What are the advantages of Views ?
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Answer / guest
The advantages of views are
1)Data abstraction
2)Simple retrieving of data.
| Is This Answer Correct ? | 16 Yes | 3 No |
Answer / nishi
- Provide an additional level of table security, by restricting access to a predetermined set of rows and columns of a table.
- Hide data complexity.
- Simplify commands for the user.
- Present the data in a different perspective from that of the base table.
- Store complex queries.
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Answer / ven
secutiry of the data for ex: in bank domain some of the
columns data don't want to see others then we can restrict
the columns and create views and share the columns
whichever others can see.
| Is This Answer Correct ? | 2 Yes | 3 No |
The table has 3 columns 4 rows. The output is which column has least null values( A COL SHOULD BE THE OUTPUT) Write the query plz. A B C ================ 1 NULL 2 NULL 3 4 NULL 5 6 7 NULL NULL O/P C = 2 4 6
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