I have a query using CONNECT BY and START WITH statement like below. The query in the IN clause took less than 5 seconds to run and returns 3000 rows. fact_table contains 20M of records. How can I opt
This question already has answers here: SQL Query to concatenate column values from multiple rows in Oracle
I have a procedure that uses Connect By SELECT开发者_开发百科 <lots of fields> FROM Group g
In this scenerio... CREATE TABLE emp ( empnoNUMBER(4) NOT NULL, enameVARCHAR2(10), jobVARCHAR2(9), mgrNUMBER(4),
Oracle ships with a very handy feature. You can create hierarchical queries (recursive behaviour) using the following clause:
I am using start with , connect by statement to get data recursivly,开发者_JS百科 i am getting all parent - child but i just want to get the end parent for each child.
Given this starting CTE: WITH Sections AS ( SELECT 1 Section, 1 StartUnit, 5 EndUnit FROM DUAL UNION ALL SELECT 2, 0, 2 FROM DUAL
While I have already solved this issue in a previous question using a native query. I am now wondering if it is possible to create a custom expression that is usable in a Criteria without using the wh
I need help with a oracle query. Here is my setup: I have 2 tables called respectively \"tasks\" and \"timesheets\". The \"tasks\" table is a recursive one, that way each task can have multiple subt
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