isnull
ISNULL behaviour in sql server
As per my understanding IsNull Function checks the first value if its null or blank then it returns the next value.[详细]
2023-04-05 18:43 分类：问答Using ISNULL vs using COALESCE for checking a specific condition?
I know that multiple parameters can be passed to COALESCE, butwhen you want to to check just one expression to see if it does开发者_StackOverflow社区n\'t exist, do you use a default or is it a better[详细]
2023-04-04 11:41 分类：问答Why IsNull is twice slow as coalesce (same query)?
We met a strange situation on SQL Server 2008 (SP1) - 10.0.2531.0 (X64) - Win2008 SP2 (X64). Here is a one heavy query:[详细]
2023-03-08 15:53 分类：问答Advantage Database Server (ADS) CIChar data type ISNULL
Unfortunately we are using the Advantage Database Server Torture Edition Versio开发者_Go百科n 8.1.[详细]
2023-03-05 11:45 分类：问答SQL Server NULL value with inner join
I am using C# and SQL Server. Take a look at the following SQL: SELECT table1.id, table1.description, table2.name, table2.surname[详细]
2023-03-01 07:38 分类：问答Linq to Sql IsNull replacing NULL FK with existing FK
I need to transform an sql query to a Linq to SQL query, and i could\'nt get the result what i expect:[详细]
2023-02-26 04:28 分类：问答Entity Framework Defining Query + IsNull + Left Join = Way Too Slow
I have this SQL statement select st.Column1, isnull(sot.SomeColumn, 0) as SomeColumn from SomeTable st[详细]
2023-02-25 21:01 分类：问答SQL DB2 null calculation causing problems
I have the following SQL: Select dmvndn \"Vendor Number\", IFNULL(sum(dmsls) / sum(dmprc), 0) \"Calculation\"[详细]
2023-02-25 14:34 分类：问答AVG and ISNULL in mysql
I need to achieve some thing like this SELECT ISNULL(AVG(rating),0) FROM videorating vr WHERE vr.VideoId=11229;[详细]
2023-02-14 08:14 分类：问答IsNull inside Sum statement in Linq to Sql
I\'m trying to change some SQL into Linq-to-Sql, however I have the following line in SQL that I\'m not sure how to convert:[详细]
2023-01-26 17:54 分类：问答
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