by: Rizyak |
last post by:
-----Cross posted on comp.databases.ms-sqlserver and
microsoft.public.sqlserver.programming-----
Can someone please explain cardinality to me? I am having a problem with an
insert from a...
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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...
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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: scott.swank |
last post by:
Hello all. I'm running SQL Server 2000 and I'm trying to get a very
few, recent rows of data from a table based on an indexed datetime
column. Here's my predicate:
where order_date >...
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by: JAW |
last post by:
This plan seems like it should perform well. Does anyone see anything.
SQL Statement Text:
DECLARE MTR - RDG - EST - CSR CURSOR
FOR
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by: Y2J |
last post by:
I am working through this book on C++ programming, the author is
speaking of using linked lists. He gave and example which I found
confusing to say the least. So I rewrote the example in a way that...
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by: dunleav1 |
last post by:
Here's the statement: delete from table a where id1=4;
Table a is a parent to table b,c,d,e,f,g,h,i,j,k,l
Table a key is id1,id2
table b,c,d,e,f,g,h,i,j,k,l key is id2,id3.
I delete all the...
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by: skaushik |
last post by:
Hi all,
I was working on a SQL query where a history table is joined with a small table to get some information. There is an index on the history table column but the explain plan tells that there...
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by: uwcssa |
last post by:
is there a way to see the actual (not just estimated) cost and
cardinality at each plan operator? SQL Server and Oracle has such
feature but I failed to find a way in DB2 yet (up to V9.5)
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by: db2admin |
last post by:
hello,
I have compressed table 442992 rows and when i run explain plan on
this table for some SQL using this table, i see table scan and
cardinality on top of table node as 18458. I am new to...
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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: 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: 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
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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: 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...
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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...
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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...
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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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