Most viewed questions in Database

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What is the purpose of using WHERE 1=1 in SQL statements?

Possible Duplicates: Why would a sql query have ...READ MORE

Aug 28, 2022 in Database by Kithuzzz
 • 38,010 points • 1,723 views
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1 answer

SQL Error: ORA-00922: missing or invalid option

The lack of an underscore between "chartered" ...READ MORE

Sep 15, 2022 in Database by narikkadan
 • 63,420 points • 1,722 views
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Comparing Dates in Oracle SQL

I'm attempting to get it to show ...READ MORE

Aug 9, 2022 in Database by Kithuzzz
 • 38,010 points • 1,721 views
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How do I limit the number of rows returned by an Oracle query after ordering?

Use a subquery for this like: select * from ...READ MORE

Sep 15, 2022 in Database by narikkadan
 • 63,420 points • 1,715 views
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java.sql.SQLException: Column count doesn't match value count at row 1

I think PreparedStatement would be a better choice. I ...READ MORE

Sep 20, 2022 in Database by narikkadan
 • 63,420 points • 1,702 views
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How do I do multiple CASE WHEN conditions using SQL Server 2008?

There are three formats of the case expression. ...READ MORE

Sep 20, 2022 in Database by narikkadan
 • 63,420 points • 1,691 views
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How to Execute SQL Server Stored Procedure in SQL Developer?

You don't need EXEC clause. Simply use: proc_name ...READ MORE

Sep 16, 2022 in Database by narikkadan
 • 63,420 points • 1,690 views
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1 answer

What is checkpoint in Database?

Checkpoint declares a point before which all ...READ MORE

Sep 4, 2018 in Database by Sahiti
 • 6,370 points • 1,690 views
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How to Return Multiple Values from CASE clause in Where Condition

I have a condition where utilizing the ...READ MORE

Aug 25, 2022 in Database by Kithuzzz
 • 38,010 points • 1,681 views
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Excel formula get value just greater than an other

We can use the Search function in ...READ MORE

Apr 5, 2022 in Database by gaurav
 • 23,260 points • 1,677 views
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1 answer

Accessing connection from different class in Java / MySQL?

You should just instantiate DoComms with every ...READ MORE

Nov 14, 2018 in Database by nirvana
 • 3,130 points • 1,670 views
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java.sql.SQLIntegrityConstraintViolationException

When I use the save insert/update command, ...READ MORE

Aug 12, 2022 in Database by Kithuzzz
 • 38,010 points • 1,668 views
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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 • 1,667 views
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SQLSTATE[HY093]: Invalid parameter number: number of bound variables does not match number of tokens on line 102

I'm getting the SQLSTATE[HY093] error: Line 102 ...READ MORE

Aug 29, 2022 in Database by Kithuzzz
 • 38,010 points • 1,662 views
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Convert Month Number to Month Name Function in SQL

I have the months 1, 2, 3, ...READ MORE

Sep 4, 2022 in Database by Kithuzzz
 • 38,010 points • 1,661 views
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1 answer

Install DB2 on Ubuntu

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

Mar 20, 2019 in Database by Kanika
 • 1,658 views
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The java.sql.SQLException: Fail to convert to internal representation

I want to do this query: String query ...READ MORE

Aug 20, 2022 in Database by Kithuzzz
 • 38,010 points • 1,648 views
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1 answer

What is the Oracle PL/SQL "--+rule"?

The answer is in the material you ...READ MORE

Feb 23, 2022 in Database by Neha
 • 9,060 points • 1,647 views
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Getting java.sql.SQLException: Operation not allowed after ResultSet closed

The following code throws an exception when ...READ MORE

Aug 22, 2022 in Database by Kithuzzz
 • 38,010 points • 1,635 views
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Dynamic Drop Down lists using ajax, sql and php

I have a code that is effective. ...READ MORE

Sep 3, 2022 in Database by Kithuzzz
 • 38,010 points • 1,632 views
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1 answer

How can I import an Excel file into SQL Server?

You can use OPENROWSET to import an Excel file ...READ MORE

Sep 15, 2022 in Database by narikkadan
 • 63,420 points • 1,622 views
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1 answer

How to cache data in a MVC application?

Reference the System.Web dll in your model ...READ MORE

Oct 25, 2018 in Database by Frankie
 • 9,830 points • 1,609 views
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1 answer

Easy way to export multiple data.frame to multiple Excel worksheets

To export numerous data frames from R ...READ MORE

Mar 25, 2022 in Database by gaurav
 • 23,260 points • 1,608 views
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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 • 1,599 views
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1 answer

Table design approach Hbase

Tall-Narrow and Flat-Wide are the two HBase ...READ MORE

Jul 10, 2018 in Database by Data_Nerd
 • 2,390 points • 1,596 views
0 votes
1 answer

Excel - Create item list from table values

What is Data Validation, and how does ...READ MORE

Apr 11, 2022 in Database by gaurav
 • 23,260 points • 1,587 views
0 votes
1 answer

[Excel][VBA] How to draw a line in a graph?

