Latest questions in Database

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1 answer

SQL error "ORA-01722: invalid number"

When an effort is made to convert ...READ MORE

Feb 15, 2022 in Database by Neha
 • 9,060 points • 2,637 views
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1 answer

What is the definition of cardinality in SQL?

Cardinality is defined as the "number of ...READ MORE

Feb 15, 2022 in Database by Neha
 • 9,060 points • 1,573 views
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0 answers

Selecting COUNT(*) with DISTINCT

In SQL Server 2005, I have a ...READ MORE

Feb 14, 2022 in Database by Neha
 • 9,060 points • 316 views
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1 answer

Which SQL query is used to find Nth highest salary from a salary table

If you want to find nth Salary ...READ MORE

Feb 14, 2022 in Database by Vaani
 • 7,020 points • 2,349 views
0 votes
1 answer

Should I use != or <> for not equal in T-SQL?

Most of the existing databases support != Databases that ...READ MORE

Feb 14, 2022 in Database by Vaani
 • 7,020 points • 275 views
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1 answer

Number of rows affected by an UPDATE in PL/SQL

You can try using the following query: SELECT ...READ MORE

Feb 14, 2022 in Database by Vaani
 • 7,020 points • 1,009 views
0 votes
1 answer

ORACLE LIVE SQL IMPORT CSV DATA (live oracle sql)

Convert CSV to SQL http://www.convertcsv.com/csv-to-sql.htm This programme may be ...READ MORE

Feb 11, 2022 in Database by Neha
 • 9,060 points • 7,651 views
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1 answer

NOT IN vs NOT EXISTS

In my opinion, the most efficient way ...READ MORE

Feb 11, 2022 in Database by Neha
 • 9,060 points • 383 views
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1 answer

Please name some online websites to compile and run PL/SQL?

For executing Oracle SQL queries and PL/SQL ...READ MORE

Feb 11, 2022 in Database by Neha
 • 9,060 points • 1,129 views
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1 answer

What do you mean by Clustered and Non-Clustered index?

The rows in a clustered index are ...READ MORE

Feb 10, 2022 in Database by Vaani
 • 7,020 points • 296 views
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1 answer

Inserting multiple rows in a single SQL query?

In SQL Server 2008, multiple rows can ...READ MORE

Feb 10, 2022 in Database by Vaani
 • 7,020 points • 814 views
0 votes
1 answer

SQL Group By with an Order By

In any version of MySQL, you can use the aggregate ...READ MORE

Feb 10, 2022 in Database by Vaani
 • 7,020 points • 289 views
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1 answer

How to delete duplicate rows in SQL Server?

CTEs and ROW_NUMBER can be combined together which will ...READ MORE

Feb 10, 2022 in Database by Vaani
 • 7,020 points • 596 views
0 votes
1 answer

How to generate the statement CREATE TABLE for an existing table in postgreSQL?

Generate table creation statement for an existing ...READ MORE

Feb 9, 2022 in Database by Neha
 • 9,060 points • 5,966 views
0 votes
1 answer

How to rename a column in a database table using SQL?

For SQL Server, use sp_rename USE AdventureWorks; GO EXEC sp_rename 'Customers.CustomerTerritory.TerritoryID', ...READ MORE

Feb 9, 2022 in Database by Neha
 • 9,060 points • 539 views
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1 answer

SQL Server: PARTITION BY vs GROUP BY

To understand the differences between GROUP BY ...READ MORE

Feb 9, 2022 in Database by Neha
 • 9,060 points • 2,225 views
0 votes
1 answer

How Can I use "Date" Datatype in sql server?

There's problem in all of them and ...READ MORE

Feb 9, 2022 in Database by Neha
 • 9,060 points • 1,056 views
0 votes
1 answer

What are DDL and DML?

SQL Commands have subcategories like DDL, DML, DCL ...READ MORE

Feb 8, 2022 in Database by Vaani
 • 7,020 points • 708 views
0 votes
1 answer

SQL Server CASE .. WHEN .. IN statement

Two forms of CASE statements are getting ...READ MORE

Feb 8, 2022 in Database by Vaani
 • 7,020 points • 511 views
0 votes
1 answer

Convert Rows to columns using 'Pivot' in SQL Server

You can use the PIVOT function to ...READ MORE

Feb 8, 2022 in Database by Vaani
 • 7,020 points • 1,322 views
0 votes
1 answer

How would I find the second largest salary from a employee table? [closed]

To find the 2nd largest salary from ...READ MORE

Feb 8, 2022 in Database by Vaani
 • 7,020 points • 574 views
0 votes
1 answer

How to take user input in livesql.oracle.com in PLSQL?

To create a procedure with a parameter ...READ MORE

Feb 7, 2022 in Database by Vaani
 • 7,020 points • 3,774 views
0 votes
1 answer

SQL Switch/Case in 'where' clause

Without a case statement: SELECT column1, ...READ MORE

Feb 7, 2022 in Database by Vaani
 • 7,020 points • 1,111 views
0 votes
1 answer

SQL Server replaces LEFT JOIN for LEFT OUTER JOIN in view query

You are getting the joins confused and ...READ MORE

Feb 4, 2022 in Database by Neha
 • 9,060 points • 1,131 views
0 votes
1 answer

LEFT JOIN vs. LEFT OUTER JOIN in SQL Server

At the top level there are mainly ...READ MORE

Feb 4, 2022 in Database by Neha
 • 9,060 points • 1,668 views
0 votes
1 answer

How to drop all tables from a database with one SQL query?

