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Create role named role_table that allows a user to create tables. Using role_table allow users kripa and reena to create tables.
CREATE ROLE role_table; GRANT CREATE ANY TABLE TO role_table; GRANT role_table TO kripa, reena;
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
Can your organization scan large format documents? Yes, large format scanning used for such entities as city plans and blueprints is available. We selected scanners with the ab
What are the two statements regarding transaction? The two statements regarding transaction of the form are:- A) Begin transaction B) End transaction
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
Explain weak and strong entity type ? Weak and Strong entity type: An entity set which does not have a primary key is referred to as a weak entity set. The existence of a wea
While sorting field groups we cannot use more than one key field False.
How is concurrency identified? Concurrency in objects can be identified by the way they alter their state. Current objects can change their state independently. Aggregation imp
does tables are called relations
Can we delete data element, which is being used by table fields. No we cant delete data element.
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