-no_prompt = do not prompt for user input -o <outfile>; = name of output file -r <requester>; = id of explain requester -s <schema>; = Schema or qualifier of source of Explain request (SOURCE_SCHEMA) -t = terminal output desired -u <user>; <pw>; = user ID and password for ...
-no_prompt = do not prompt for user input -o <outfile>; = name of output file -r <requester>; = id of explain requester -s <schema>; = Schema or qualifier of source of Explain request (SOURCE_SCHEMA) -t = terminal output desired -u <user>; <pw>; = user ID and password for ...
EXPLAIN_FORMAT过程根据指定的参数对EXPLAIN表的内容进行格式化,并更新 EXPLAIN_STATEMENT 表中 EXPLAIN_FORMAT_TEXT 列下的格式化数据。 该过程还将 SQL 语句作为 OUTPUT 参数返回,该参数可用于从 EXPLAIN_STATEMENT 表中访存格式化数据。 有关EXPLAIN表的更多信息,请参阅Db2®文档中的EXPLAIN_STATEMENT 表。 在更新EX...
首先使用db2exfmt工具分析包含在SQLTP1ST中的一条在ACCT上的简单SELECT语句。然后使用它来查看一条需要扫描整个表格并进行排序的SELECT操作的解释信息。然后使用控制中心图形界面下的可视化Explain工具来查看相同操作的信息。最后使用命令编辑器中的可视化解释工具来查看给定查询的解释信息。第一部分:使用db2exfmt格式化静态...
IO.IOException' occurred in mscorlib.dll. Additional information: The process cannot access the file because it is being used by another process. Angle between two lines Anti debugging code in C# any equivalent in c# for bytearray outputstream/inputstream and data outputstream/inputstream? App ...
For main,http://crasseux.com/books/ctutorial/argc-and-argv.html The use of stringstream is to have something equivalent to writing to an input/output buffer (cin or cout) or a filestream, but do it in memory. For details about the functions of stringstream seehttp://www.cplusplus.com/...
Setting the environment variable `TORCH_NCCL_AVOID_RECORD_STREAMS=1` uses a simple alternative approach. The process group stashes references to the collective tensors until the user calls `wait()` on the collective. This should be intuitive: the collective input/output tensors cannot be freed ...
header— Prints header for each output port. Default: 0. graph— Prints a graph described in the DOT graph description language. Default: 0. compact— Prints graph in compact mode if graph setting is enabled. Default: 1. Example: EXPLAIN PIPELINE SELECT sum(number) FROM numbers_mt(100000) ...
A processor is a component that takes streams of input rows, processes them according to a specification, and outputs one stream of rows. For example, aTableReaderprocessor reads in data, and anAggregatoraggregates input rows.Both <table>@<index>The index used by the processor.Both ...
CONNECT TOdatabase-nameCALL SYSPROC.SYSINSTALLOBJECTS('EXPLAIN', 'C', CAST (NULL AS VARCHAR(128)), CAST (NULL AS VARCHAR(128))) This call creates the explain tables under the SYSTOOLS schema. To create them under a different schema, specify a schema name as the last parameter in the ca...