Difference between a Database Instance and Schema
Database instance is used to describe a complete database environment. To learn more about database instance visit http://databases.about.com/od/administration/g/instance.htm?p=1. Schema is a set of program or bit strings that have some genotypic similarity, usually specified template. To read more about schema visit http://en.wikipedia.org/wiki/Schema. The difference between a database instance and schema is that a database instance is the main database that includes start up, shut down, and initialization and schema is the supporting database, which can include tables, and indexes. If you visit http://www.cs.uvm.edu/oracle9doc/em.901/a88767/ch_dba.htm you can read more about database administration.
Posted by lcolson on 8/22/2009
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Instance, Database and Schema: The distinction between these three is probably one of the most confusing concepts across different RDBMS since different RDBMS have different architectures and different terminologies. To put it simply in Oracle lingo, ... Functional difference between "NOT IN" vs "NOT EXISTS" clauses...
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RE: What is the difference between Instance and a Data... ... Instance is the memory structures and background processes used to interact with Database. Instance SGA + Background Process; Database is the physical files used to store information. the 3 types of physical files are: Datafiles Control File and Redo-Log...
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Application trigger: before shutdown after startup on error( any error occur in database after starting the orcalce instance before closing the instance) ... RE: what is the difference between database trigger and schema trigger?
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Home -> Community -> Usenet -> c.d.o.misc -> Re: Difference between a database and a schema ... And TOAD's login screen badly misuses the words as you can not log into a database ... only into an instance.
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what is the difference between database & schema?? [message #226642] ... Please correct me if i am wrong actually many times this confusion between database and instance happens.
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Home > Ask the Oracle Database / Applications Experts > Managing an Oracle shop Questions & Answers > What is the difference between a database engineer, architect and administrator? ... Can I drop a column in SYS schema?
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Difference between Database, Schema & Instance?; Can someone please recommend a specific brand name Enterprise DBMS??; ASP.net + SQL Server 08 + IIS 7 = need a free message board that all users can write on?; Query to find the count of sum() in db2 (preferably executable in ibm iseries navigator) ?;
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define a type system that is adequate for import/export from database systems (e.g., relational, object, OLAP); ... Conceptually there is no difference between the ·built-in· ·derived· datatypes included in this specification and the ·user-derived· datatypes which will be created by individual schema designers.
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For a more modern look at the difference between XML-enabled and native XML databases, ... In order to transfer data between XML documents and a database, it is necessary to map the XML document schema (DTD, XML Schemas, RELAX NG, etc.) to the database schema. The data transfer software is then built on top of this mapping.
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Give the two types of tables involved in producing a star schema and the type of data they hold. ... What is a database instance? Explain. ... what are difference between post database commit and post-form commit?
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