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Course Content

Clauses in SQL

SQL Clause Programming is a method to create an execution plan for SQL statements. It is used to optimize queries, visualize query execution plans and produce report of data.


With the help of clauses, we can deal with data easily stored in the table. Clauses help us filter and analyze data quickly. When we have large amounts of data stored in the database, we use Clauses to query and get data required by the user. Some of the examples of clauses are – where, and, or, like, top, etc.

Clause is a set of words that can be used to limit or limit an order or an amount of something. It is likely that the majority of your website visitors will most likely not understand what a clause means if you don't explain it to them.Instead, we should visualize clauses as the "pocket" of our content and not as a separate structure in itself. By using clauses, we can order and restrict the content we want to present on our site, but also help our readers understand what we mean without having to read through all the content packed in paragraphs and sentences.

The purpose of SQL clause is to minimize query execution time. To make it easy for the reader to understand the content, the authors should explain what is meant with “clause” in SQL. It should be brief and clear, but not too wordy. It should not be hard to see that “clause” is not a simple sentence like “The statement in the block of code is true or false”. The author should explain clearly what it means in relation to SQL statements and explain why it is important for the user.

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