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: 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:
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
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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: 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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