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Create view view - PowerPoint PPT Presentation

Views

Views

3. Views. What Is a PROC SQL View?. A stored query Contains no actual data Extracts underlying data each time that it is used -- accesses the most current data Can be referenced in SAS programs in the same way as a data table

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260 views • 25 slides
Security, Transactions, and Views

Security, Transactions, and Views

Security, Transactions, and Views. Security. Achieved through GRANT & REVOKE Assumes the database can recognize its users and verify their identity can also be controlled through the use of views - subsets of data usually maintained by the database administrator or DBA. Views.

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337 views • 22 slides
Security, Transactions, and Views

Security, Transactions, and Views

Security, Transactions, and Views. Security. Achieved through GRANT & REVOKE Assumes the database can recognize its users and verify their identity can also be controlled through the use of views - subsets of data usually maintained by the database administrator or DBA. Views.

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249 views • 22 slides
Database

Database

Database. cs453 Lab10. Objectives. Unions, intersections, difference indexes , Views Lab # 10. Unions, intersections, difference Indexes Views. Union Compatibility. Builds a relation consisting of all tuples appearing in either or both of two specified relations.

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333 views • 19 slides
View and Materialized view

View and Materialized view

View and Materialized view. What is a view?. Logically represents subset of data from one or more table. In sql , a view is a virtual relation based on result-set of a SELECT statement. It contains rows and columns just like a real table.

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468 views • 16 slides

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