Maximum height of a B+ tree of order m with n key values is
Practice Database Models Questions –
Maximum height of a B+ tree of order m with n key values is
Database Questions
Which is primarily the result of a thorough understanding of inform
Practice Database Models Questions –
Which is primarily the result of a thorough understanding of information about an enterprise ?
Which of the following is not a characteristic of a relational data
Practice Database Models Questions –
Which of the following is not a characteristic of a relational database model?
Tree structures are used to store data in
Practice Database Models Questions –
Tree structures are used to store data in
Three SQL, DDL, CREATE commands are ________ .
Practice Referntial Integrity Constraints – Three SQL, DDL, CREATE commands are ________ .
The rule that a value of a foreign key must appear as a value of so
Practice Referntial Integrity Constraints –
The rule that a value of a foreign key must appear as a value of some specific table is called a
If an entity can belong to only one lower level entity then the con
Practice Referntial Integrity Constraints –
If an entity can belong to only one lower level entity then the constraint is
What is a disjoint less constraint?
Practice Referntial Integrity Constraints –
What is a disjoint less constraint?
Which of the following is TRUE?
Practice Super Key Questions –
Which of the following is TRUE?
The common column is eliminated in
Practice Joins (DBMS) Questions –
The common column is eliminated in
…………….. requires that data should be made available to only
Practice Joins (DBMS) Questions – …………….. requires that data should be made available to only authorized users.
If two relations R and S are joined, then the non matching tuples o
Practice Joins (DBMS) Questions –
If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
Which of the following relational algebra operations do not require
Practice Joins (DBMS) Questions –
Which of the following relational algebra operations do not require the participating tables to be union-compatible?
Database security helps organizations to protect data from_________
Practice Database Security Questions –
Database security helps organizations to protect data from_______________.
The tables generated on compilation of data definition language are st
Practice Database Security Questions – The tables generated on compilation of data definition language are stored in?