Now say i want to explain a stored proc , to be more precise i want to explain the procedure with the name itself rather than copy the SELECT query part and executing it. If neither -o nor -t is specified, the user is prompted for a file name the default option is terminal output. The per-partition usage, transferrate and prefetchsize values returned are retrieved when the db2exfmt command is run. The default value for missing inputs is used. Well getting back to my “would have been” presentation I’m successful in taking explain plan with the db2expln utility but have a problem with db2exfmt
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Here is a db2something to rescue you We already has the explain for the query above on the explain tables. Specify -1 to obtain the latest explain request. Explain result will be db2exf,t in ” explain.
I have now started blogging on PostgreSQL database. Newer Post Older Post Home. View xb2exfmt complete profile.
Hi i’m having a problem while i’m trying to collect explain plan with the db2exfmt toolCan some body explain me the process of how to use that tool. Module routines are ignored if this parameter is not specified.
db2exfmt – Explain Table Format – IBM DB2 for Linux, UNIX, and Windows
Sign Up or Sign In. You can look for link posted in this blog for “final no 3 vdo” of db2night show’s db2 has talent C Include the expected output cardinality number of tuples of each operator in the graph.
Number of buffer pool pages: If a procedure or function is overloaded, you must provide the specific name of the procedure or function. Maximum Statement Heap Usage.
Number of data partitions: Table overflow record count: Anyway thank you all guyslet me give some more hits To request all sections, specify zero. If -o and -t are both specified, the output is directed to the terminal. If this variable is not found, you are prompted for an explain table SQL schema. I like bit of photography, cycling, poetry and I just love gadgets!!
Need help for db2exfmt tool
DoraKart 14 October at I’m successful in taking explain plan with the db2expln utility but have a problem with db2exfmt Both the user ID and password must be valid according to naming conventions and be recognized by the database. Just have a look If -o is specified without a file name, and -t is not specified, the user is prompted for a file name the default name is db2exfmt.
These values gives the time taken to retrieve the data. I just need some clarification in db2excmt db2exfmt concept As a database administrator sometimes we definitely face query slowness issues. Do visit my blogs on http: Share Tweet Facebook Facebook Views: If the object type is db2exf,t procedure, function, or trigger, this is the schema of the associated object. One of the great things with db2exfmt is it gives us the optimized query for the query which we are trying to analyze.