case when OTPTradeId is NULL Then 'No' Else 'Yes' End as 'TCM' from Trade left join TCM on TradeID = OTPTradeId where tradedate = '17 Jun 2013' Viewing 5 posts - 1 through 4 (of 4 total) You must be logged in to reply to this topic.Login to reply...
In this article, we will explore when and how to use the SQL PARTITION BY clause and compare it to using the GROUP BY clause. Understanding the Window function Database users use aggregate functions such as MAX(), MIN(), AVERAGE() and COUNT() for performing data analysis. These functions...
'WHEN MATCHED' cannot appear more than once in a 'UPDATE' clause of a MERGE statement. "EXECUTE AT" with Dynamic Linked Server Name "explicit value must be specified for identity column in table" error in SQL 2000 "FROM clause have the same exposed names. Use correlation names to distingui...
Learn how to use the SQL COALESCE() function to handle null values, combine columns, and clean up your data with real-world examples and tips.
written in PSEUDOSQL just to show the idea. In real life, you can create your table or use ...
How to use tables and column aliases... Featured Links PostgreSQL vs. SQL Server (MSSQL)... The Complete Oracle to PostgreSQL Migration... PostgreSQL vs. MySQL: A 360-degree Comparison... PostgreSQL Replication and Automatic Failover... ...
@sql = 'Select * from table where 'select case when 1=1 then @sql + ' date range between fromdate1 to todate1' else @sql + 'date range between fromdate2 to todate2' END Any suggestions would be appreciated. Why don't you avoid getting guesses and post DDL, sample data and ...
I am passing start month and end month e. between 4 to 12. But if I passed month 1 or 2, 3 then it getting problem. So how it is possible use case in the where clause following sql query. Other wise my sql squery is getting large because there have so many field which is I ...
COALESCE is one of the tools you have in SQL Server to work with NULL values. It may not be the first one you think of, but it can be a very good choice. In this tip I will provide examples of how you can use COALESCE to peacefully coexist with NULL values. ...
enable users to more easily write and maintain complex queries via increased readability and simplification. This reduction in complexity is achieved by deconstructing ordinarily complex queries into simple blocks to be used, and reused if necessary, in rewriting the query. Example use cases include: ...