当使用Query.yield_per()创建服务器端游标时,这将导致通常与服务器端游标不同步相关的 MySQL 问题,并且由于无法直接访问Result对象,最终用户代码无法访问游标以关闭它。 为了解决这个问题,在迭代器方法中应用了对GeneratorExit的捕获,当迭代器被中断时,将关闭结果对象,并且根据定义将被 Python 解释器关闭。 作为 1.4 系...
=blocked.session_id--avoid infinite recursion for latch type of blockingWHEREh.wait_typeCOLLATELatin1_General_BINNOTIN('EXCHANGE','CXPACKET')orh.wait_typeisnull)SELECTbh.*, txt.textASblocker_query_or_most_recent_queryFROMcteBlockingHierarchyASbhOUTERAPPLYsys.dm_exec_sql_text (ISNULL([sql_handle...
=blocked.session_id--avoid infinite recursion for latch type of blockingWHEREh.wait_typeCOLLATELatin1_General_BINNOTIN('EXCHANGE','CXPACKET')orh.wait_typeisnull)SELECTbh.*, txt.textASblocker_query_or_most_recent_queryFROMcteBlockingHierarchyASbhOUTERAPPLYsys.dm_exec_sql_text (ISNULL([sql_handle...
By using the GetDescendant method, it is always possible to generate a sibling to the right of any given node, to the left of any given node, or between any two siblings. The comparison property is maintained when an arbitrary number of nodes is inserted or deleted from the hierarchy. Mos...
Use the hierarchyid functions in Transact-SQL to query and manage hierarchical data. Key properties A value of the hierarchyid data type represents a position in a tree hierarchy. Values for hierarchyid have the following properties: Extremely compact The average number of bits that are required to...
Définit une condition globale de type de requête SQL dans Configuration Manager.SyntaxePowerShell Copier Set-CMGlobalConditionSqlQuery [-Column <String>] [-Database <String>] [-FilePath <String>] [-InstanceName <String>] [-UseAllInstances] [-UseDefaultInstance] -Name <String> [-PassThru...
Basic CTE query, get full path of something recursive BCP Error - Copy direction must be either 'in', 'out' or 'format'. BCP Export to csv using UTF-8 or UTF-16 BCP Issue when using a format file and excluding columns. BCP Numeric value out of range BCP or BULK INSERT? why? bcp...
SQL Query: SELECT salary, 1000, 30000, 10000, 18000 FROM employees WHERE employee_id < :EMPLOYEE_ID; Property: Gauge Type: Status Meter (or Dial if you prefer semicircular dials, each with a label containing the salary amount and a "needle" pointing to an appropriate place on the dial)...
SQL Query: SELECT salary, 1000, 30000, 10000, 18000 FROM employees WHERE employee_id < :EMPLOYEE_ID; Property: Gauge Type: Status Meter (or Dial if you prefer semicircular dials, each with a label containing the salary amount and a "needle" pointing to an appropriate place on the dial)...
To get started on your first report, see Create a basic table report (SSRS tutorial). To find out more about query designers that you can use in Report Designer, see Query design tools (SSRS). To see how to use Report Designer views, menus, toolbars, and shortcuts, see Reporting Serv...