WebA cursor is a name or handle to a specific private SQL area. The cursor contains session-specific state information such as bind variable values and result sets. As shown in the following graphic, you can think of a cursor … WebNov 21, 2012 · Cursor sharing is "adaptive" because the cursor adapts its behavior so that the same plan is not always used for each execution or bind variable value. Adaptive cursor sharing is enabled for the database by default and cannot be disabled. Note that adaptive cursor sharing does not apply to SQL statements containing more than 14 …
oracle - Query gets slow when bind peeking is turned on
WebSep 30, 2008 · the statistics of whether and/or how often an Adaptive Cursor has been shared. The PEEKED column will display a value of Y(es) if the bind set had been used … WebApr 2, 2024 · In this Blog we will try to get some insight on below topics which are all interlinked to understand hard parsing 1) How different sql id having same signature , FORCE_MATCHING_SIGNATURE and EXACT_MATCHING_SIGNATURE are related 2) What is bind peeking and Bind Seeking 3) Adaptive Cursor Sharing , … irc section 274 j
oracle - Relationship between CURSOR_SHARING, Bind …
WebJun 12, 2015 · Mix together the following in your Oracle database environment: large tables, skewed data, histograms (or lack of), bind variables, literals, the CURSOR_SHARING initialization parameter and bind ... WebThat peek may or may not be the best value to base the execution plan of a query on. The next time the optimizer encounters that same cursor, no more peeking takes place no … WebThe answer is a phenomenon called bind peeking. Earlier, when you ran that query with the bind variable value set to 'NY', the optimizer had to do a hard parse for the first time and while doing so it peeked at the bind variable to see what value had been assigned to it. ... As the adaptive cursor sharing feature uses the correct plan based on ... order catalogs with baby clothes and etc