Q & A

Question 1

0 Votes 0 Ans

Protecting data dictionary

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Question 2

0 Votes 1 Ans

Remote database Administration in oracle

460 viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 3

0 Votes 3 Ans

What is the difference between Authentication and Authorization?

2.25K viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 4

0 Votes 1 Ans

what are Synonyms?

328 viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 5

0 Votes 1 Ans

What are the available update methods in MongoDB?

573 viewsmeda Changed status to publish 16/07/2022MongoDB

Question 6

0 Votes 1 Ans

What is the difference between db.collections.insert({…data}) and db.collections.save({…data})?

420 viewsmeda Changed status to publish 16/07/2022MongoDB

Question 7

0 Votes 1 Ans

PostgreSQL vs postGIS

517 viewsmeda Changed status to publish 16/07/2022PostgreSQL

Question 8

1 Votes 1 Ans

Zero-Day Vulnerabilities

3.07K viewsmeda Changed status to publish 16/07/2022Cyber security

Question 9

0 Votes 1 Ans

SQL statements and their MongoDB equivalents

551 viewsmeda Changed status to publish 16/07/2022MongoDB

Question 10

1 Votes 1 Ans

Phishing attack

4.35K viewsmeda Changed status to publish 16/07/2022Cyber security

Question 11

0 Votes 1 Ans

How do we sort documents in Mongodb?

413 viewsmeda Changed status to publish 16/07/2022MongoDB

Question 12

0 Votes 1 Ans

What are the key features of ReactJS?

449 viewsmeda Changed status to publish 16/07/2022Web

Question 13

0 Votes 1 Ans

What is server side rendering (SSR) and its advantages?

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Question 14

0 Votes 1 Ans

What are the various ways to count documents in mongodb?

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Question 15

0 Votes 1 Ans

What is snapshot isolation in postgreSQL database?

420 viewsmeda Changed status to publish 16/07/2022PostgreSQL

Question 16

0 Votes 1 Ans

What is the difference between selection and projection ?

713 viewsmeda Changed status to publish 16/07/2022PostgreSQL

Question 17

0 Votes 1 Ans

How to change your password securely in PostgreSQL database?

422 viewsmeda Changed status to publish 16/07/2022PostgreSQL

Question 18

0 Votes 1 Ans

How to use mongodb shell in password protected environment?

475 viewsmeda Changed status to publish 16/07/2022MongoDB

Question 19

0 Votes 1 Ans

How to use LIKE operator in mongodb?

607 viewsmeda Changed status to publish 16/07/2022MongoDB

Question 20

0 Votes 1 Ans

DECODE Function

366 viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 21

0 Votes 1 Ans

What is the difference between data dictionary and metadata?

354 viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 22

1 Votes 1 Ans

Security Model

3.01K viewsmeda Changed status to publish 16/07/2022Cyber security

Question 23

0 Votes 1 Ans

How to update NodeJS to the latest version without uninstalling the existing one?

410 viewsmeda Changed status to publish 16/07/2022Web

Question 24

0 Votes 1 Ans

What is NVL function and how can use it?

455 viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 25

0 Votes 1 Ans

How to add unique key constraint to an existing column of a table?

508 viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 26

2 Votes 2 Ans

Data Security

2.30K viewsmeda Changed status to publish 16/07/2022Cyber security

Question 27

0 Votes 1 Ans

How to disable primary key constraint of an existing table?

845 viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 28

0 Votes 1 Ans

What is oracle ROWID?

526 viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 29

0 Votes 1 Ans

How to move a table in oracle database?

363 viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 30

0 Votes 1 Ans

How to rebuild oracle index?

486 viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 31

0 Votes 1 Ans

How to create multiple indexes on the same column of a table?

365 viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 32

1 Votes 2 Ans

Effective countermeasures to protect against brute force attack?

960 viewsmeda Changed status to publish 16/07/2022Cyber security

Question 33

0 Votes 1 Ans

ORA-00214: control file error

706 viewsmeda Changed status to publish 16/07/2022Oracle Database

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