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API Testing

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  Introduction What is an API? Web testing we do front-end - selenium API testing we perform on the backend side Postman and rest ratio API - form manually we use Postman and for automation, we use rest assured Client:- is a computer hardware device or software that accesses a service made available by a server From client side we are able to browse the data or requesting data Server:- is a physical computer dedicated to run services to serve the needs of other computers From server side it will fetch the data related to this keyword and sending the response Client Server Architecture: 1 tier Architectur e ( ex :When I saved my word doc in side a document folder) here the same machine work as client and server (client computer and File server) 2-tier Architecture (ex: in a bank, they have many client computers that access the same db server) Here this db runs in a different machine (Client tier and DB Server) 3-tier Architecture :- web applications followed 3-tier ...
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SQL Database

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 What is SQL?  SQL stands for "Structured Query Language". It is standardized programming language specifically designed for managing and manipulating relational databases. It is used to perform variety of tasks such as querying, inserting, updating and deleting data, as well as managing database structures like creating modifying and deleting tabled. It is a language used to communicate with database like MYSQL, Microsoft SQL Server, DB2 etc.   What is database? Database is organized collection of structured data for easy access of management. It is usually a collection of one or more tables and tables contain data rows and columns.   Key concepts of a Database 1.       Data Organization: Database organize data into tables, which are similar to spreadsheets. In the database each table contains rows (records) and columns (fields), where each column represents a specific attribute of the data and each raw represents a single record.   ...
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