The Cardinality Estimation product for REGEXP_LIKE gives default selectivity values. Use this hint In case the default estimation is too significant. It sets the selectivity to a set lessen selectivity price.
Query hints can't be laid out in an INSERT assertion, other than each time a Decide on clause is utilised Within the statement.
may be of any SQL Server program knowledge form that can be expressed like a literal frequent. The info variety of literal_constant
Blocks question execution. Meant to be used as a question Shop hint to Permit directors block upcoming execution of known problematic queries, for instance non-crucial queries impacting application workloads. To find out more, see Block potential execution of problematic queries.
TTD doesn't set a optimum dimensions of trace information to allow for complicated prolonged jogging eventualities. Immediately re-building The difficulty, will keep the trace file size as small as you possibly can.
Employing this selection displays the main .NET procedure that communicates back for the Device, which suggests When your command launches many .
Forces the Question Optimizer to not recompile a query on account of alterations in stats. Specifying KEEPFIXED Prepare can make confident that a query recompiles only if the schema of the fundamental tables variations, or if sp_recompile operates from People tables.
The .NET Main runtime generates traces during the nettrace format. The traces are transformed to speedscope (if specified) following the trace is accomplished. Considering that some conversions may possibly cause loss of knowledge, the first nettrace file is preserved close to the converted file.
The company writes the event if any on the party's key phrase bits match any on the bits set In this particular mask. Tracelog passes the value n
The information remains becoming processed mainly because there was a former failure as well as support is reattempting supply.
The index file is mechanically produced by WinDbg any time you open a trace for The very first time. It great post incorporates details that assists the debugger to replay the trace and query details about memory additional efficiently.
Lists pre-built tracing profiles with a description of what suppliers and filters are in each profile.
The tracelog -take away command is not really required. Nonetheless, if you do not established the worth of the beginning entry to 0, a world Logger session starts off every time you reboot the method.
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