SQL is a tool designed for processing and reading of data contained in a computer database. SQL - an abbreviation of Structured Query Language (Structured Query Language). As the name implies, SQL is a programming language that is used to organize the user's interaction with the database. Actually running SQL databases only relational type. Fig. 1 shows a diagram of SQL. Under this scheme, a computer system has a database that stores important information. If the computer system is a matter of business, then the database can store information on material values, output, sales and payroll. A database on a personal computer can store information about prescription receipts, phone number and address or information extracted from a larger computer system. If you get more information, visit our site: BEST ESSAY CHEAP
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