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Many people ask, "what is Javascript and jQuery?" at some point in time. People are starting to realize how useful this tool is, and everyone wants to know what is jQuery. jQuery is a JavaScript library that helps web developers to create interactive and efficient websites. You want to make sure you understand what is jQuery before you begin using it, so you do not waste time learning something you do not need to learn.
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PostgreSQL is a powerful and advanced open-source enterprise-class database known to support JSON (non-relational) and SQL (relational) querying. The database is very stable, it has been around for more than twenty years, and a good reason it has a high level of correctness, integrity, and resilience. The database is used by many mobiles, analytical, web, and geospatial applications as primary storage for their data. The latest invention in this database is PostgreSQL 12.