Most voted questions in Database

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Best way to do nested case statement logic in SQL Server

Try some sort of COALESCE trick: SELECT COALESCE( ...READ MORE

Sep 19, 2022 in Database by narikkadan
 • 86,360 points • 8,290 views
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How can I set an SQL Server connection string?

.NET DataProvider -- Standard Connection with username ...READ MORE

Sep 19, 2022 in Database by narikkadan
 • 86,360 points • 972 views
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What does SELECT COUNT(1) from table_name on any database table mean

An expression to be tested for each ...READ MORE

Sep 19, 2022 in Database by narikkadan
 • 86,360 points • 1,065 views
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How to find third or nᵗʰ maximum salary from salary table?

Use ROW_NUMBER(if you want a single) or DENSE_RANK(for all ...READ MORE

Sep 19, 2022 in Database by narikkadan
 • 86,360 points • 1,481 views
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How to check SQL Server version

Connect to the instance of SQL Server, ...READ MORE

Sep 19, 2022 in Database by narikkadan
 • 86,360 points • 1,299 views
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Is there a combination of "LIKE" and "IN" in SQL?

There is no LIKE & IN combination ...READ MORE

Sep 18, 2022 in Database by narikkadan
 • 86,360 points • 5,323 views
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How to format datetime in SQL SERVER

In SQL Server 2012 and up you ...READ MORE

Sep 18, 2022 in Database by narikkadan
 • 86,360 points • 1,368 views
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How to upsert (update or insert) in SQL Server 2005

Try to check for existence: IF NOT EXISTS ...READ MORE

Sep 18, 2022 in Database by narikkadan
 • 86,360 points • 985 views
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How to find top three highest salary in emp table in oracle?

Use this: SELECT *FROM ...READ MORE

Sep 18, 2022 in Database by narikkadan
 • 86,360 points • 10,850 views
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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
 • 86,360 points • 1,710 views
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SQL like search string starts with

SELECT * from games WHERE (lower(title) LIKE ...READ MORE

Sep 18, 2022 in Database by narikkadan
 • 86,360 points • 4,495 views
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Not equal <> != operator on NULL

Standard SQL-92 is represented by >; its ...READ MORE

Sep 18, 2022 in Database by narikkadan
 • 86,360 points • 1,182 views
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Multiple SQL Joins error in W3Schools Tryit Editor

I'm ruining this query on w3school even ...READ MORE

Sep 18, 2022 in Database by narikkadan
 • 86,360 points • 2,646 views
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Oracle PL/SQL - ORA-01403 "No data found" when using "SELECT INTO"

Just populate the field directly, using ordering ...READ MORE

Sep 18, 2022 in Database by narikkadan
 • 86,360 points • 7,196 views
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SQL Server: Multiple table joins with a WHERE clause

It matters whether you place the filter ...READ MORE

Sep 18, 2022 in Database by narikkadan
 • 86,360 points • 1,338 views
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SQL Server: Extract Table Meta-Data (description, fields and their data types)

Unfortunately, you have to utilize sysobjects/syscolumns to ...READ MORE

Sep 17, 2022 in Database by narikkadan
 • 86,360 points • 1,156 views
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1 answer

org.hibernate.exception.SQLGrammarException: could not extract ResultSet

In the stacktrace, there is a line ...READ MORE

Sep 17, 2022 in Database by narikkadan
 • 86,360 points • 7,017 views
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1 answer

How to print SQL statement in codeigniter model

To display the query string: print_r($this->db->last_query()); ...READ MORE

Sep 17, 2022 in Database by narikkadan
 • 86,360 points • 5,642 views
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1 answer

SQL - Update multiple records in one query

Try either multi-table update syntax: UPDATE config t1 ...READ MORE

Sep 17, 2022 in Database by narikkadan
 • 86,360 points • 4,616 views
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1 answer

Finding duplicate values in a SQL table

SELECT name, email, COUNT(*) FROM ...READ MORE

Sep 17, 2022 in Database by narikkadan
 • 86,360 points • 1,252 views
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1 answer

What is the equivalent of 'describe table' in SQL Server?

Use the sp_columns stored procedure: exec sp_columns MyTable I hope this ...READ MORE

Sep 17, 2022 in Database by narikkadan
 • 86,360 points • 1,592 views
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How to get comma-separated values in multiple rows in SQL?

