A SQL Server cursor is a set of T-SQL logic that loops over a predetermined number of rows one at a time. The purpose of the cursor may be to update one row at a time or perform an administrative process, such as SQL Server database backups, in a sequential manner. Development, DBA...
In SQL Server, a cursor is a database object that allows you to retrieve and manipulate rows from a result set one at a time. Cursors are useful when you need to perform operations on each row of a result set rather than on the set as a whole. There are several types of cursors in...
Using PATH might provide a simpler alternative to queries written using the EXPLICIT directive. For more information, see Use PATH Mode with FOR XML. BINARY BASE64 Specifies that the query returns the binary data in binary base64-encoded format. When you retrieve binary data by using RAW and ...
Zusammenfassend lässt sich sagen, dass SQL Server Profiler zwar ein älteres Tool ist, das vielen Benutzern bekannt sein dürfte, „erweiterte Ereignisse“ jedoch eine moderne Alternative darstellt, die eine bessere Leistung, detailliertere Ereignisinformationen und Funktionen zur Problembehandlung...
{"__typename":"TagEdge","cursor":"MHwxOTl8MnwxMDsxMHx8cGM6MToxLHQ6MDoy","node":{"__typename":"Tag","id":"tag:199","text":"sql server","lastActivityTime":"2025-05-26T10:39:00.000-07:00","messagesCount":55,"followersCount":2}},{"__typename":"TagEdge","cursor":"MHwzNT...
An alternative name used to reference the column name. DELETED A column prefix that specifies the value deleted by the update or delete operation, and any existing values that don't change with the current operation. Columns prefixed with DELETED reflect the value before the UPDATE, DELETE, or...
在SQL Server的上下文中,优化指充分利用数据库引擎最小化查询响应时间、资源使用和硬件压力。优化的最大挑战之一是知道在哪里投入精力。应该将可以在最大范围内作出最大改进的区域作为努力的目标。除了设计问题以外,最有可能改进的地方是应用程序使用的过程和查询。遗憾的是,许多数据库提供了非常少的索引,并且没有考虑...
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 atimestampcolumn, 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. ...
Det här alternativet är inte tillgängligt i en innesluten databas. STRÖM gäller för: SQL Server 2012 (11.x) och senare. Anger att den aktuella databasen som används ska ändras. ÄNDRA NAMN = new_database_name ...
An error written to the SQL Server error log. A lock acquired or released on a database object. An opened cursor. Security permission checks. The trace displays all of the data generated by an event in a single row. This row is intersected by data columns that describe the event in det...