SQL is a database language

SQL is a database language for defining data structures in relational databases and to edit, insert, modify, delete data and serve query based on saved data. It is just a beginners guide, you can read or follow Pinal Dave’s writings for mastery on SQL. Probably he has the highest number of single person authored writings on SQL counting more than 2200. The SQL language is based on the relational algebra, its syntax is relatively simple and semantically similar to the English vernacular in logic.  Almost all current database systems support SQL – albeit to varying degrees and with slightly different dialects.…

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