by: Holger Marzen |
last post by:
Hi all,
the docs are not clear for me. If I want (in version 7.1.x, 7.2.x) to
help the analyzer AND free unused space do I have to do a
vacuum
vacuum analyze
or is a
|
by: APAPF |
last post by:
Hi,
I'm trying to interpet a db2 explain. I'm trying to determine if the SQL is
being executed as I expect/hope.
The sql is generally:
select key from table where key1=value and key2 >...
|
by: LazyAnt |
last post by:
Hello,
I have DB2 v8.1 for Linux for a class environment; each user has
his/her own database as dbadm and they are suppose to study queries
from another database.
They have the right...
|
by: Terry |
last post by:
Hi All,
Im trying to run db2expln over some sql in order to find out why its
so slow.
I receive the following error message.
LINE MESSAGES FOR DYNEXPLN.sqc
------ ...
|
by: Klint Gore |
last post by:
query is
select t2.field4, t1.*
from t1
left outer join t2 on t2.field1 = t1.field1 and t2.field2 = t1.field2
There are 55k rows in t1 (103 fields) and 10k in t2 (4 fields, 4 is text)....
|
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: jefftyzzer |
last post by:
Colleagues:
Can anyone tell me what the number to the right of "Index Prefetch:
Eligible" designates in the output from db2expln, e.g., "Index
Prefetch: Eligible 14409"?
I see such a number...
|
by: dspfun |
last post by:
I would like to analyze my running c-program.
What I would like to know for example is the range of the entire
address space of my running c-program (memory reserved for/by the
running program),...
|
by: Troels Arvin |
last post by:
Hello,
In a DB2 LUW v. 8.1.1.96, I have a hard time giving users access to the
db2expln utility.
Let's say that user FOOBAR needs to be able to run the db2expln utility. I
do:
- provide...
|
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: ryjfgjl |
last post by:
In our work, we often need to import Excel data into databases (such as MySQL, SQL Server, Oracle) for data analysis and processing. Usually, we use database tools like Navicat or the Excel import...
|
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,...
|
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 $name$ ($parameters$) {
}
...
|
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...
|
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...
|
