UGC NET CSE | July 2018 | Part 2 | Question: 63

Pooja Khatri asked Jul 13, 2018 • recategorized May 23, 2020

4,865 views

0 votes

In a Hierarchical database, a hashing function is used to locate the ____

Collision
Root
Foreign Key
Records

Databases
ugcnetcse-july2018-paper2
databases
hierarchical-database

+ –

Pooja Khatri asked Jul 13, 2018 • recategorized May 23, 2020

Pooja Khatri

4.9k views

See all

0 Please log in or register to add a comment.

Please log in or register to answer this question.

5 Answers

0 votes

Records is ans

Hash function & indexing is used to increase the speed of accessing the record in database. With help of key we directly jump the record in database. I.e h(k)

mahesh13 answered Nov 24, 2018

mahesh13

See all

0 Please log in or register to add a comment.

Page:

« prev
1
2

Voting & Accepting an answer helps improve the community

← Previous Next →

← Previous in category Next in category →

Related questions

0 votes

5 answers

Pooja Khatri asked Jul 13, 2018

2,483 views

UGC NET CSE | July 2018 | Part 2 | Question: 61
In RDBMS, which type of Join returns all rows that satisfy the join condition? Inner Join Outer Join Semi Join Anti Join

In RDBMS, which type of Join returns all rows that satisfy the join condition?Inner JoinOuter JoinSemi JoinAnti Join

Pooja Khatri

2.5k views

Pooja Khatri asked Jul 13, 2018

Databases
ugcnetcse-july2018-paper2
databases
rdbms
joins

+ –

0 votes

2 answers

Pooja Khatri asked Jul 13, 2018

1,971 views

UGC NET CSE | July 2018 | Part 2 | Question: 62
Consider a relation book (title, price) which contains the titles and prices of different books. Assuming that no two books have the same price, what does the following SQL query? Select title from book as B where (select ... Title of the sixth most expensive books Titles of the seven most expensive books Title of the seventh most expensive books

Consider a relation book (title, price) which contains the titles and prices of different books. Assuming that no two books have the same price, what does the following S...

Pooja Khatri

2.0k views

Pooja Khatri asked Jul 13, 2018

Databases
ugcnetcse-july2018-paper2
databases
rdbms
sql

+ –

0 votes

1 answer

Pooja Khatri asked Jul 13, 2018

1,596 views

UGC NET CSE | July 2018 | Part 2 | Question: 65
Consider the following schedules involving two transactions. $S_1 : r_1(X) ; r_1(Y); r_2(X); r_2(Y); w_2(Y); w_1(X)$ $S_2 : r_1(X) ; r_2(X); r_2(Y); w_2(Y); r_1(Y); w_1(X)$ Which one of the following statements is correct ... not conflict serializable $S_1$ is not conflict serializable and $S_2$ is conflict serializable

Consider the following schedules involving two transactions.$S_1 : r_1(X) ; r_1(Y); r_2(X); r_2(Y); w_2(Y); w_1(X)$$S_2 : r_1(X) ; r_2(X); r_2(Y); w_2(Y); r_1(Y); w_1(X)$...

Pooja Khatri

1.6k views

Pooja Khatri asked Jul 13, 2018

Databases
ugcnetcse-july2018-paper2
databases
transaction-and-concurrency
conflict-serializable
easy

+ –

0 votes

1 answer

Pooja Khatri asked Jul 13, 2018

721 views

UGC NET CSE | July 2018 | Part 2 | Question: 66
For a database relation $R(a, b, c, d)$ where the domains of a, b, c and d include only atomic values and only the following functional dependencies and those that can be inferred from them hold: $a \rightarrow c$ ... in ____ First normal form but not in second normal form Second normal form but not in third normal form Third normal form BCNF

For a database relation $R(a, b, c, d)$ where the domains of a, b, c and d include only atomic values and only the following functional dependencies and those that can be...

Pooja Khatri

721 views

Pooja Khatri asked Jul 13, 2018

Databases
ugcnetcse-july2018-paper2
databases
rdbms

+ –

tags	tag:apple
author	user:martin
title	title:apple
content	content:apple
exclude	-tag:apple
force match	+apple
views	views:100
score	score:10
answers	answers:2
is accepted	isaccepted:true
is closed	isclosed:true

0 reply

Please log in or register to add a comment.

Please log in or register to answer this question.

5 Answers

0 reply

Please log in or register to add a comment.

Related questions

0

0