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Indexes In Sql

Index in SQL can be thought of as index of a book. Suppose, We have a book of 50 pages and we don't have indexes. Now if we have to navigate to a random topic then we have to start with first page and then second and so on, No problem here we...

Configuration files for AngularJS 2

Hello Everyone. Here,We will be going through a series of tutorials which aims at providing a basic understanding of AngularJS 2 framework. At its best,it will make you quite acquainted with the fundamentals of AngularJS 2. This is the firs...

What are Mysql Indexes

A database index is a structure that improves the speed of retrieval of data from our table. Index is similar to the index of a book. If you want to find a chapter you look in the index first without scanning the whole page. Users cannot see th...

How to delete an INDEX in a table in MySQL?

We can drop INDEX from table by using DROP INDEX statement, it is used to delete an index form a table. Syntax: ALTER TABLE table_name DROP INDEX index_name; Example: Suppose you have created an INDEX named "person_user_name_idx" on th...

Indexing

The index is used to search the data in a table. The index is basically a data structure that search our data. It is applied usually on a column of a table. It is usually a B-tree but can also be hash table and other depending upon the ...
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