Is there any types of views in Oracle? If so, please let me know...
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Is there any types of views in Oracle? If so, please let me know...
follow this useful [URL="http://www.psoug.org/reference/views.html"]link[/URL]
what is the difference between cursor and collections
[QUOTE=nareshbabu18;23920]what is the difference between cursor and collections[/QUOTE]
cursor
When a query is executed in oracle, a result set is produced and stored in the memory. Oracle allows the programmer to access this result set in the memory through cursors.
Collection
A Collection is an ordered group of elements, all of the same type. Each element has a unique subscript, called an index, that determines its position in the collection
Hello Laxmi,
There r two types of VIEW in ORACLE.
Simple View and Complex View
simple view derives data from only one table but complex view derives data from many table
simple view contain no functions or group of data but complex view contain function or group of data
simple view always allow DML operation through th view but complex view does not always allow