what is the difference between database and schema?
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A database is the main container, it contains the data and log files, and all the schemas within it. You always back up a database, it is a discrete unit on its own. Schemas are like folders within a database, and are mainly used to group logical objects together, which leads to ease of setting permissions by schema.
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A database has tables of data, views, indexes and programs. ... database is a collection of several components like tables, indexes, stored procedures and so on. A table is a two dimensional structure that contains several columns and rows. It is contains all the data in form of several records.
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A database is an organized collection of data, generally stored and accessed electronically from a computer system. ... The database management system (DBMS) is the software that interacts with end users, applications, and the database itself to capture and analyze the data.
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What is the difference between a DBMS and data warehousing? ... DBMS consists of transactional data. The data generated from the source application is directly stored into DBMS. Data warehouse on the other hand is used for storing cleaned data.
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Difference between RDBMS and DBMS. Database Management System (DBMS) is a software that is used to define, create and maintain a database and provides controlled access to the data. Relational Database Management System (RDBMS) is an advanced version of a DBMS. DBMS stores data as file.
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The main difference between instance and database in SQL server is that an instance is a copy of the sqlservr.exe executable that runs as an operating system service while a database is a systematic collection of data that stores data in tables. SQL Server is an RDBMS developed by Microsoft.
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['The database schema.', 'Schema objects.', 'Indexes.', 'Tables.', 'Fields and columns.', 'Records and rows.', 'Keys.', 'Relationships.']
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Tables are at the core of a DB2 database. However, a DB2 database involves more than just a collection of tables; a DB2 database also involves other objects, such as views and indexes, and larger data containers, such as table spaces. ... SQL is the standard language for accessing data in relational databases.
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[computing] The structure or design of a database or database object, such as a table, view, index, stored procedure, or trigger. In a relational database, the schema defines the tables, the fields in each table, the relationships between fields and tables, and the grouping of objects within the database.
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The first difference between entity and table in a database, is that an entity does not exist in a database or in SQL. It is conceptual. Whereas a table is a physical construct in a database and SQL. ... Some entities can be abstract and are never converted into tables.
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Sample Solutions: External schemas allow data access to be customized (and authorized) at the level of individual users or groups of users. Conceptual (logical) schemas describe all the data that is actually stored in the database.
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is that schema is schema, diagram while diagram is a plan, drawing, sketch or outline to show how something works, or show the relationships between the parts of a whole.
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A relational databases relies on the relational model, on the other hand a object database relies on the OOP. ... The difference between relational database and object oriented database is that the relational data base stores data in the form of tables which contains rows and columns.
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Answer. A database is a searchable collection of information. In library research, a database is where you find journal articles. Each database contains thousands of articles which you can search for simultaneously and quickly to find articles with higher relevancy than searching in individual journals.
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Database applications are software programs that allow users to access and maintain databases. Remember that databases are large collections of data. This data is organized along the same lines as a spreadsheet, with tables, rows (also called records), and columns.
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Strictly speaking, the database is the set of files where data, that is to say, the stuff that's stored in the database, and metadata, is stored. An instance refers to the software that makes up the database server. ... An instance refers to the software that makes up the database server.
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The difference is in the purpose of each. Purpose of a database is to store data so that it could be easily retrieved (usually through some SQL language) when needed. The purpose of a website is to make information available on the internet for it's users.