I download a db from internet. I save it in my datases folder and I open it. Inside the db there is a table \"Ads\" with 6 fields. 2 of these fields are BLOB. When I want to read from this table... I
I\'m working on trying to make a bit of code dealing with a message tree in PHP more efficient. The data is stored in a SQL database, and at present has to do 2 SQL queries per message, one to find th
This post suggests I can use a cursor to fetch from a query at a throttled rate. How do I do this? 开发者_JAVA百科My aim is to reduce the impact of this low-priority query on other higher-priority que
Given a data table with columns id, color, size and a second table with rules/patterns so rule_id, color_condition and size_condition.
With most drivers for most relational databases, the default and preferred way to access results is to use a cursor or iterator.
Can I access a cursor\'s column dynamically? I mean by name? something like this: declare v_cursor := select * from emp;
I wo开发者_开发技巧uld like to find the number of rows in a cursor. Is there a keyword that can help? Using COUNT, we have to write a query. Any help will be greatly appreciated.The cursor_variable.%R
I have a Procedure in Oracle that takes a varchar2 paramater.Based on the value of that parameter, I need to define a cursor.The cursor will operate on different tables based on the value of the param
Can anyone point me to a practical application of cursor() to do pagination? I am not clear how to use cursor() as given in the documentation.
I am trying to achieve the following using Py开发者_运维问答thon and the MySQLdb interface: Read the contents of a table that has a few million rows.
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