by: michael |
last post by:
Gotta post because this is driving me nuts.
Trying to DELETE orphans. I can successfully:
SELECT GroupID FROM Groups LEFT JOIN Users ON UsersID = UserID WHERE
UsersID IS NULL;
but when I...
|
by: Soefara |
last post by:
Dear Sirs,
I am experiencing strange results when trying to optimize a LEFT JOIN
on 3 tables using MySQL.
Given 3 tables A, B, C such as the following:
create table A (
uniqueId int not...
|
by: Quarco |
last post by:
Hi,
Suppose I have a query like:
SELECT
products.name AS product,
SUM(IF(stock.invoice=0,1,0)) AS in_stock,
SUM(IF(shopcart.status=1,1,0)) AS reserved
FROM products
LEFT JOIN stock ON...
|
by: jbm05 |
last post by:
Hi,
I'm curious about the computational complexity of a query I have. The
query contains multiple nested self left joins, starting with a simple
select, then doing a self left join with the...
|
by: Thomas Beutin |
last post by:
Hi,
i've a speed problem withe the following statement:
SELECT DISTINCT pz.l1_id, pz.l2_id, pz.l3_id, pz.l4_id
FROM ot_adresse AS a, ot_produkt AS p
LEFT OUTER JOIN ot_kat_prod AS pz ON (...
|
by: Andrei Ivanov |
last post by:
Hello,
I have 2 tables:
CREATE TABLE products (
id SERIAL PRIMARY KEY,
name VARCHAR(255) NOT NULL
);
CREATE TABLE products_daily_compacted_views (
product ...
|
by: mike |
last post by:
I'm using postgresl 7.3.2 and have a query that executes very slowly.
There are 2 tables: Item and LogEvent. ItemID (an int4) is the primary key
of Item, and is also a field in LogEvent. Some...
|
by: shanevanle |
last post by:
I have two tables that are pretty big. I need about 10 rows in the
left table and the right table is filtered to 5 rows as well. It
seems when I join the tables in the FROM clause, I have to...
|
by: polycom |
last post by:
Assistance needed to optimize this query
SELECT SD.content_id AS Id,
SD.title AS Title,
CT.name AS Contenttype,
PV.content_id AS SponsorId,
...
|
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: 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:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
|
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...
|
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
|
by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...
|
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