what are the different types of database languages?
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['Data Definition Language. DDL stands for Data Definition Language. ... ', 'Data Manipulation Language. DML stands for Data Manipulation Language. ... ', 'Data Control Language. DCL stands for Data Control Language. ... ', 'Transaction Control Language. TCL is used to run the changes made by the DML statement.']
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['#3) IBM DB2. Latest release 11.1. ... ', '#5) Microsoft SQL Server. Developed in the year 1989. ... ', '#6) SAP Sybase ASE. ASE stands for Adaptive Server Enterprise. ... ', '#7) Teradata. Started in 1979. ... ', '#8) ADABAS. ADABAS stands for Adaptable Database System. ... ', '#9) MySQL. ... ', '#10) FileMaker. ... ', '#11) Microsoft Access.']
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['Data Definition Language (DDL) DDL changes the structure of the table like creating a table, deleting a table, altering a table, etc. ... ', 'Data Manipulation Language. ... ', 'Data Control Language. ... ', 'Transaction Control Language. ... ', 'Data Query Language.']
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['Real-world entity − A modern DBMS is more realistic and uses real-world entities to design its architecture. ... ', 'Relation-based tables − DBMS allows entities and relations among them to form tables. ... ', 'Isolation of data and application − A database system is entirely different than its data.']
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PHP is the most popular scripting language for web development. It is free, open source and server-side (the code is executed on the server). MySQL is a Relational Database Management System (RDBMS) that uses Structured Query Language (SQL). It is also free and open source.
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SQL and PL/SQL are relational database languages. SQL is a structured query language that adds, deletes, modifies or manipulates the data in the database. PL/SQL is a Procedural language which is an extension of SQL, and it holds the SQL statements within its syntax.
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['CREATE – is used to create the database or its objects (like table, index, function, views, store procedure and triggers).', 'DROP – is used to delete objects from the database.', 'ALTER-is used to alter the structure of the database.']
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['System languages: These are designed for low-level tasks, like memory and process management.', 'Scripting languages: These tend to be high-level and very powerful.', 'Domain-specific languages: These are only used in very specific contexts.', 'Visual languages: Languages that are not text-based.']
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['Super Key. ... ', 'Candidate Key. ... ', 'Primary Key. ... ', 'Alternate key. ... ', 'Composite/Compound Key. ... ', 'Unique Key. ... ', 'Foreign Key.']
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Relational databases are the most common database systems. They include databases like SQL Server, Oracle Database, Sybase, Informix, and MySQL. The relational database management systems (RDMS) feature much better performance for managing data over desktop database programs.
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['Procedural Programming Language. ... ', 'Functional Programming Language. ... ', 'Object-oriented Programming Language. ... ', 'Scripting Programming Language. ... ', 'Logic Programming Language. ... ', 'C++ Language. ... ', 'C Language. ... ', 'Pascal Language.']
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The language that is used for database application programming is the host language for the DBMS. As mentioned earlier, a host language may be a traditional programming language, such as C or COBOL, or it may be an application-level language, such as Microsoft Access or Visual Basic, as it is for the Jet DBMS.
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A Review of Different Database Types: Relational versus Non-Relational. Relational databases are also called Relational Database Management Systems (RDBMS) or SQL databases. Historically, the most popular of these have been Microsoft SQL Server, Oracle Database, MySQL, and IBM DB2.
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['CHARACTER.', 'CHARACTER VARYING (or VARCHAR)', 'CHARACTER LARGE OBJECT.', 'NCHAR.', 'NCHAR VARYING.', 'BINARY.', 'BINARY VARYING.', 'BINARY LARGE OBJECT.']
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['DML (DATA MANIPULATION LANGUAGE)', 'DDL (DATA DEFINITION LANGUAGE)', 'DCL (DATA CONTROL LANGUAGE)', 'TCL (TRANSACTION CONTROL LANGUAGE)']
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SQL (Structured Query Language) is a standard database language that is used to create, maintain and retrieve relational databases. Started in the 1970s, SQL has become a very important tool in a data scientist's toolbox since it is critical in accessing, updating, inserting, manipulating and modifying data.
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SQL (Structured Query Language) is a database management language for relational databases. SQL itself is not a programming language, but its standard allows creating procedural extensions for it, which extends it to the functionality of a mature programming language.