by: SK |
last post by:
I have a file. i get the creation time using
File.GetCreationTime. then i go and delete that file. and
then create it again and print the File.GetCreationTime.
It is giving me the old creation...
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by: dfurtney |
last post by:
SQL Server 7/2000: We have reasonably large tables (3,000,000 rows)
that we need to add some indexes for. In a test, it took over 12 hours
to CREATE a new INDEX against this table. One of us...
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by: Sean C. |
last post by:
Helpful folks,
Most of my previous experience with DB2 was on s390 mainframe systems
and the optimizer on this platform always seemed very predictable and
consistent. Since moving to a WinNT/UDB...
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by: Xela |
last post by:
Hi
I am facing the following problem. I load a fact table with around 25
millons lines, and 7 indexes. I load it with 3 million line subsets. I am on
a quadriprocessor Solaris machine. The...
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by: chettiar |
last post by:
Hi,
I am dropping an index and recreating it to lower the high water mark.
The index creation is taking a lot of time. I am stuck as to why it
does so. Is there any way that I can find out why...
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by: Jeffrey W. Baker |
last post by:
Greetings,
I have a 23GB data table upon which I am building a primary key of three
columns. The data is mounted in a 137GB device and pg_xlog is mounted
on a separate 3.5GB device. I have...
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by: Laurence |
last post by:
Hi there,
How to differentiate between unique constraint and unique index? These
are very similar but I cannot differentiate them?
Could someone give me a hand?
Thanks in advance
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by: Challenge |
last post by:
Hi,
I have a table creation script that generated by ERWin. An index name
is too long and has been truncated as "XPKsp_prj_stk_ord_". Now I want
to drop and recreate it as another name. I got...
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by: vd12005 |
last post by:
Hello,
While playing to write an inverted index (see:
http://en.wikipedia.org/wiki/Inverted_index), i run out of memory with
a classic dict, (i have thousand of documents and millions of terms,...
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by: Spacen Jasset |
last post by:
I am running postgresql at version 8.1 on a windows xp desktop machine.
I then loaded 40 million rows into a table of 6 varchar fields ( The sum
total length of a row is on average about 100...
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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: 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: 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: 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: 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: 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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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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