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This article mainly explains "what are the ASP.NET written test questions". Interested friends may wish to have a look at them. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn "what are the ASP.NET written test questions?"

1. The SQL part of the ASP.NET written test:

Q: the difference between clustered and nonclustered indexes:

Answer: the content of the text itself is a kind of directory arranged according to certain rules called "clustered index". The ASP.NET server directory is purely a directory, and the text is sorted purely as a text, which is called a nonclustered index.

Q: what is the meaning of an index? Simple explanation of Cluster Index (clustered), its advantages and disadvantages

Answer: clustered indexes usually speed up UPDATE and DELETE operations because they need to read a large amount of data. It can take a long time to create or modify a clustered index because the rows of the table are reorganized on disk when performing both operations. But INSERT will slow down. Consider using a clustered index for columns that contain a limited number of * values, such as the state column, which contains only 50 state codes. A query that returns a range of values using the following operators: BETWEEN, >, > =, <, and

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