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Database Structure Analysis - Assignment Example

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This assignment "Database Structure Analysis" discusses the performance of the database and query execution that will improve by reducing the number of tables where possible since it will reduce or eliminate the use of the clauses such as the ‘JOIN’ clause in the query design…
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Database Structure Analysis
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SQL> create table a1_language ( language varchar2(15) constraint language primar y key); Table created. SQL> insert into a1_language values ('Romanian'); 1 row created. SQL> insert into a1_language values ('English'); 1 row created. SQL> insert into a1_language values ('French'); 1 row created. SQL> insert into a1_language values ('German'); 1 row created. SQL> insert into a1_language values ('Afrikaans'); 1 row created. SQL> insert into a1_language values ('Spanish'); 1 row created.

SQL> insert into a1_language values ('Catalan'); 1 row created. SQL> insert into a1_language values ('Portuguese'); 1 row created. SQL> insert into a1_language values ('Italian'); 1 row created. SQL> insert into a1_language values ('Turkish'); 1 row created. SQL> insert into a1_language values ('Lithuanian'); 1 row created. SQL> insert into a1_language values ('Russian'); 1 row created. SQL> insert into a1_language values ('Japanese'); 1 row created. SQL> insert into a1_language values ('Slovenian'); 1 row created.

SQL> insert into a1_language values ('Norwegian'); 1 row created. SQL> insert into a1_language values ('Chinese'); 1 row created. SQL> insert into a1_language values ('Serbian'); 1 row created. SQL> insert into a1_language values ('Slovak'); 1 row created. SQL> insert into a1_language values ('Czech'); 1 row created. SQL> insert into a1_language values ('Polish'); 1 row created. . l ( issn varchar2(9) constraint issn primary key, tit le varchar2(100), url varchar2(110), publisher_id number(3), keyword varchar2(18 0), start_year number(4), end_year number(4) ); Table created.

SQL> commit; Commit complete. SQL> insert into a1_journal values ('1222-569X','Annals of the University of Ora dea : Economic Science','http://steconomice.uoradea.ro/anale/en_index.html',114, 'financial accounting, banking, management, marketing, statistics',2005,NULL); i nsert into a1_journal values ('1311-0160','Balkan Journal of Medical Genetics',' http://versita.metapress.com/content/120841/',118,'genetics, genetic engineering ',2007,NULL);

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Database Structure Analysis Assignment Example | Topics and Well Written Essays - 8000 words. https://studentshare.org/logic-programming/1430104-database-implementation-and-querying
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Database Structure Analysis Assignment Example | Topics and Well Written Essays - 8000 Words. https://studentshare.org/logic-programming/1430104-database-implementation-and-querying.
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