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In which form of relational database developer refers to a record?In a tuple form of relational database developer refers to a record.
Describe DROP TABLE command of SQL along with both the options - CASCADE and RESTRICT. DROP TABLE command - This command drops the specified table. Dropping a table also dro
Project Description: I am updating my Javascript + HTML website with five domains for the same website I would like to know if I want to create site map and submit it in all the
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
Determine the rule that a value of a foreign key should appear as a value of some particular table is called a Ans: Referential constraint. The rule that a value of a fo
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Discuss the mechanism to read data from and write to a disk? Disk read/write heads are mechanisms in which read data from or write data to disk drives. The heads have gone by
how does Btree differ from a B+ - tree?
10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the
What is Asterisk in SQL? Asterisk (*): In SQL, the columns for all the tables and views in the FROM clause will be displayed.
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