Most viewed questions in Database

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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 • 1,454 views
0 votes
0 answers

Unable to connect to SQL Express "Error: 26-Error Locating Server/Instance Specified)

I am at a loss with one ...READ MORE

Aug 19, 2022 in Database by Kithuzzz
 • 38,000 points • 1,452 views
0 votes
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
 • 9,020 points • 1,451 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
 • 1,444 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
 • 7,070 points • 1,443 views
0 votes
1 answer

How to count distinct values in Excel

Use functions to count the number of ...READ MORE

Mar 15, 2022 in Database by gaurav
 • 23,260 points • 1,438 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 • 1,431 views
0 votes
1 answer

excel Copy shapes from one worksheet to another

This will copy all the shapes from Sheet1 to Sheet2: Sub ...READ MORE

Mar 31, 2022 in Database by gaurav
 • 23,260 points • 1,427 views
0 votes
1 answer

Excel - AVERAGEIFS with OR conditions?

The AVERAGEIFS function in Excel determines the ...READ MORE

Mar 31, 2022 in Database by gaurav
 • 23,260 points • 1,421 views
0 votes
0 answers

DB2 SQL error: SQLCODE: -206, SQLSTATE: 42703

I am getting this JDBC exception. I ...READ MORE

Sep 5, 2022 in Database by Kithuzzz
 • 38,000 points • 1,415 views
0 votes
1 answer

Default SQL Server Port

The default port of SQL server is 1433. READ MORE

Sep 13, 2022 in Database by narikkadan
 • 63,600 points • 1,412 views
0 votes
1 answer

Unable to compress excel file (XLSX or XLS) using java

Because the formats with a 'x' at ...READ MORE

Apr 11, 2022 in Database by gaurav
 • 23,260 points • 1,406 views
0 votes
0 answers

How to fetch the nth highest salary from a table without using TOP and sub-query?

I was recently requested to create a ...READ MORE

Aug 25, 2022 in Database by Kithuzzz
 • 38,000 points • 1,403 views
0 votes
1 answer

How can I define a composite primary key in SQL?

A primary key is unique and it ...READ MORE

Feb 21, 2022 in Database by Vaani
 • 7,070 points • 1,399 views
+1 vote
1 answer

What is the AND operator?

The AND operator is used to filter ...READ MORE

Dec 1, 2018 in Database by Sahiti
 • 6,370 points • 1,394 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
 • 1,393 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
 • 65,770 points • 1,391 views
0 votes
1 answer

How do I perform the SQL Join equivalent in MongoDB?

The majority of the responses to this ...READ MORE

Sep 15, 2022 in Database by narikkadan
 • 63,600 points • 1,377 views
0 votes
0 answers

How to update Identity Column in SQL Server?

With 200 records currently, I want to ...READ MORE

Aug 9, 2022 in Database by Kithuzzz
 • 38,000 points • 1,374 views
0 votes
0 answers

SQL Server: Invalid Column Name

I am in the process of changing ...READ MORE

Aug 19, 2022 in Database by Kithuzzz
 • 38,000 points • 1,371 views
0 votes
1 answer

How to refresh Excel file every second?

Data should be refreshed at regular intervals. Select ...READ MORE

Apr 4, 2022 in Database by Edureka
 • 13,690 points • 1,370 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 • 1,367 views
0 votes
1 answer

What are stored procedures?

The stored procedure is a collection of ...READ MORE

Aug 23, 2018 in Database by CodingByHeart77
 • 3,750 points • 1,367 views
0 votes
1 answer

How to refresh Excel file every second?

Data should be refreshed at regular intervals. Select ...READ MORE

Apr 5, 2022 in Database by gaurav
 • 23,260 points • 1,360 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
 • 9,020 points • 1,359 views
0 votes
0 answers

HAVING without GROUP BY

Does the following make sense in terms ...READ MORE

Aug 21, 2022 in Database by Kithuzzz
 • 38,000 points • 1,355 views
0 votes
0 answers

How do I view the Explain Plan in Oracle Sql developer?