Use the INFORMATION_SCHEMA.TABLES view to get the ...READ MORE

Feb 4, 2022 in Database by Neha
 • 9,060 points • 8,398 views
0 votes
1 answer

Ordering by the order of values in a SQL IN() clause

Use MySQL's FIELD() function: SELECT name, description, ... FROM ... WHERE id ...READ MORE

Feb 4, 2022 in Database by Neha
 • 9,060 points • 4,479 views
0 votes
2 answers

Case in Select Statement

I think these could be helpful for ...READ MORE

Feb 4, 2022 in Database by Neha
 • 9,060 points • 394 views
0 votes
1 answer

What is a stored procedure?

A stored procedure is a set of ...READ MORE

Feb 4, 2022 in Database by Neha
 • 9,060 points • 813 views
0 votes
0 answers

How do I UPDATE from a SELECT in SQL Server?

INSERT INTO Table (col1, col2, col3) SELECT col1, ...READ MORE

Feb 4, 2022 in Database by Vaani
 • 7,020 points • 331 views
0 votes
1 answer

What is an index in SQL?

An index is used to speed up ...READ MORE

Feb 3, 2022 in Database by Vaani
 • 7,020 points • 442 views
0 votes
1 answer

How do I UPDATE from a SELECT in SQL Server?

MERGE INTO YourTable T USING ...READ MORE

Feb 3, 2022 in Database by Vaani
 • 7,020 points • 604 views
0 votes
1 answer

two back slash in SQL procedure with Regular expression

It's the escape prefix in regular expressions: ...READ MORE

Feb 2, 2022 in Database by Vaani
 • 7,020 points • 1,346 views
0 votes
0 answers

how to create a SQL table?

Feb 1, 2022 in Database by Neha
 • 9,060 points • 237 views
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what does sql stand for?

Feb 1, 2022 in Database by Neha
 • 9,060 points • 156 views
0 votes
0 answers

How to add constraints in SQL?

Jan 31, 2022 in Database by Neha
 • 9,060 points • 174 views
0 votes
0 answers

how to use sql server management studio

Jan 31, 2022 in Database by Neha
 • 9,060 points • 196 views
0 votes
1 answer

Updating multiple records in this year with information held in previous year.

Hello, For your query you can refer this:https://www.plus2net.com/sql_tutorial/sql_update.php Hope ...READ MORE

Nov 9, 2020 in Database by Niroj
 • 82,880 points • 641 views
0 votes
1 answer

How does Docker CLI connects with DB?

To connect Docker CLI with a Database, ...READ MORE

Oct 19, 2020 in Database by lyana
 • 596 views
0 votes
1 answer

/opt/mssql/bin/mssql-conf: command not found in Ubuntu 20.04

Hello @netwell, You need to have at least 3.25 ...READ MORE

Oct 19, 2020 in Database by Niroj
 • 82,880 points • 5,992 views
0 votes
0 answers

How to Secure Postgres in cilium like Cassanda.

I want help in writing  code in ...READ MORE

Oct 14, 2020 in Database by Aryan
 • 190 points • 621 views
0 votes
1 answer

RDS Replica Showing Storage full where all the configuration are same

Hey, @Syeda, If you expect an increase in ...READ MORE

Sep 8, 2020 in Database by Gitika
 • 65,910 points • 1,252 views
0 votes
1 answer

error while Retrieving the subquery column in where condition to main query

Hello @Jyra, You should first pay attention to ...READ MORE

Sep 4, 2020 in Database by Niroj
 • 82,880 points • 1,024 views
0 votes
0 answers

I need data from the the site of Justdial for my business. Anybody can tell from where do i get that?

Sep 1, 2020 in Database by Satish
 • 120 points • 595 views
0 votes
2 answers

How to send data to my database from html and css Contact Us Form?

Hello @Sign, It is simple to create contact ...READ MORE

Aug 4, 2020 in Database by Niroj
 • 82,880 points • 35,075 views
0 votes
1 answer

My values in my codes aren't inserted into mySQL. I input 5 but it will show 0. Any ideas?

Hello, You can refer my corresponding sample web ...READ MORE

Jul 13, 2020 in Database by Niroj
 • 82,880 points • 808 views
0 votes
1 answer

How to set SSL to Domain name for MYSQL database

Hello @ Lakshminarayanan, Yes, It is possible to setup ...READ MORE

Jul 9, 2020 in Database by Niroj
 • 82,880 points • 1,035 views
0 votes
0 answers

'NoneType' object has no attribute 'name'

in the models.py: name = models.CharField(max_length=50, db_index=True) gender = ...READ MORE

Jun 18, 2020 in Database by prince
 • 120 points
edited Jun 18, 2020 by Gitika • 3,130 views
0 votes
1 answer

I need query based on Timestamp in sqlserver

Hello  vnk, To get some familiarity try creating and ...READ MORE

Jun 30, 2020 in Database by Niroj
 • 82,880 points • 1,814 views
0 votes
0 answers

Request for SQL Query

Hi team, How can I get a distinct ...READ MORE

Jun 8, 2020 in Database by vnk
 • 390 points • 497 views
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