I want to create a query that updates an int based on the int of the row with an id that is 1 higher.
This is part of a larger statement, but I\'m wondering if CTE o开发者_JS百科r another method would help make this more efficient or cleaner. I could write it as a table-valued function and include it
I have searched many topics and didn\'t find the answer, or question was too complex. So okay. This is my first question.
Is there anyway to optimize the following query: SELECT t1.id, (SELECT SUM(col1) FROM table_name_two t2 WHERE t2.name LIKE CONCAT(\'%\',t1.name)) AS col1_count
I\'m having difficulty with Oracle 10g syntax for a correlated UPDATE.I am processing this code in a PL/SQL procedure.
What I want to do is display a simple grid of data which contains the entity data, and the aggregate data of its children. For example lets use a Order and line items. I want to display the order info
I have the following two tables: People [*ID*, Name] Pet [*PetID*, OwnerID, Species, Name] (OwnerID is a foreign key of ID)
How can we construct sql query with following constraint. For each record where is_queue_empty=1 and queue_name is empty get im开发者_StackOverflowmediate next record by timestamp where is_queue_empt
I have a query with subquery in it. the subquery returns the value, that i need to return in php and that also is used in \"where\" clause.i trying to figure out how can i not exequte th subquery two
On Oracle 10gR2, given the开发者_如何学Go following query, it takes forever to run.This is because of all the correlated subqueries in the select clause.There has got to be a better way.I\'m thinking
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