Format query results as JSON, or export data from SQL Server as JSON, by adding the FOR JSON clause to a SELECT statement.
https://docs.microsoft.com/ZH-CN/sql/t-sql/functions/format-transact-sql?view=sql-server-2017 https://docs.microsoft.com/zh-cn/dotnet/standard/base-types/formatting-types https://www.mssqltips.com/sqlservertip/1145/date-and-time-conversions-using-sql-server/ https://www.mssqltips.com/sqls...
1: 如果在@query里面排除这三个NVARCHAR(MAX)字段,那么邮件正常发送,不会出现任何错误。 2: 如果在@query里面将这个字段做一下转换,例如CAST(MAIL_RECEIPS AS NVARCHAR(4000)),那么邮件也能正常发送。 在SQL Server 2008、 SQL Server 2012下都不会发生,另外在SQL Server 2005(9.00.5000.00)这个版本下测试,也...
Format query results as JSON, or export data from SQL Server as JSON, by adding the FOR JSON clause to a SELECT statement.
Error formatting query, probably invalid paramters [SQLSTATE 42000] (Error 22050). The step failed. When we go into SQL Server Manager and just execute the SQL query, it works though. Something within the SQL Server Agent job, and Database Mail is causing problems. Any ideas? Thanks. All...
[转]SQL Server 高性能写入的一些总结 本文转自:http://www.cnblogs.com/rush/archive/2012/08/31/2666090.html 1.1.1 摘要 在开发过程中,我们不时会遇到系统性能瓶颈问题,而引起这一问题原因可以很多,有可能是代码不够高效、有可能是硬件或网络问题,也有可能是数据库设计的问题。
SQL Server. The query editors also implement varying levels of support for editor features such as IntelliSense and debugging. The query editors include the Database Engine Query Editor for use in building scripts containing T-SQL and XQuery statements, the MDX editor for the MDX language, ...
This article explains the query editor's features and functions in SQL Server Management Studio (SSMS). Note If you want to learn how to use Transact-SQL (T-SQL) F1 Help, please view the Transact-SQL F1 Help section. If you want to learn about tasks that you can do with the editor,...
1: 如果在@query里面排除这三个NVARCHAR(MAX)字段,那么邮件正常发送,不会出现任何错误。 2: 如果在@query里面将这个字段做一下转换,例如CAST(MAIL_RECEIPS AS NVARCHAR(4000)),那么邮件也能正常发送。 在SQL Server 2008、 SQL Server 2012下都不会发生,另外在SQL Server 2005(9.00.5000.00)这个版本下测试,也...
EXECUTE ( 'SELECT @@SERVERNAME' ) AT DATA_SOURCE my_sql_server; GO P. Use EXECUTE with AT DATA_SOURCE data_source_name to query compute pool in SQL Server Big Data ClusterApplies to: SQL Server 2019 (15.x).The following example passes a command string to an external data source point...