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Error 1046 No database Selected, how to resolve?
Error
SQL query:
16 Answers
16
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Execute Insert command and return inserted Id in Sql
I am inserting some values into a SQL table using C# in MVC 4. Actually, I want to insert values and return the 'ID' of last inserted record. I use the following code.
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Oracle SQL Developer multiple table views
In Oracle SQL Developer , one can list the data in a table using the Data tab when viewing a table. there where can add, delete, edit or just viewing records of table currently viewd
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SQL - Rounding off to 2 decimal places
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@Ram The question didn't specify the sql server engine - which is why i highlighted the round v cast on its own. The convert to numeric doesn't do rounding in all engines so if the calculated number was 10.809 you would get 10.80 rather than the 10.81 the questi...
How do I return rows with a specific value first?
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On SQL Server, Oracle, DB2, and many other database systems, this is what you can use:
ORDER BY CASE WHEN city = 'New York' THEN 1 ELSE 2 END, city
sh...
PostgreSQL: How to pass parameters from command line?
...ses ? placeholders. I wanted to test this same query directly from the psql command line (outside the script). I want to avoid going in and replacing all the ? with actual values, instead I'd like to pass the arguments after the query.
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How to get min/max of two integers in Postgres/SQL?
How do I find the maximum (or minimum) of two integers in Postgres/SQL? One of the integers is not a column value.
2 Answer...
大数据能否拯救中国足球？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...冰在产品化方面已经完成破冰，目前在toB端和toC端拥有了包括‘职业大师’、‘媒体大师’、‘实时球市APP’、‘创冰DATA’PC端网页和实时数据游戏在内的五大产品线。在中国足球快速发展的大时代下，...
Change Oracle port from port 8080
...nvironmental variables are set correctly start with the following:
C:\>sqlplus /nolog
SQL*Plus: Release 10.2.0.1.0 - Production on Tue Aug 26 10:40:44 2008
Copyright (c) 1982, 2005, Oracle. All rights reserved.
SQL> connect
Enter user-name: system
Enter password: <enter password if will ...
The specified type member 'Date' is not supported in LINQ to Entities Exception
...not translate most .NET Date methods (including the casting you used) into SQL since there is no equivalent SQL.
The solution is to use the Date methods outside the LINQ statement and then pass in a value. It looks as if Convert.ToDateTime(rule.data).Date is causing the error.
Calling Date on a Da...