The middleware databases in which the business rules act are applicable to _______ tier architectures
Single
Three
Two
None
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- The ______ language consists of SQL statements for operating on the data (insert, Modify, Delete) in…
- Which of the following relational algebra operations do not require the participating tables to be union-compatible?
- A DBMS is a ____ user if at most one user can use the system and is mostly restricted to personal computer…
- Which one is true statement :
- The fact that all employees of a particular organization should not have salaries more than $10000 is…
- Which of the following relational algebraic operations is not from set theory?
- _____ First proposed the process of normalization.
- Which normal form is considered adequate for normal relational database design?
- Which of the following is not a property of transactions?
- DROP is a statement in SQL.
- In multiple granularity of locks SIX lock is compatible with
- For using a specific database …………… command is used.
- The transactions like adding an employee, enrolling a student in a course are examples of _______
- Change Staff table by removing default of Assistant for position column
- The statement that is executed automatically by the system as a side effect of the modification of the…
- A transaction is in state after the final statement has been executed.
- In E-R Diagram total participation is represented by
- In an ER model,_____ is described in the database by storing its data.
- Which of the following is not a logical database structure?
- The part of a database management system which ensures that the data remains in a consistent state is
- The clause in SQL that specifies that the query result should be sorted in ascending or descending order…
- The ______ key of a relation is the attribute (column) or collection of attributes, which uniquely identify…
- Which of the following ensures the atomicity of the transaction?
- In a multi-user database, if two users wish to update the same record at the same time, they are prevented…
- _____is a full form of SQL.
- A weak entity has an ______ dependency on its owner entity, which can be used for both ON UPDATE and…
- Which of the following is not a characteristic of a relational database model?
- ______is a special type of integrity constraint that relates two relations & maintains consistency across…
- The _______ is a set of programs to use and / or modify this data.
- Which two files are used during operation of the DBMS?