Sub MakeChart() Dim x(20) ...READ MORE

Mar 24, 2022 in Database by gaurav
 • 23,260 points • 1,584 views
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1 answer

Which one is suitable for real time big database- Primary Key or Unique Index?

What is a unique index? A unique index ...READ MORE

Oct 12, 2018 in Database by Frankie
 • 9,830 points • 1,582 views
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1 answer

EXCEL: How to automatically add serial number in Excel Table using formula that is immune to filtering / sorting?

That's a great question, and it's a ...READ MORE

Mar 24, 2022 in Database by gaurav
 • 23,260 points • 1,579 views
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1 answer

Difference between clustered and non clustered index in SQL

The differences between the clustered and non ...READ MORE

Sep 28, 2018 in Database by Sahiti
 • 6,370 points • 1,571 views
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1 answer

Delete row in HBase

In Hbase, whatever you write will be ...READ MORE

Jul 24, 2018 in Database by kurt_cobain
 • 9,390 points • 1,571 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 • 1,570 views
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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
 • 1,564 views
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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
 • 1,549 views
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1 answer

Python Stress Test

Cassandra comes with a popular utility called ...READ MORE

Jun 29, 2018 in Database by Data_Nerd
 • 2,390 points • 1,530 views
0 votes
1 answer

EXCEL: How to automatically add serial number in Excel Table using formula that is immune to filtering / sorting?

These techniques can add a running column ...READ MORE

Mar 24, 2022 in Database by gaurav
 • 23,260 points • 1,527 views
0 votes
1 answer

What is subquery in SQL?

A subquery is a query inside another ...READ MORE

Oct 12, 2018 in Database by DataKing99
 • 8,240 points • 1,523 views
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1 answer

Excel indirect reference produces a #ref error

The formula =SUM(B2,C2,D2) is used in column ...READ MORE

Apr 11, 2022 in Database by gaurav
 • 23,260 points • 1,511 views
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1 answer

ACID property in a database

ACID stands for Atomicity, Consistency, Isolation, Durability. It ...READ MORE

Oct 8, 2018 in Database by Sahiti
 • 6,370 points • 1,510 views
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SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified

I've been attempting to solve a significant ...READ MORE

Aug 22, 2022 in Database by Kithuzzz
 • 38,010 points • 1,505 views
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Different types of a subquery

There are two types of subquery namely, ...READ MORE

Oct 18, 2018 in Database by DataKing99
 • 8,240 points • 1,502 views
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1 answer

How can we perform common set operations (union, intersection, minus) in MS Excel?

The MATCH function can be used as ...READ MORE

Mar 31, 2022 in Database by gaurav
 • 23,260 points • 1,486 views
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Select Rows with id having even number

I'm passing a straightforward query that looks ...READ MORE

Aug 21, 2022 in Database by Kithuzzz
 • 38,010 points • 1,465 views
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If Cell Starts with Text String... Formula

I have formula that checks if the ...READ MORE

Feb 24, 2022 in Database by Edureka
 • 13,670 points • 1,461 views
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Get the last inserted row ID (with SQL statement)

When you add a new record to ...READ MORE

Aug 20, 2022 in Database by Kithuzzz
 • 38,010 points • 1,450 views
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Loop in stored procedure in SQL server

Writing a stored procedure that calls another ...READ MORE

Aug 28, 2022 in Database by Kithuzzz
 • 38,010 points • 1,424 views
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0 answers

Why did a network-related or instance-specific error occur while establishing a connection to SQL Server?

I'm incredibly annoyed. Everything is wonderful with ...READ MORE

Sep 5, 2022 in Database by narikkadan
 • 63,420 points • 1,412 views
0 votes
1 answer

STUFF and REPLACE function in SQL

STUFF Function: This function is used to ...READ MORE

Sep 28, 2018 in Database by DataKing99
 • 8,240 points • 1,412 views
0 votes
1 answer

Types of tables in MySQL

MyISAM is the default table that is ...READ MORE

Aug 21, 2018 in Database by CodingByHeart77
 • 3,740 points • 1,404 views
0 votes
1 answer

Excel feet and inches to millimeters

There are certain direct formulas to convert ...READ MORE

Feb 23, 2022 in Database by gaurav
 • 23,260 points • 1,402 views
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