Questions

Question 1

0 Votes 0 Ans

Protecting data dictionary

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

Question 2

0 Votes 1 Ans

Remote database Administration in oracle

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

Question 3

0 Votes 3 Ans

What is the difference between Authentication and Authorization?

2.38K viewsmeda Changed status to publish 16/07/2022Oracle Database

Question 4

0 Votes 1 Ans

what are Synonyms?

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

Question 5

0 Votes 1 Ans

What are the available update methods in MongoDB?

658 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})?

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

Question 7

0 Votes 1 Ans

PostgreSQL vs postGIS

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

Question 8

1 Votes 1 Ans

Zero-Day Vulnerabilities

3.17K viewsmeda Changed status to publish 16/07/2022Cyber security

Question 9

0 Votes 1 Ans

SQL statements and their MongoDB equivalents

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

Question 10

1 Votes 1 Ans

Phishing attack

4.46K viewsmeda Changed status to publish 16/07/2022Cyber security

Question 11

0 Votes 1 Ans

How do we sort documents in Mongodb?

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

Question 12

0 Votes 1 Ans

What are the key features of ReactJS?

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

Question 13

0 Votes 1 Ans

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

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

Question 14

0 Votes 1 Ans

What are the various ways to count documents in mongodb?

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

Question 15

0 Votes 1 Ans

What is snapshot isolation in postgreSQL database?

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

Question 16

0 Votes 1 Ans

What is the difference between selection and projection ?

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

Question 17

0 Votes 1 Ans

How to change your password securely in PostgreSQL database?

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

Question 18

0 Votes 1 Ans

How to use mongodb shell in password protected environment?

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

Question 19

0 Votes 1 Ans

How to use LIKE operator in mongodb?

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

Question 20

0 Votes 1 Ans

DECODE Function

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

Question 21

0 Votes 1 Ans

What is the difference between data dictionary and metadata?

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

Question 22

1 Votes 1 Ans

Security Model

3.10K 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?

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

Question 24

0 Votes 1 Ans

What is NVL function and how can use it?

553 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?

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

Question 26

2 Votes 2 Ans

Data Security

2.43K 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?

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

Question 28

0 Votes 1 Ans

What is oracle ROWID?

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

Question 29

0 Votes 1 Ans

How to move a table in oracle database?

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

Question 30

0 Votes 1 Ans

How to rebuild oracle index?

565 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?

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

Question 32

1 Votes 2 Ans

Effective countermeasures to protect against brute force attack?

1.06K viewsmeda Changed status to publish 16/07/2022Cyber security

Question 33

0 Votes 1 Ans

ORA-00214: control file error

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

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