by: Martin MacRobert |
last post by:
Hi,
I'm trying to make a specialisation of a template function, so that
the second parameter accepts scalar types only (int,double,float
etc.).
How can I do this without writing an explicit...
|
by: Greg Stark |
last post by:
I find I often want to be able to do joins against views where the view are
aggregates on a column that has an index. Ie, something like
SELECT a.*, v.n
FROM a
JOIN (select a_id,count(*) as n...
|
by: Greg Stark |
last post by:
Postgresql 7.4b2 (approximately, compiled out of CVS)
When I have a subquery that has a complex subquery as one of the result
columns, and then that result column is used multiple times in the...
|
by: Bob Stearns |
last post by:
When I run the following query with the two sections commented out, the
response time is between 1 an 2 seconds; with the first indicated
section enabled, the response goes up to 15 seconds even...
|
by: Kevin Murphy |
last post by:
I'm using PG 7.4.3 on Mac OS X.
I am disappointed with the performance of queries like 'select foo from
bar where baz in (subquery)', or updates like 'update bar set foo = 2
where baz in...
|
by: Eli |
last post by:
Hi,
I want to check whether a value is a scalar. A scalar can be:
- None (null)
- string
- number (integer, float)
- boolean
How can I validate a value is one of these types?
I care about...
|
by: laurentc via AccessMonster.com |
last post by:
Hi.
I have an issue with my Access project.
I have rather big tables of data (about 11 000 rows).
These tables are historical product quotations, so they are very simple :
- MyDate...
|
by: Shals |
last post by:
Hi,
I'm using Form and a subform control within that form. Main form is
getting data from one table(Buildings) and subform is getting data from
another table(BldgDataByFloor). but both the form...
|
by: ThePrinceIsRight |
last post by:
I have a problem with using a subquery in MS Access. The purpose of the sub-query is to create a list of people who have had doctor exams in the past 6 months and exclude them from the main query....
|
by: nshishir |
last post by:
In oracle, there is a performance improvement if scalar subqueries are
used instead of joins. Does this hold good for Db2 (8.2) too?
|
by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
|
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: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
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: 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: 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...
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