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 Data Formats and Types: An Overview When you think about the word "format," a lot of things might come to mind. Think of an advertisement for your favorite store. You might find it in the form of a print ad, a billboard, or even a commercial. The information is presented in the format that works best for you to take it in. The format of a dataset is a lot like that, and choosing the right format will help you manage and use your data in the best way possible. Data format examples Primary Data Vs Secondary Data: Primary Data:                          Collected by a researcher from a first hand source.                                         eg:  Data from an interview you conducted Secondary Data: Gathered by other people or from other researchers.         ...

Mastering SQL Queries: Unlocking the Power of Data Retrieval and Analysis What is SQL ? SQL, which stands for "Structured Query Language" , is a programming language used to manage and manipulate relational databases. It provides a way to communicate with databases and perform various operations such as querying data, inserting new records, updating existing records, and deleting records. For beginners, SQL is a powerful tool that allows you to extract information from databases by writing specific commands called queries. These queries are structured in a specific syntax and can be used to retrieve data based on certain conditions, sort and filter data, aggregate and summarize data, and perform calculations. SQL provides a standardized way to interact with databases regardless of the specific database management system (DBMS) being used. Learning SQL enables you to effectively work with databases, extract valuable insights from data, and perform data-related tasks ef...