increase of 5 percent in the prices). Indexes (indices) also measure up and down movement of industrial production, and of the market prices of bonds, commodities, shares, etc.
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Price index What are you looking for? Price index. Price index, measure of relative price changes, consisting of a series of numbers arranged so that a comparison between the values for any two periods or places will show the average change in prices between periods or the average difference in prices between places.
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Refraction of Light Index of Refraction. The index of refraction is defined as the speed of light in vacuum divided by the speed of light in the medium. The indices of refraction of some common substances are given below with a more complete description of the indices for optical glasses given elsewhere.The values given are approximate and do not account for the small variation of index with light wavelength which is called dispersion.he indices of refraction of some common substances are given below with a more complete description of the indices for optical glasses given elsewhere. The values given are approximate and do not account for the small variation of index with light wavelength which is called dispersion.
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What is an 'Index Fund' What is an 'Index Fund' An index fund is a type of mutual fund with a portfolio constructed to match or track the components of a market index, such as the Standard & Poor's 500 Index (S&P 500). An index mutual fund is said to provide broad market exposure, low operating expenses and low portfolio turnover.
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index fund index fund - a mutual fund that invests in the stocks that are the basis of a well-known stock or bond index. mutual fund company, open-end fund, open-end investment company, mutual fund - a regulated investment company with a pool of assets that regularly sells and redeems its shares.
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What is refractive index? Index of refraction is defined as the speed of light in a vacuum divided by the speed of light in the medium.What is the index of refraction for glass?ndex of refraction is defined as the speed of light in a vacuum divided by the speed of light in the medium.
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regulation indexation - a system of economic regulation: wages and interest are tied to the cost-of-living index in order to reduce the effects of inflation. timing - the regulation of occurrence, pace, or coordination to achieve a desired effect (as in music, theater, athletics, mechanics)
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h -index The definition of the index is that a scholar with an index of h has published h papers each of which has been cited in other papers at least h times. Thus, the h-index reflects both the number of publications and the number of citations per publication.