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let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
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 delet
Data Control The data control mostly refers to commands that permit system and data privileges to be passed to several users. These commands are usually available to database admi
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
Niles Video Inc. wants to create a website for online sales of movies (DVD and videotapes). People will be allowed to register as customers on the website and to update their store
what is completeness constrent?
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
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