Optionally, you can select a mark in a viz, hover the cursor over the mark. In the tooltip menu, select Data Guide . In Tableau Public, select the lightbulb in the tooltip menu to run Explain Data. Possible explanations for the value of the analyzed mark are displayed in the Data Guide...
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The verbose output includes additional information such as join types, exact row estimates, and other details that might be omitted in a standard EXPLAIN output. This level of detail is particularly useful for diagnosing complex queries where understanding the exact nature of the ...
Figure 4: Execution plan accessing the SQL cursor cache, using the basic format The arguments accepted by DBMS_XPLAN.DISPLAY_CURSOR are: SQL ID (default null, means the last SQL statement executed in this session), child number (default 0), format, controls the amount of ...
(s) | | Process Build Table for Hash Join Hash Join | Estimated Build Size: 4000 | Estimated Probe Size: 4000 | Access Table Name = SDINIRO.DEPARTMENT ID = 2,6 | | #Columns = 3 | | Skip Inserted Rows | | Avoid Locking Committed Data | | Currently Committed for Cursor Stability ...
Cursor Stability | | Relation Scan | | | Prefetch: Eligible | | Lock Intents | | | Table: Intent Share | | | Row : Next Key Share | | Sargable Predicate(s) | | | Process Probe Table for Hash Join Return Data to Application | #Columns = 5 End of section 親トピック: シス...
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The next two are explanations for what the two buttons in the top right corner do and only appear when the cursor hovers over them. They state "Create new light", explaining that this icon introduces new lamps, and "Remove selected (delete key)", which explains that the icon can be ...
Action: Re-phrase the query to avoid use of a nested cursor expression. QSM-02024 no GROUP BY clause Cause: The capability in question is not supported when the materialized view does not use a GROUP BY clause. Action: Re-phrase the query to use a GROUP BY clause. QSM-02025 no aggre...
The V$SQL_PLAN_STATISTICS_ALL view enables side by side comparisons of the estimates that the optimizer provides for the number of rows and elapsed time. This view combines both V$SQL_PLAN and V$SQL_PLAN_STATISTICS information for every cursor. See Also: "Real-Time SQL Monitoring" for informa...