by: Mahesh Hardikar |
last post by:
Hi ,
Oracle 8.1.7.0.0 on HP-UX 11.0
I am a newbie as far as PL-SQL is concerned . I have Sybase/MSSQL
T-SQL background.
We have a report which uses a select statement . This select...
|
by: Paul Mateer |
last post by:
Hi,
I have been running some queries against a table in a my database and
have noted an odd (at least it seems odd to me) performance issue.
The table has approximately 5 million rows and...
|
by: Robert Wille |
last post by:
I have a number of very common queries that the optimizer plans a very inefficient plan for. I am using postgres 7.2.3. I vacuum hourly. I'm wonderingwhat I can do to make the queries faster.
Here...
|
by: ruben |
last post by:
Hi:
I must have missed something, but how is it possible that a join on
tables A and B is faster (a lot faster) than a query to one of the
tables with the same conditions?
The problem seems...
|
by: Dmitry Tkach |
last post by:
Hi, everybody!
Here is a weird problem, I ran into...
I have two huge (80 million rows each) tables (a and b), with id as a PK
on both of them and also an FK from b referencing a.
When I try to...
|
by: Steven D.Arnold |
last post by:
I have a query which does not use column indexes that it should use. I
have discovered some interesting behaviors of Postgres which may
indicate a bug in the database's query planning.
Take a...
|
by: Együd Csaba |
last post by:
Hi All,
how can I improve the query performance in the following situation:
I have a big (4.5+ million rows) table. One query takes approx. 9 sec to
finish resulting ~10000 rows. But if I run...
|
by: CSN |
last post by:
I have a pretty simple select query that joins a table
(p) with 125K rows with another table (pc) with almost
one million rows:
select p.*
from product_categories pc
inner join products p
on...
|
by: Zygo Blaxell |
last post by:
I have a table with a few million rows of temperature data keyed
by timestamp. I want to group these rows by timestamp intervals
(e.g. every 32 seconds), compute aggregate functions on the...
|
by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
|
by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
|
by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
|
by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
|
by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
|
by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
|
by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
|
by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
|