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Command Line Interfaces: These are interactive interfaces, character-based that let you use the complete power and functionality of the DBMS query language directly. They permit you to manipulate the database and perform ad-hoc queries and see the results instantly. They are often the only method of exploiting the complete power of the database without making programs using a conventional programming language.
what do you mean by consistency in rdbms?
What are the function of DBA?
Show a centralised schema to support the operation of the system you have chosen, including in particular: the product catalogue; the outlets and respective stocks; customer record
Define- relational algebra. The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relati
Most computer systems authenticate users by asking them for the user name and password. However, the user names and passwords often can be guessed by hackers. Suggest an automated,
XYZ is a large chain of home entertainment rental over 100 stores distributed over all states in Australia. XYZ lends entertainment products such as movies, TV shows and games on v
Consider student (std_id, std_name, date_of_birth, phone, dept_name). Put the data for a student with student id200, name arun, birth date 1 February, 1985, phone number (01110 328
Define average seek time. The average seek time is the average of the seek times, calculated over a sequence of random requests.
How many types of users works on database? Users are differentiated through the way they expect to interact along with the system (i) Application programmers-interact with
What is the use of Union and intersection operation? Union: The result of this operation contains all tuples that are either in r1 or in r2 or in both r1 and r2.Duplicate tuple
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