100+ Create view viewname PowerPoint (PPT) Presentations, Create view viewname PPTs

Create view viewname - PowerPoint PPT Presentation

Views

Views. Views. Logical data is how we want to see the current data in our database . Physical data is how this data is actually placed in our database. Views may be created for the following reasons :-. Provides data security Simplifies queries Can be queried as a table itself .

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Views Creation Of View: create view viewname as select columnname, columnname from tablename

Views Creation Of View: create view viewname as select columnname, columnname from tablename where columnname=expressionlist; [group by grouping criteria] [having predicate] Example: create view vw_client as select * from client_master; create view vw_client1 as

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113 views • 9 slides

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Create view viewname - PowerPoint PPT Presentation

Views

Views Creation Of View: create view viewname as select columnname, columnname from tablename