Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
I need help for my Uni assignments
Define Database layer? The database layer defines the data formats used in the database.
Gaps in sequence values can happen when: - A rollback happens that is when a statement changes are not accepted. - When the system crashes - When a sequence i
What are the two types of errors? The two types of errors are: a) Logical error b) System error
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
what is definition hierarchical data model
Outer Join: The use of Outer Join is that it still joins those tuples that do not have matching values in common columns are also contained in the result table. Outer join places
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
What is recursive closure? Why is it not possible to describe this operation in relational algebra? Recursive closure is applied to recursive relationship. An instance of rec
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: info@expertsmind.com
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd