Trending questions in Database

+1 vote
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What are the advantages of SQL? [closed]

Dec 27, 2019 in Database by Yuth
 • 130 points
closed Dec 30, 2019 by Kalgi • 37 views
0 votes
1 answer

Which is the Preferred Method of Storing Passwords In Database?

Generally, we can use the sha hash ...READ MORE

Oct 11, 2019 in Database by Omaiz
 • 560 points • 100 views
0 votes
1 answer

How to connect to MySQL Database?

Firstly you must download the MySQLConnection NET ...READ MORE

Oct 11, 2019 in Database by Omaiz
 • 560 points • 81 views
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1 answer

Query to list number of records in each table in a database

Use the below code to list number of ...READ MORE

Oct 11, 2019 in Database by Omaiz
 • 560 points • 72 views
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1 answer

Which is better database vs. flat files?

Difference between database and flat files are ...READ MORE

Oct 11, 2019 in Database by Omaiz
 • 560 points • 47 views
0 votes
1 answer

Reorder or reset auto increment primary key

To reset the IDs of my User ...READ MORE

Oct 4, 2019 in Database by Daric
 • 500 points • 65 views
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1 answer

MySQL query finding values in a comma separated string

To find MySQL query values in a comma-separated ...READ MORE

Oct 4, 2019 in Database by Daric
 • 500 points • 63 views
0 votes
1 answer

How to check if a table exists in a given schema

Since you havent mentioned the DBMS in ...READ MORE

Oct 4, 2019 in Database by Daric
 • 500 points • 59 views
0 votes
1 answer

Can we store images in database

Beware that serving images from DB is ...READ MORE

Oct 4, 2019 in Database by Daric
 • 500 points • 39 views
0 votes
1 answer

How does database indexing work

If you have a book about dogs ...READ MORE

Oct 4, 2019 in Database by Daric
 • 500 points • 29 views
0 votes
1 answer

How to select the nth row in a SQL database table?

To select nth row type the below ...READ MORE

Sep 27, 2019 in Database by Omaiz
 • 560 points • 133 views
0 votes
1 answer

Why is SELECT * considered harmful?

If you add fields to the table, ...READ MORE

Sep 27, 2019 in Database by Omaiz
 • 560 points • 52 views
0 votes
1 answer

showing an error in a MySQL trigger

use this code: CREATE TRIGGER sample_trigger_msg ...READ MORE

Sep 27, 2019 in Database by Omaiz
 • 560 points • 40 views
0 votes
1 answer

Which is faster/best? SELECT * or SELECT col1, col2,......colN

There are four big reasons that select * is ...READ MORE

Sep 27, 2019 in Database by Omaiz
 • 560 points • 39 views
0 votes
1 answer

How do I reset a sequence in Oracle?

 If you want to set it to ...READ MORE

Sep 27, 2019 in Database by Omaiz
 • 560 points • 38 views
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
 • 58 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 17, 2019 in Database by Sonali
 • 50 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
 • 204 views
+1 vote
1 answer

Do I need to mention primary key for each table?

Hi Pritha, First, there is no hard and ...READ MORE

Jul 4, 2019 in Database by sampriti
 • 1,100 points • 94 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 4, 2019 in Database by sampriti
 • 1,100 points • 42 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
 • 88 views
+1 vote
1 answer

How can I reset my auto_increment column in MYSQL?

Hi Pratim, I understand your issue. I think you ...READ MORE

Jul 1, 2019 in Database by sampriti
 • 1,100 points • 75 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
 • 1,100 points • 52 views
0 votes
2 answers

MySQL "Could not create connection to database serve" error

When I am trying to connect netbeans ...READ MORE

Apr 14, 2019 in Database by anonymous
edited Apr 15, 2019 by Kalgi • 4,221 views
0 votes
2 answers

Advantages and Disadvantages of Stored Procedure

https://www.quora.com/What-are-the-advantages-of-using-an-SQL-stored ...READ MORE

Apr 29, 2019 in Database by anonymous
 • 6,259 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
 • 1,100 points • 117 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
 • 1,100 points • 125 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
 • 1,100 points • 63 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
 • 1,100 points • 128 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
 • 1,100 points • 45 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
 • 1,100 points • 78 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 24, 2019 in Database by sampriti
 • 1,100 points • 66 views
+1 vote
2 answers

Difference between SQL and PL/SQL

In Oracle database administration, there are two ...READ MORE

Sep 25, 2019 in Database by gautham
 • 236 views
0 votes
1 answer

MSSQL installation fails at mssql-conf setup

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

Mar 21, 2019 in Database by Omkar
 • 68,860 points • 565 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
 • 611 views
0 votes
1 answer

What is PostgreSQL?

PostgreSQL, or Postgres, is a relational database ...READ MORE

Mar 22, 2019 in Database by Manoj
 • 142 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
 • 431 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
 • 120 views
0 votes
1 answer

Install postgreSQL on Ubuntu

Installing PostgreSQL on Ubuntu is very simple, ...READ MORE

Mar 22, 2019 in Database by Nitesh
 • 80 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
 • 80 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
 • 63 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
 • 55 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
 • 46 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
 • 58 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
 • 50 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
 • 41 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
 • 42 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
 • 39 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
 • 36 views
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