Most voted questions in Database

0 votes
2 answers

Why is SELECT * table_name; is considered harmful?

Hi. Adding to @Tina's answer, there is ...READ MORE

Sep 23, 2019 in Database by Raghu
 • 1,061 views
0 votes
0 answers

Which SQL server should we use for SQL queries to be executed?

I mean to say which SQL server ...READ MORE

Aug 18, 2019 in Database by Sonali
 • 511 views
0 votes
1 answer

How to load data of .csv file in MySQL Database Table?

At first, put the dataset in the ...READ MORE

Jul 5, 2019 in Database by Reshma
 • 1,346 views
0 votes
1 answer

How can I change my existing database name?

Hey Partha, I understand your problem, I think this ...READ MORE

Jul 5, 2019 in Database by sampriti
 • 1,120 points • 1,176 views
0 votes
1 answer

What is the rule to use group by, having and where clause?

Hi samar, this is a very common mistake ...READ MORE

Jul 2, 2019 in Database by anonymous
 • 1,248 views
0 votes
1 answer

How can I check my all existing table in MySQL database?

Hi Pratik, I understand your problem regarding this ...READ MORE

Jul 1, 2019 in Database by sampriti
 • 1,120 points • 1,381 views
0 votes
1 answer

Can you explain what is the difference between UNION and Join?

Hi Sahana,  I got your doubt, Checkout these ...READ MORE

May 30, 2019 in Database by sampriti
 • 1,120 points • 1,308 views
0 votes
1 answer

How to sort the data in sql ?

Hi Akash,  If you want to sort ...READ MORE

May 29, 2019 in Database by sampriti
 • 1,120 points • 1,077 views
0 votes
1 answer

Do I need to add primary key in each and every table?

Hi Shraddha, You have a doubt to add ...READ MORE

May 29, 2019 in Database by sampriti
 • 1,120 points • 1,446 views
0 votes
1 answer

How will I get all the rows from my table where name starts with 's' and ending with 'I'?

Hi Santanu, I understand your problem, You can try ...READ MORE

May 28, 2019 in Database by sampriti
 • 1,120 points • 2,049 views
0 votes
1 answer

Can you please explain the difference between inner join and outer join in database?

Hi Suraj, You have a doubt regarding inner join ...READ MORE

May 28, 2019 in Database by sampriti
 • 1,120 points • 1,108 views
0 votes
1 answer

What are the different types of join in SQL?

Hi Suraj, You have a doubt regarding inner join ...READ MORE

May 28, 2019 in Database by sampriti
 • 1,120 points • 1,258 views
0 votes
1 answer

What is the best way to fetch data from table?

Hey Shraddha, I understand your doubts about fetching ...READ MORE

May 25, 2019 in Database by sampriti
 • 1,120 points • 1,960 views
0 votes
1 answer

Create new role - postgresql on ubuntu

If you are logged in as the postgres account, ...READ MORE

Mar 22, 2019 in Database by Danny
 • 837 views
0 votes
1 answer

Access progrs prompt without switching accounts

Use the following to get the postgres prompt ...READ MORE

Mar 22, 2019 in Database by Mahi
 • 791 views
0 votes
1 answer

Switch to postgresql acoount

Switch over to the postgres account on your server ...READ MORE

Mar 22, 2019 in Database by Kyraa
 • 694 views
0 votes
2 answers

Install postgreSQL on Ubuntu

Follow the below commands to install PostgreSQL (PSQL) ...READ MORE

Nov 12, 2020 in Database by Prachi
 • 140 points • 1,173 views
0 votes
1 answer

What are the prerequisites to install PostgreSQL on Ubuntu?

Before you start installing postgreSQL, make sure ...READ MORE

Mar 22, 2019 in Database by Manoj
 • 777 views
0 votes
2 answers

What is PostgreSQL?

HI... PostgreSQL is one of the top databases ...READ MORE

Oct 22, 2020 in Database by SRI
edited Oct 22, 2020 by Gitika • 1,218 views
0 votes
1 answer

How do I install MariaDB on Windows?

Hwy @Mike, install the latest stable version ...READ MORE

Mar 22, 2019 in Database by Nitin
 • 1,756 views
0 votes
1 answer

MSSQL installation fails at mssql-conf setup

Hi @Denis!  The problem has occurred due to the ...READ MORE

Mar 22, 2019 in Database by Omkar
 • 69,230 points • 4,854 views
0 votes
1 answer

Install DB2 on windows

Hey @Alok, follow these instructions: On the DB2 ...READ MORE

Mar 20, 2019 in Database by Kavyashri
 • 2,415 views
0 votes
1 answer

DB2 installation paths rules

These are the following rules you need ...READ MORE

Mar 20, 2019 in Database by Kyraa
 • 493 views
0 votes
1 answer

Restrictions while installing DB2 Server on Linux using DB2 Setup Wizard

Hey it would be helpful if you ...READ MORE

Mar 20, 2019 in Database by Yesha
 • 702 views
0 votes
1 answer

Install DB2 on Ubuntu

Hey @Dipti, follow these steps to install ...READ MORE

Mar 20, 2019 in Database by Kanika
 • 1,917 views
0 votes
1 answer

Check if my system is compatible with the DB2 Server

Before installing DB2 Server, you need to ...READ MORE

Mar 20, 2019 in Database by Lindsy
 • 603 views
0 votes
1 answer

Software requirements to install DB2 on Linux

Before installing the DB2 server, your system ...READ MORE

Mar 20, 2019 in Database by Yamini
 • 688 views
0 votes
1 answer

What are the hardware requirements to install DB2 on Linux?

