how to index image

ReprintedBytes IndexYou can use indexes to quickly access specific information in database tables. An index is a structure that sorts the values of one or more columns in a database table (for example, the last name (lname) column of the employee

This article is transferred from: Http://www.cnblogs.com/abcdwxc/archive/2007/12/11/990274.html ----------------------- Creates an index for a given table or view.Only the owner of a table or view can create an index for the table. The owner of a

Background and significance In the Web2.0 era, especially with the popularity of social networking sites like Flickr and Facebook, images, videos, audio, text and other heterogeneous data are growing at an alarming rate every day. For example,

Why create an index? This is because creating an index can greatly improve the system performance.First, you can create a unique index to ensure the uniqueness of each row of data in the database table.Second, it can greatly speed up data retrieval,

This article mainly originates from the Internet mainstream article, just according to the individual understanding slightly makes the integration, behind has the reference link. I. Summary This paper takes the MySQL database as the research object

Index advantages and disadvantages: 12th pages. Why should I create an index? This is because creating an index can greatly improve the system performance. First, you can create a unique index to ensure the advantages and disadvantages of indexes in

Database index PrincipleWhen you encounter a new knowledge, you can learn it through the what-why-how method. Below we will learn the database index through this method.What is database index?Definition 1: an index is a structure used to sort the

Advantages and disadvantages of Indexes Why create an index? This is because creating an index can greatly improve the system performance. First, you can create a unique index to ensure the uniqueness of each row of data in the database table.

Advantages and disadvantages of indexes Why do you create an index? This is because creating an index can greatly improve the performance of the system. First, by creating a unique index, you can guarantee the uniqueness of each row of data in a

a method of definition evaluation without reference imagefrom:http://nkwavelet.blog.163.com/blog/static/227756038201461532247117 In the quality evaluation without reference image, the sharpness of image is an important index to measure the quality