Logical operators — introduce the logical operators and how to use them to test for the truth of a condition. OR operator — show you how to use another logical operator OR to combine multiple Boolean expressions. IN Operator — show you how to use the IN operator to check whether a value is in the list of values. LIKE Operator — query data based on a specified pattern. AVG — calculate the average value of a set. COUNT — return the number of items in a set.
View all page feedback. In this article. Learn how to develop and deploy Analysis Services tabular or multidimensional models. Also learn how to use tools such as PowerPivot to analyze the data in the models. Database Engine Tutorials. Learn how to connect to an instance of the database engine and then build and run Transact-SQL statements. Enterprise Information Management Tutorials. Integration Services Tutorials. Replication Tutorials. We can easily access and maintain the database by using simple SQL syntactical rules.
These simple rules make the SQL user-friendly. A large amount of data is accessed quickly and efficiently from the database by using SQL queries. Insertion, deletion, and updation operations on data are also performed in less time. The structured query language can be easily used in desktop computers, laptops, tablets, and even smartphones.
It can also be used with other applications according to the user's requirements. We can easily learn and understand the SQL language.
We can also use this language for communicating with the database because it is a simple query language. This language is also used for receiving the answers to complex queries in a few seconds. The SQL language also helps in making the multiple views of the database structure for the different database users. The operation cost of some SQL versions is high. That's why some programmers cannot use the Structured Query Language.
Another big disadvantage is that the interface of Structured query language is difficult, which makes it difficult for SQL users to use and manage it. The business rules are hidden. So, the data professionals and users who are using this query language cannot have full database control. JavaTpoint offers too many high quality services. Mail us on [email protected] , to get more information about given services.
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