检测stored procedures and triggers中的transaction范围,推荐transaction的开始和结束在同一T-SQL结构内。 一般而言,尽量缩小transaction的范围,避免占用大量的资源,影响SQL Server性能。 Rule: SELECT * 检测stored procedures, functions, views and triggers中SELECT *的使用。尽管SELECT *比较方便,但是会降低程序的可维...
3) Checks whether any of the identified DML targets have AFTER triggers defined on them. 4) Reports non-compliance for any such case. Rule: NOCOUNT Option in Triggers 检测triggers,确保在triggers前面写有SET NOCOUNT ON。 SQL Server在每一条语句执行完成后,都会发送’done’信息。这些信息会导致触...
target, and budget. For instance, if the goal is to audit Login and Logout actions only, one can refer to the SQL Server error logs or opt for methods like Extended Events or SQL Triggers. However, if the requirement is to audit DML changes, options like Change Data Capture, ...
Trace flag 7745 prevents the default behavior where Query Store writes data to disk before SQL Server can be shut down. This means that Query Store data that has been collected but not yet persisted to disk will be lost, up to the time window defined with DATA_FLUSH_INTERVAL_SECONDS. ...
While all demos in this article are in SQL Server, the advice presented here is universal across database platforms. The challenges posed by triggers are also seen in MySQL, PostgreSQL, MongoDB, and many others. What are triggers? SQL Server triggers can be defined on the...
physical implementation of design in a SQL Server database. Grounded in best practices and a solid understanding of the underlying theory, author Louis Davidson shows you how to "getit right" in SQL Server database design and lay a solid groundwork for the future use of valuable business data...
Rule: NOCOUNT Option in Triggers 检测triggers,确保在triggers前面写有SET NOCOUNT ON。 SQL Server在每一条语句执行完成后,都会发送’done’信息。这些信息会导致触发trigger的应用程序可能产生一些意外的后果。因此,在trigger前面加上SET NOCOUNT ON是一个良好的设计习惯。
FIRE_TRIGGERS Applies to: SQL Server 2008 (10.0.x) and later.Specifies that any insert triggers defined on the destination table execute during the binary data stream upload operation. For more information, see BULK INSERT (Transact-SQL)....
A script contains the Transact-SQL system stored procedures necessary to implement the replication component(s) scripted, such as a publication or subscription. Scripts can be created in a wizard (such as the New Publication Wizard) or in Microsoft SQL Server Management Studio after you create a...
For example, if you plan to audit the Login and Logout actions only, you can read the SQL Server error logs or simply use theExtended Events or SQL Triggersmethods On the other hand, if you are asked to audit the DML changes, you can take advantages from theChange Data Capture, Change...