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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;
complete assignment on the above title.
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
Mention the type of constraints we can specify in the CREATE command of DDL. The type of constraints that can be specified are as follows:- PRIMARY KEY, NOT NULL, UNIQUE, FOR
Single-Valued Dependencies A database is a collection of related information and it is therefore inevitable that some items of information in the database would depend on some
Write a program within embedded SQL to associative the total trip expenses of the salesman named ‘John' for the relations. EXEC SQL BEGIN DECLARE SECTION; long total_expenses;
List the data structures implemented by the storage manager. The storage manager executes the following data structure a) Data files b) Data dictionary c) indices
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
Define the terms i) Entity set ii) Relationship set Entity set: The set of all entities of the similar type is termed as an entity set. Relationship set: The set of all rela
#explain five disadvantages of a dbms..
what is cascading rollback
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