Latest questions in Database

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1 answer

How to design data warehouse for support whole business?

Hi, @There, So here are a few steps ...READ MORE

Jun 1, 2020 in Database by Gitika
 • 65,910 points • 721 views
0 votes
1 answer

Generate mongod.conf for tarball installtion

Hi,@kailas, To run a mangod process as a daemon ...READ MORE

May 26, 2020 in Database by Gitika
 • 65,910 points • 878 views
0 votes
1 answer

How to detect a SQL table's existence in Java?

Hello, Depending on the DB, you can do ...READ MORE

May 13, 2020 in Database by Niroj
 • 82,880 points • 754 views
0 votes
1 answer

Error:Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]

Hii @kartik, I was also facing the same ...READ MORE

May 13, 2020 in Database by Niroj
 • 82,880 points • 6,299 views
0 votes
1 answer

Error:Cannot resolve the collation conflict between "SQL_Latin1_General_CP1_CI_AS" and "Arabic_CI_AS" in the equal to operation.

Hello @kartik, You can resolve the issue by ...READ MORE

May 13, 2020 in Database by Niroj
 • 82,880 points • 19,563 views
+1 vote
1 answer

How to migrate a PostgreSQL database into a SQLServer one?

Hello @kartik, The easier way to accomplish this. First ...READ MORE

May 13, 2020 in Database by Niroj
 • 82,880 points • 580 views
0 votes
1 answer

What to combine two tables into one.

Hii Nikola, I think you need to UNION ALL otherwise you ...READ MORE

May 21, 2020 in Database by Niroj
 • 82,880 points • 721 views
0 votes
1 answer

How can Mysql database sync between two databases?

Hii, Some simple rules you will have to ...READ MORE

May 4, 2020 in Database by Niroj
 • 82,880 points • 1,885 views
0 votes
1 answer

Why do we need Transaction in Hibernate for read-only operations?

Hello @kartik, It doesn't matter whether you only ...READ MORE

May 4, 2020 in Database by Niroj
 • 82,880 points • 2,568 views
0 votes
1 answer

How to take MySQL database backup using MySQL Workbench?

Hii, You can export like this: Hope this is ...READ MORE

May 4, 2020 in Database by Niroj
 • 82,880 points • 969 views
0 votes
1 answer

How to schedule a job for sql query to run daily?

Hii, To schedule a job for sql query ...READ MORE

May 4, 2020 in Database by Niroj
 • 82,880 points • 3,705 views
0 votes
1 answer

How do I kill all the processes in Mysql “show processlist”?

Hello kartik, Mass killing operation saves time. Do it ...READ MORE

May 4, 2020 in Database by Niroj
 • 82,880 points • 2,244 views
0 votes
1 answer

How to empty a redis database?

Hello @kartik, You have two options: FLUSHDB - clears currently ...READ MORE

May 4, 2020 in Database by Niroj
 • 82,880 points • 662 views
0 votes
1 answer

Error Code: 2020. Lost connection to MySQL server during query

Hello @kartik, I got the same issue when ...READ MORE

May 4, 2020 in Database by Niroj
 • 82,880 points • 2,472 views
0 votes
1 answer

MySQL Error: : 'Access denied for user 'root'@'localhost'

Hello @kartik, I did this to set my ...READ MORE

May 4, 2020 in Database by Niroj
 • 82,880 points • 17,987 views
0 votes
1 answer

Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.sock)

Hii I was having the same problem and ...READ MORE

May 4, 2020 in Database by Niroj
 • 82,880 points • 2,342 views
0 votes
1 answer

Error:Import SQL dump into PostgreSQL database

Hello, Here is the command you are looking ...READ MORE

May 4, 2020 in Database by Niroj
 • 82,880 points • 4,507 views
0 votes
1 answer

How can I connect databases server to EC2 server?

Hi@Trinu, You can create one database in AWS ...READ MORE

May 1, 2020 in Database by MD
 • 95,440 points • 769 views
0 votes
1 answer

I have to build a school website How can i connect databases to the instance (ec2) and what is the best AMI for my webserver INAWS ???

Hi@Trinu, I don't think your database is depends ...READ MORE

May 4, 2020 in Database by MD
 • 95,440 points • 684 views
0 votes
1 answer

ERROR 1006 (HY000): Can't create database 'test' (errno: 2) in mysql

Hi@akhtar, You have to change the permissions or ...READ MORE

Apr 14, 2020 in Database by MD
 • 95,440 points • 7,492 views
0 votes
1 answer

Sir please tell me how to import image in database?

Hello soumadip, (Assuming you are using mysql database) You ...READ MORE

Apr 1, 2020 in Database by Niroj
 • 82,880 points • 792 views
0 votes
1 answer

Can't connect to mysql server in workbench. Kindly please support. username: root & Password: 1234 (i gave)

Hey, @Arivukani, You can see once thing, the solution ...READ MORE

Mar 30, 2020 in Database by Gitika
 • 65,910 points • 1,602 views
0 votes
1 answer

Interface for MariaDB after installed in Window

If you are talking about a Graphical ...READ MORE

Mar 16, 2020 in Database by Sirajul
 • 59,230 points • 735 views
0 votes
1 answer

MariaDB for window 10 Beginner

Refer the following: To know how to install ...READ MORE

Mar 16, 2020 in Database by Sirajul
 • 59,230 points • 684 views
+1 vote
0 answers

What are the advantages of SQL? [closed]

Dec 28, 2019 in Database by Yuth
 • 130 points
closed Dec 30, 2019 by Kalgi • 837 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 • 964 views
0 votes
0 answers

What is the best design for a database table that can be owned by two different resources, and therefore needs two different foreign keys?

Oct 11, 2019 in Database by Daric
 • 500 points • 443 views
0 votes
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 • 1,253 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 • 650 views
0 votes
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 • 12,324 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 • 2,845 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 • 2,466 views
0 votes
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 • 2,709 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 • 530 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 • 610 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 • 2,220 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 • 655 views
0 votes
2 answers

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

SELECT * FROM ( SELECT ID, NAME, ROW_NUMBER() ...READ MORE

Apr 23, 2020 in Database by anand
 • 140 points • 25,091 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 • 537 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 • 621 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
 • 831 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
 • 405 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
 • 1,148 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 • 984 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
 • 1,120 points • 676 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
 • 1,084 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 2, 2019 in Database by sampriti
 • 1,120 points • 739 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 • 1,246 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 • 1,149 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 • 919 views
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