What is Fmtonly?
What is Fmtonly?
When FMTONLY is ON , a rowset is returned with the column names, but without any data rows. SET FMTONLY ON has no effect when the Transact-SQL batch is parsed. The effect occurs during execution run time. The default value is OFF .
What is deprecated in SQL?
When a feature is marked deprecated, it means: The feature is in maintenance mode only. No new changes will be done, including those related to addressing inter-operability with new features. We strive not to remove a deprecated feature from future releases to make upgrades easier.
Is SQL mirroring deprecated?
Database mirroring is a cost-effective and easy to configure high availability solution. Unfortunately, this feature has been deprecated, but still, some organizations use database mirroring as a high availability solution. Database mirroring can be configured in SQL Server Standard edition.
What is the use of set Fmtonly off?
When SET FMTONLY is OFF (the default), SQL Server processes control-of-flow statements normally. In the case of an IF statement, SQL Server determines which conditional expression evaluates to true and then executes the code associated with that expression.
What is No_browsetable?
from KB. SET NO_BROWSETABLE ON is an undocumented option performed for Remote Data Service (RDS) ActiveX Data Connector (ADC) connections to SQL Server.
What is set Nocount on SQL Server?
SET NOCOUNT ON is a set statement which prevents the message which shows the number of rows affected by T-SQL query statements. This is used within stored procedures and triggers to avoid showing the affected rows message.
What is discontinued in SQL?
A discontinued feature is one level up from deprecation, in that it is no longer available. If we are using a discontinued feature when we upgrade to a new version of SQL Server, that feature is gone and our code will break.
How does SQL Server mirroring work?
Database mirroring maintains two copies of a single database that must reside on different server instances of SQL Server Database Engine. The other instance acts as a hot or warm standby server (the mirror server), depending on the configuration and state of the mirroring session.
What is SQL clause?
FOR BROWSE Specifies that updates be allowed while viewing the data in a DB-Library browse mode cursor. A table can be browsed in an application if the table includes a timestamp column, the table has a unique index, and the FOR BROWSE option is at the end of the SELECT statements sent to an instance of SQL Server.
Should I set Nocount on?
This is used within stored procedures and triggers to avoid showing the affected rows message. Using SET NOCOUNT ON within a stored procedure can improve the performance of the stored procedure by a significant margin. SET NOCOUNT ON: This prevents the message from showing which contains the number of affected rows.
What does it mean when something is deprecated?
Deprecated is increasingly used as a technical term meaning “to recommend against using something on the grounds that it is obsolete,” or “to declare some technological feature or function to be obsolescent.”
What does it mean when a feature is marked deprecated?
When a feature is marked deprecated, it means: The feature is in maintenance mode only. No new changes will be done, including those related to inter-operability with new features. We strive not to remove a deprecated feature from future releases to make upgrades easier.
When to remove a deprecated feature in SQL Server?
We strive not to remove a deprecated feature from future releases to make upgrades easier. However, under rare situations, we may choose to permanently discontinue (remove) the feature from SQL Server if it limits future innovations. For new development work, do not use deprecated features.
How is set fmtonly on used in SQL?
“SET FMTONLY ON” Returns only metadata to the client. It can be used to test the format of the response without actually running the query. Let’s check how it is being used and what it returns: