Arth

 Here;s my self reflection with all that i've learnt has been mentioned below ~introduction to File system Data is stored in files and files are stored in folder and folder is stored in storage. ~Organisation of data is such a data structure to improve performance and reduce Input output latency ~SQL stands for Structured Query Language which has precdescribed schema whereasNoSQL databases doesn't have pre described schema so they are dynamic schemas. ~MS. Excel stores data in form of sheets consisting rows and columns. ~insert() operation is used to insert the command, to add data to a collection . ~Schemaless means without a schema which can store, retrieve, and query. ~A document-oriented database is a modern way to store data in JSON format. ~ JSON follows a format of key value pair. ~CRUD stands for Create Read Update Delete. ~We can use Indexes to search data through ourcreated index instead of scanning the entire collection. ~Unique number associated with record is calle...