by: Andreas Falck |
last post by:
Hi,
I ran the code below on two different versions, 4.0.14 and 4.0.16
respectively, both running RH 7.3 on intel.
In version mysql server version 4.0.14 the SELECT privelege suffices
for...
|
by: Bruce D |
last post by:
Could someone please help to explain why the following query isn't using the
index...
explain select id from kbm where state = 'MA'
table type possible_keys key key_len ref rows Extra...
|
by: janet |
last post by:
HI,
We had some data which had low cardinality (86) , the count for that
table is 9 million rows.
How to optimize query which involve joining this table on that column?
I'm not sure if...
|
by: xeqister |
last post by:
Greetings all,
We have a complicated statement in DB2 which takes long hour to
complete and we have created most of the indexes. Does anybody knows
how to tune the following statement to optimize...
|
by: Huaer.XC |
last post by:
>From the following MySQL command:
EXPLAIN SELECT * FROM t1 JOIN t2 ON (t1.id = t2.id) JOIN t3 ON t3.name
= t1.name WHERE t1.id IN(123, 124);
which result is:...
|
by: Frank Swarbrick |
last post by:
IBM has a product for the VSE operating system called the VSAM Redirector.
It allows you to use VSAM to access RDBMS tables/views as if they were
actual VSAM files. We're doing a comparison right...
|
by: kenneth |
last post by:
I was trying to use multiple thread to optimize my following code, but
met some problems, anyone can help me?
k are initialized.
int computePot() {
int i, j;
for( i=0; i<500; i++ ) {
for(...
|
by: acornejo |
last post by:
Hi All
I've the following code I need to optimize. Currently tblOutgoing is about 250K registers and growing at a rate of about 20k records per day. This code takes me over 5 secs to run on each...
|
by: gkinu |
last post by:
I have 2 tables with a parent-child relationship. Parent table's primary key field is Entry_no and is of type VarChar(50). This parent table has about 50 fields. The child has 3 fields, Entry_No...
|
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: 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...
|
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: 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...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
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