9 Questions
In database management, what is the primary function of a view?
To act as an alias for tables
How are synonyms useful in database management?
They act as alternate names for database objects
Which of the following ensures that all updates and inserts meet certain conditions in a view definition?
With Check
Are views capable of containing all rows of a table?
TRUE
What is the significance of indexes in a database schema?
To improve data retrieval performance
What differentiates a view from a table in a database system?
Views provide a customizable virtual representation of data stored in tables
When creating a view, what is the purpose of using 'With Check Option'?
'With Check Option' ensures that inserted rows meet view criteria
'Synonyms' in a database serve which primary purpose?
Act as secure aliases for database objects
'Sequences' in a database are used primarily for:
Generating unique numeric identifiers
Test your knowledge on database sequences and pseudocolumns. Learn about generating unique numbers, creating primary key values, and improving efficiency by caching sequence values in memory.
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