Test Data DECLARE @Table1 TABLE(ID INT, Value INT) INSERT ...READ MORE

Sep 17, 2022 in Database by narikkadan
 • 86,360 points • 54,959 views
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1 answer

Getting only Month and Year from SQL DATE

In addition to the advice already given, ...READ MORE

Sep 17, 2022 in Database by narikkadan
 • 86,360 points • 2,531 views
0 votes
1 answer

How to delete multiple rows in SQL where id = (x to y)

If you need to delete based on ...READ MORE

Sep 17, 2022 in Database by narikkadan
 • 86,360 points • 6,545 views
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1 answer

CASE .. WHEN expression in Oracle SQL

Use an IN clause. Example: SELECT status, CASE ...READ MORE

Sep 17, 2022 in Database by narikkadan
 • 86,360 points • 939 views
0 votes
1 answer

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
 • 86,360 points • 2,602 views
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1 answer

SQL Server string to date conversion

Try this Cast('7/7/2011' as datetime) And Convert(DATETIME, '7/7/2011', 101) See CAST and ...READ MORE

Sep 16, 2022 in Database by narikkadan
 • 86,360 points • 2,825 views
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1 answer

SQL SELECT from multiple tables

Try this: SELECT p.pid, p.cid, p.pname, c1.name1, c2.name2 FROM ...READ MORE

Sep 16, 2022 in Database by narikkadan
 • 86,360 points • 871 views
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1 answer

SQL JOIN - WHERE clause vs. ON clause

They are not the same thing. Consider these ...READ MORE

Sep 16, 2022 in Database by narikkadan
 • 86,360 points • 1,765 views
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1 answer

How to add a Try/Catch to SQL Stored Procedure

See TRY...CATCH (Transact-SQL) CREATE PROCEDURE [dbo].[PL_GEN_PROVN_NO1] ...READ MORE

Sep 16, 2022 in Database by narikkadan
 • 86,360 points • 1,595 views
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1 answer

Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures?

First off, if you're starting a new ...READ MORE

Sep 16, 2022 in Database by narikkadan
 • 86,360 points • 6,322 views
0 votes
1 answer

SQL query - Dept and Employee table, some departments may not have managers

Yes, even though I like using JOINs, ...READ MORE

Sep 16, 2022 in Database by narikkadan
 • 86,360 points • 24,309 views
0 votes
1 answer

Storing images in SQL Server?

Following extensive performance testing and analysis, the ...READ MORE

Sep 16, 2022 in Database by narikkadan
 • 86,360 points • 1,577 views
0 votes
1 answer

What does "DISTINCT ON (expression)" do?

The snippet from the Official documentation for PostgreSQL is ...READ MORE

Sep 16, 2022 in Database by narikkadan
 • 86,360 points • 1,179 views
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1 answer

Unpivot with column name

Your inquiry is quite near. The following ...READ MORE

Sep 16, 2022 in Database by narikkadan
 • 86,360 points • 1,112 views
0 votes
1 answer

SQL Inner-join with 3 tables?

Try this: SELECT s.studentname , ...READ MORE

Sep 15, 2022 in Database by narikkadan
 • 86,360 points • 1,607 views
0 votes
1 answer

SQL Server Error : String or binary data would be truncated

You're trying to write more data than ...READ MORE

Sep 15, 2022 in Database by narikkadan
 • 86,360 points • 6,587 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
 • 86,360 points • 1,954 views
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1 answer

LIMIT 10..20 in SQL Server

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

Sep 15, 2022 in Database by narikkadan
 • 86,360 points • 1,729 views
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1 answer

How to extract only the year from the date in sql server 2008?

To obtain the year from the given ...READ MORE

Sep 15, 2022 in Database by narikkadan
 • 86,360 points • 1,483 views
0 votes
1 answer

Is there a Boolean data type in Microsoft SQL Server like there is in MySQL?

The BIT datatype can be used to ...READ MORE

Sep 15, 2022 in Database by narikkadan
 • 86,360 points • 3,442 views
0 votes
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
 • 86,360 points • 2,473 views
0 votes
1 answer

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
 • 86,360 points • 2,676 views
0 votes
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
 • 86,360 points • 3,145 views
0 votes
1 answer

Create enum in SQL Server

Just normalize your model properly: create table user_rank ( ...READ MORE

Sep 15, 2022 in Database by narikkadan
 • 86,360 points • 19,902 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
 • 86,360 points • 1,917 views
0 votes
1 answer

What is the use of a cursor in SQL Server?

Instead of receiving a result set as ...READ MORE

Sep 13, 2022 in Database by narikkadan
 • 86,360 points • 1,211 views
0 votes
1 answer

SQL Error: ORA-01861: literal does not match format string 01861

Try replacing the string literal for date ...READ MORE

Sep 13, 2022 in Database by narikkadan
 • 86,360 points • 16,354 views
0 votes
1 answer

ERROR: SQLSTATE[HY000] [2002] No connection could be made because the target machine actively refused it

One of the services has not begun ...READ MORE

Sep 13, 2022 in Database by narikkadan
 • 86,360 points • 14,673 views
0 votes
1 answer

Fatal error: Call to undefined function sqlsrv_connect()

This helped me get to my answer. There ...READ MORE

Sep 13, 2022 in Database by narikkadan
 • 86,360 points • 3,997 views
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