I want to check the query execution ...READ MORE

Aug 19, 2022 in Database by Kithuzzz
 • 38,000 points • 1,355 views
0 votes
1 answer

Add Auto-Increment ID to existing table?

Try this ALTER TABLE `users` ADD `id` INT ...READ MORE

Sep 10, 2022 in Database by narikkadan
 • 63,600 points • 1,351 views
0 votes
0 answers

Insert multiple rows into single column

I am having problems adding numerous data ...READ MORE

Sep 4, 2022 in Database by Kithuzzz
 • 38,000 points • 1,349 views
0 votes
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
 • 7,070 points • 1,343 views
0 votes
1 answer

VBA Excel - Replace Enter key with Alt+ Enter

I created Button1 and assigned the Enter ...READ MORE

Apr 11, 2022 in Database by gaurav
 • 23,260 points • 1,337 views
0 votes
1 answer

Debugging tools: PIG

explain utility is helpful for Hadoop developers ...READ MORE

Sep 12, 2018 in Database by kurt_cobain
 • 9,350 points • 1,332 views
0 votes
1 answer

How do I obtain a Query Execution Plan in SQL Server?

There are several ways to get an ...READ MORE

Sep 20, 2022 in Database by narikkadan
 • 63,600 points • 1,327 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
 • 1,322 views
0 votes
0 answers

How to see the real SQL query in Python cursor.execute using pyodbc and MS-Access

I use the following code in Python ...READ MORE

Sep 4, 2022 in Database by Kithuzzz
 • 38,000 points • 1,321 views
0 votes
1 answer

LIMIT 10..20 in SQL Server

The LIMIT clause is not included in ...READ MORE

Sep 15, 2022 in Database by narikkadan
 • 63,600 points • 1,318 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
 • 82,840 points • 1,318 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
 • 82,840 points • 1,318 views
0 votes
0 answers

UPDATE and REPLACE part of a string

A table I have has two columns: ...READ MORE

Aug 28, 2022 in Database by Kithuzzz
 • 38,000 points • 1,316 views
0 votes
0 answers

SQL Server Cannot perform an aggregate function on an expression containing an aggregate or a subquery

Error: Cannot perform an aggregate function on an ...READ MORE

Aug 18, 2022 in Database by Kithuzzz
 • 38,000 points • 1,316 views
0 votes
0 answers

When to use "ON UPDATE CASCADE"

I frequently use ON DELETE CASCADE, but ...READ MORE

Aug 25, 2022 in Database by Kithuzzz
 • 38,000 points • 1,314 views
0 votes
1 answer

List the ways in which Dynamic SQL can be executed

Following are the ways in which dynamic ...READ MORE

Oct 26, 2018 in Database by DataKing99
 • 8,250 points • 1,314 views
0 votes
1 answer

What does the "@" symbol do in SQL?

The @CustID denotes a parameter for which ...READ MORE

Sep 10, 2022 in Database by narikkadan
 • 63,600 points • 1,308 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 • 1,307 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 • 1,294 views
0 votes
0 answers

How to SUM two fields within an SQL query

The sum of two fields that are ...READ MORE

Sep 5, 2022 in Database by Kithuzzz
 • 38,000 points • 1,285 views
0 votes
1 answer

What is MSLAB and LZO?

MSLAB stands for Memstore-Local Allocation Buffer. Lempel-Ziv-Oberhumer (LZO) ...READ MORE

Jul 10, 2018 in Database by Data_Nerd
 • 2,390 points • 1,284 views
0 votes
1 answer

Why do I need to configure the SQL dialect of a data source?

Dialect is defined as "a language's variety." ...READ MORE

Sep 18, 2022 in Database by narikkadan
 • 63,600 points • 1,276 views
0 votes
1 answer

Why is not preferable to use mysql_* functions in PHP?

The reasons are as follows: The MySQL extension: Does ...READ MORE

Sep 7, 2018 in Database by DataKing99
 • 8,250 points • 1,276 views
0 votes
1 answer

How to create an excel file in android?

In Android, create Excel XLSX or XLS ...READ MORE

Apr 4, 2022 in Database by Edureka
 • 13,690 points • 1,268 views
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