Specialized Programming Language

Student s nameCourse titleInstructor s nameDateSQL is the abbreviation of Structured Query Language . SQL is a words that is used in computers to retrieve the information and then to manage that data for contrary database creation and control . ISO and ANSI tell apart worked on the standardization of SQL . IBM was the first who developed SQL in seventies . Raymond F . Boyce and Donald D . Chamberlin argon the pioneers for the development of the first characteristic of this language . SEQUEL was the name that was addicted initially to SQL . The custom of the initial version was to work for System R . that was the received product of IBM for relative database oversight . The initial version was knowing in a way to facilitate the process of manipulation and convalescence of data that were stored in System R . thence the formal standardization of SQL took place in 1986 by Ameri corporation National Standards Institute (ANSI International Organization for Standardization (ISO ) standards has alike(p) the posterior versions of the language (Oppel ,. 90-91Vendors of SQL database management system (database management system ) have given several(prenominal) variations to the originally intentional SQL whose purpose was to serve as suggestive query and to manipulate data language . The variations by DBMS include varied adjectival constructs , statements involving control-of-flow and types of user-defined data . several(prenominal) extensions in the language also took place . SQL Persistent Stored Modules (SQL /PSM were include in the raw material part of the SQL language after the oust of SQL 1999 standardThough SQL was original designed to retrieve and manipulate the data from the relational database , the language chamberpot also serve as a platform for object-oriented and procedural prog ramming and with the help of DBMS involving ! another(prenominal) languages . There are different elements that are involved in the sub-division of the SQL language . These elements includeStatements : The statements element affects data or schemas .

Statements are adapted for the control of flow of different programs , sessions , and transactionsQueries : Queries are responsible for the retrieval of data on the fundament of particular criteriaExpressions : Expressions are fit for the productions of scalar values They can also produce tables in which rows and columns are present Those rows and columns yield data in themPredicates : In predicates , specific conditions are stipulate that SQL three-value logic can evaluateClauses : T hey are optional in definite cases . They are prefatorialally the share parts present in different queries and statementsWhitespace : The code of SQL is make easy to format by ignoring the whitespaces from the SQL statements and queries (ANSI /ISO /IEC ,. 1SQL also receives criticism from variant theorists because since its development the SQL has been widely stated as the language that is specifically designed for the use with SQL databases . It is criticized that the basic features of the SQL that were used for relational databases actually violated the relational amaze that was used in the management of database (Oppel ,. 90-91ConclusionSQL has been proved as a very useful language...If you destiny to get a wide essay, order it on our website: OrderEssay.net

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