by: Bruce D |
last post by:
I'm trying to understand MySQL better. I can't seem to figure out why the
second query takes 2 minutes and the first query takes 12 seconds. It
should be noted that the table, KBM, has 250...
|
by: Greg Stark |
last post by:
This query is odd, it seems to be taking over a second according to my
log_duration logs and according to psql's \timing numbers. However explain
analyze says it's running in about a third of a...
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by: Ina Schmitz |
last post by:
Hello all,
I don't succeed in displaying the explain plan. I use IBM DB2 Universal
Database 8.2.
I tried to do the example given in the online help for "Visual Explain".
The tables...
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by: Buck Nuggets |
last post by:
Since upgrading to db2 8.2.1 I've been having odd problems with visual
explain:
1. tables appear to require schema prefixes:
SQL0204N "BUCK.DIM_SENSOR"
is an undefined name. SQLSTATE=42704...
|
by: Jeff Boes |
last post by:
I'm hoping there's someone here with experience in building the Visual
Explain tool from Red Hat. I downloaded it and the J2 SDK, but when I
attempt to follow the build instructions, I get messages...
|
by: Jon Lapham |
last post by:
I have been using the EXPLAIN ANALYZE command to debug some performance
bottlenecks in my database. In doing so, I have found an oddity (to me
anyway). The "19ms" total runtime reported below...
|
by: marklawford |
last post by:
Not having earned my DBA badge from the scouts just yet I'm a little
lost with an error I'm getting.
We've just upgraded our development database from 7.2 to 8.2 as the
first step in upgrading...
|
by: heming_g |
last post by:
two tables with the same table structure : tb_xxx and tb_xxx_tmp
in table tb_xxx , column "listno" is the primary key of itself and
foreign key of dozen of tables .
here is my sql .. "...
|
by: kabotnet |
last post by:
Hi,
I'm new in db2, I'm trying to execute EXPLAIN command on some queries
but i have error like:
And message similar to: Token EXPLAIN is not valid, valid tokens ( END
GET SET CALL DROP FREE...
|
by: w.l.fischer |
last post by:
Hi,
the following sequence:
set current explain mode yes;
set current explain snapshot yes;
update ...;
set current explain mode no;
|
by: CloudSolutions |
last post by:
Introduction:
For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...
|
by: Faith0G |
last post by:
I am starting a new it consulting business and it's been a while since I setup a new website. Is wordpress still the best web based software for hosting a 5 page website? The webpages will be...
|
by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 3 Apr 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome former...
|
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: 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...
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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...
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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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