Android is an open-source and Linux-based operating system. It was first introduced on Nov 5, 2007. It was originally developed by Android Inc. and subsequently purchased by Google.
Basically, Android is thought of as a mobile operating system. But it is not limited to mobile-only.

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In SQL Server, we have two keys which distinctively or uniquely identify a record in the database. Both the keys seem identical, but actually, both are different in features and in behaviours. In this article, I would like to share the key differences between primary key and unique key.

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In the world of the database, the most common and well popular database systems are RDBMS (Relational Database Management Systems). Now, if we want to develop an application which deals with a large volume of data, then we need to choose one such database which always provides a high.

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In SQL Server we make views for security purpose since it restricts the user to view some columns/fields of the table(s). Views show only those columns that are present in the query which is used to make a view.

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"A key is a single or combination of multiple fields in a table. It is used to fetch or retrieve records/data rows from the data table according to the condition/requirement. Keys are also used to create a relationship among different database tables or views.

Types of SQL Keys

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String is an object that represents a group or a sequence of characters. String is represented as a one-dimensional array of characters and ends with a (null character). String is defined in the same way as the other data types (integer, character).

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A stored procedure is a precompiled set of one or more SQL statements that are stored on SQL Server. The benefit of Stored Procedures is that they are executed on the server-side and perform a set of actions, before returning the results to the client-side.

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SQL Server Tutorial | Learn SQL Server | SQL Server Tutorial for Beginners
SQL Server is the most popular RDBMS developed by Microsoft. SQL Server can run on the cloud, Windows, Linux and Docker containers. SQL Server supports the standard SQL language ANSI SQL as well.

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Services in Angular is meant for specifically making the call to RestFul API and getting the data and passing data to all component whichever component subscribe to it. Moreover, it gives us the benefit of code reusability and data sharing across components.

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In SQL Server, there are two keys - primary key and foreign key which seems identical, but actually both are different in features and behaviours. In this article, I would like to share the key differences between primary key and foreign key.

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