by: phil |
last post by:
Problem, the focus is on a field which has contents
and I scan the credit card card, which is keyboard input.
The field is altered and a bunch of chars fly acroos the
field. messy.
Ok, I can...
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by: Marcus |
last post by:
Hi
I have a very complex sql query and a explain plan. I found there is a
full table scan in ID=9
9 8 TABLE ACCESS (FULL) OF 'F_LOTTXNHIST'
(Cost=84573 Card=185892...
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by: Carlos Moreno |
last post by:
I can't find a reasonable explanation for this.
I have a table game, with primary key gameid (an int).
If I use a where involving gameid and <, or >, or <=,
or >=, then I get a sequential...
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by: Mark Harrison |
last post by:
I have indexed two columns in a table. Can somebody explain to me why
the first query below uses an Index Scan while the second uses a Seq
Scan?
Many TIA!
Mark
planb=# \d abcs
Table...
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by: robert |
last post by:
just got out of a "class" on EXPLAIN, from a 390/v6 maven. was told
that ACCESSTYPE = 'R' in the plan_table meant a TableSpace scan.
hmmmm. next step up (or down, depending on your outlook)...
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by: xixi |
last post by:
hi, we are using db2 udb v8.1 on windows, if i have a query use where
clause where key > value, the explain sql gives me access path is
table scan, but if i do key = value, it uses index scan, so...
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by: Dia |
last post by:
At the company I work job applicants are required to do a little test.
The human resource manager recently had a candidate who claimed one of
the questions was ambiguous.
Dependent upon the...
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by: sameer |
last post by:
Hi all,
..net framwork 1.1
sql server 2000
I have a vb.net winforms application using webservices\ remoting to
upload documents\ images to the webserver and i am gong to store them in the
sql...
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by: shilpasharma |
last post by:
Hi,
Can anybody let me know how I can optimise following Query.
Select * from reports
where
( exists ( SELECT 1 FROM results_required rr, item_claims_trials ict, results res
WHERE...
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by: BD |
last post by:
Hi, all.
My background is more Oracle than db2. My skills at SQL tuning are
quite limited.
I'm running 8.2 on Windows.
I'm tasked with some SQL optimization, and am doing some explain plans...
|
by: taylorcarr |
last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
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by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
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by: aa123db |
last post by:
Variable and constants
Use var or let for variables and const fror constants.
Var foo ='bar';
Let foo ='bar';const baz ='bar';
Functions
function $name$ ($parameters$) {
}
...
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by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
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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...
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by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
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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,...
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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,...
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