Sybase Iq Execution Plan

Sybase Iq Execution Plan



12/8/2015  · I have a ‘strange’ experience with IQ 11.5.1 under HP-UX 11.0: The customer has a indexset with 60 columns and 10 rows (is an aggregate table), when he executes the query ‘select * from table’ IQ takes 30 seconds just to generate the execution plan (it uses less time when the number of columns is 6 or 7 for example).


Remove Execution plan cache from Sybase IQ . Ask Question Asked 5 years, 6 months ago. Active 5 years, 6 months ago. Viewed 702 times 0. how can I remove execution plan cache for a specific query from sybase iq . sql sybase sybase – iq . share | improve this question | follow | asked Apr …


5/18/2016  · The HTML query plans are IQ ‘s graphical query plans. You can also use the Query_Name option to add more detail to the HTML plan name (e.g. query name). This can be very useful when trying to see which parts of a query were sent to worker nodes for DQP in multiplex. You should also look at the other query plan options: Query_ Plan _After_Run=’on’, Anywhere, or ASA. ASA is a product that can exist with or without SAP Sybase IQ. SAP Sybase IQ uses ASA as a front end for various functions, and to manage the catalog, or metadata, for SAP Sybase IQ. The way that IQ processes a query is as follows: ASA handles connections, security and SQL parsing The query is handed off to the IQ engine for optimization and execution, Sets the QUERY_ PLAN _AS_HTML_DIRECTORY option, specifying the directory into which Sybase IQ writes HTML query plans. Query Rows Returned Limit Sets the QUERY_ROWS_RETURNED_LIMIT option, setting the row threshold for rejecting queries based on an estimated size of the result set.


9/25/2000  · I have a ‘strange’ experience with IQ 11.5.1 under HP-UX 11.0: The customer has a indexset with 60 columns and 10 rows (is an aggregate table), when he executes the query ‘select * from table’ IQ takes 30 seconds just to generate the execution plan (it uses less time when the number of columns is 6 or 7 for example).


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Running a SQL Anywhere or Sybase IQ Event Generating an Execution Plan . Execution Plan View Viewing SQL Results. SQL Results View Grouping SQL Results Terminating Execution in SQL Results View SQL Results History. Searching SQL Results Filtering SQL Results History Saving a SQL Result History Removing Results from SQL Results View …


Execution resumes at the first statement after the END CASE. The ANSI standard allows two forms of CASE statements. Although Sybase IQ allows both forms, when CASE is in the predicate, for best performance you must use the form shown here. If you require the other form …


– iq : Specifies that the database that you are connecting to is an SAP Sybase IQ database.-nogui: Runs Interactive SQL as a console application, with no windowed user interface. This is useful for batch operations. If you specify either dbisql-statement or dbisql-script-file, then -nogui is assumed.

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