The definition of an index is a guide, list or sign, or a number used to measure change. An example of an index is a list of employee names, addresses and phone numbers . An example of an index is a stock market index which is based on a standard set at a particular time. noun.
What do you mean by the term index?
indexnoun. a numerical scale used to compare variables with one another or with some reference number. index, index number, indicant, indicatornoun. a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time. exponent, power, index ...
What is index example?
The definition of an index is a guide, list or sign, or a number used to measure change. An example of an index is a list of employee names, addresses and phone numbers . An example of an index is a stock market index which is based on a standard set at a particular time. noun.
What is meaning of index in a book?
A back-of-the-book index is a list of words with corresponding page references that point readers to the locations of various topics within a book . Indexes are generally an alphabetical list of topics with subheadings appearing below multi-faceted topics that appear numerous times throughout a book.
What does index mean in coding?
An index is a numerical representation of an item’s position in a sequence . This sequence can refer to many things: a list, a string of characters, or any arbitrary sequence of values. In some programming languages, an array can be defined by key-value pairs, where a specific key points to a value.
How do you do an index?
- Use nouns the reader is likely to look for. Whenever possible, index entries should begin with nouns or noun phrases. ...
- Use lowercase letters. ...
- Use subentries to make things easier to find. ...
- Set image references in bold or italics. ...
- Use cross-references as needed. ...
- You don’t need to include everything.
How do you read an index?
Index numbers
An index starts in a given year, the base year, at an index number of 100. In subsequent years, percentage increases push the index number above 100, and percentage decreases push the figure below 100. An index number of 102 means a 2% rise from the base year, and an index number of 98 means a 2% fall.
What does index mean in reading?
An index is a list of all the names, subjects and ideas in a piece of written work , designed to help readers quickly find where they are discussed in the text. Usually found at the end of the text, an index doesn’t just list the content (that’s what a table of contents is for), it analyses it.
What do you mean by refractive index?
Refractive Index (Index of Refraction) is a value calculated from the ratio of the speed of light in a vacuum to that in a second medium of greater density . The refractive index variable is most commonly symbolized by the letter n or n’ in descriptive text and mathematical equations.
Which language is the word index used?
The word is derived from Latin , in which index means “one who points out”, an “indication”, or a “forefinger”. In Latin, the plural form of the word is indices.
What are index used for?
Indexes 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.
What is Categorisation index?
Concepts. A Classification Index is an ordered list (alphabetical, in code order etc) of Classification Index Entries. A Classification Index can relate to one particular or to several Statistical Classifications.
Is index a word?
Both “indexes” and “indices” are acceptable plural forms of the word “index” or to refer to more than one index. Index is one of those rare words that have two different plurals in English. “Indices” is originally a Latin plural, while “Indexes” has taken the English way of making plurals, using –s or –es.
What are the types of index?
- Unique and non-unique indexes. ...
- Clustered and non-clustered indexes. ...
- Partitioned and nonpartitioned indexes. ...
- Bidirectional indexes. ...
- Expression-based indexes.
Is coding a good career 2020?
No wonder, coding is one of the core skills required by most well-paying jobs today. Coding skills are especially of value in the IT, data analytics, research, web designing, and engineering segments. ... Here are a few programming languages we recommend for coders who want to make it big in 2020.
What is index number in C language?
Arrays in C act to store related data under a single variable name with an index, also known as a subscript . It is easiest to think of an array as simply a list or ordered grouping for variables of the same type. As such, arrays often help a programmer organize collections of data efficiently and intuitively.