Hey @Kiran, DB2 Server is available for ...READ MORE

Mar 20, 2019 in Database by Kevin
 • 728 views
0 votes
1 answer

Is MariaDB better than MySQL?

Yes ofcourse MariaDB is better than MySQL. ...READ MORE

Mar 18, 2019 in Database by Keshav
 • 557 views
0 votes
1 answer

What is MariaDB?

MariaDB is a database management system (DBMS), ...READ MORE

Mar 18, 2019 in Database by Janice
 • 744 views
0 votes
1 answer

Log into MariaDB Server as root

To log into the server as root, ...READ MORE

Mar 18, 2019 in Database by Gargi
 • 710 views
0 votes
1 answer

Pre-requisites while installing MariaDB on Ubuntu?

The only thing you need to make ...READ MORE

Mar 18, 2019 in Database by Janice
 • 662 views
0 votes
1 answer

Verify MariaDB is installed

Once you're done installing, execute the following ...READ MORE

Mar 18, 2019 in Database by Kiran
 • 1,272 views
0 votes
1 answer

Install MariaDB on Ubuntu

Hey Ravi, execute the following instructions to ...READ MORE

Mar 18, 2019 in Database by Kiran
 • 947 views
0 votes
1 answer

Install MS-SQL Server on Windows

Follow these steps  if you wish to ...READ MORE

Mar 18, 2019 in Database by Kiran
 • 736 views
0 votes
1 answer

Requirements to install ms-sql on Windows

You'll be requiring the below mentioned: Which version, ...READ MORE

Mar 17, 2019 in Database by Purva
 • 602 views
0 votes
1 answer

Thinks to keep in mind while installing ms-sql on Windows

Check for these things before you start ...READ MORE

Mar 17, 2019 in Database by Anvit
 • 497 views
0 votes
1 answer

Error: Cannot connect to the server using SA account - MSSQL Linux

The option is to reset the system ...READ MORE

Mar 17, 2019 in Database by Fatima
 • 793 views
0 votes
1 answer

Reset system administrator password - MSSQL Server on Linux

Execute the following two commands: sudo systemctl stop ...READ MORE

Mar 17, 2019 in Database by Fatima
 • 1,062 views
0 votes
1 answer

Error: Cannot connect to the SQL Server on Ubuntu from SSMS - installing mssql on linux

Hey @Rajni, Verify if the server is running ...READ MORE

Mar 17, 2019 in Database by Anvit
 • 2,493 views
0 votes
1 answer

Install SQQL Server agent on Linux

Hey Rajni, Execute the following commands: sudo apt-get ...READ MORE

Mar 17, 2019 in Database by Rakesh
 • 710 views
0 votes
1 answer

How do I install MSSQL Server on Linux?

Hey @Rajni, to install MSSQL Server on ...READ MORE

Mar 17, 2019 in Database by Rakesh
 • 693 views
0 votes
1 answer

System requirements to install MSSQL Server on Linux

These would be the hardware requirements to ...READ MORE

Mar 17, 2019 in Database by Mohor
 • 813 views
0 votes
1 answer

Things I need to consider before installing MSSQL on Linux

SQL server on Linux is pretty new ...READ MORE

Mar 17, 2019 in Database by Mohor
 • 682 views
0 votes
2 answers

How to create a shared database for users for different systems to connect to a single database in another system.?

Like Omkar said, while presenting your project ...READ MORE

Mar 18, 2019 in Database by Vardhan
 • 13,190 points • 4,861 views
0 votes
1 answer

Unable to uninstall MongoDB

Try apt-get --reinstall install mongodb This will pretend that ...READ MORE

Mar 15, 2019 in Database by Jobin
 • 1,777 views
0 votes
1 answer

How do i install MongoDB on ubuntu?

Hey @Aryaa, follow these steps: Import Public Key sudo ...READ MORE

Mar 15, 2019 in Database by Avinash
 • 804 views
0 votes
1 answer

How to display the queries executed by a particular user in MySQL?

From the version 5.1.7 onward, MySQL allows ...READ MORE

Mar 7, 2019 in Database by Mishti
 • 480 points • 4,243 views
0 votes
1 answer

How to intsall MongoDB in Windows?

Downloading and Installing MongoDB is the easiest ...READ MORE

Mar 1, 2019 in Database by Priyaj
 • 58,100 points • 736 views
0 votes
1 answer

How to install cassandra db on windows?

Downloading the executable file can be difficult. ...READ MORE

Mar 1, 2019 in Database by Priyaj
 • 58,100 points • 1,088 views
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