by: Phil Powell |
last post by:
Consider this:
class ActionHandler {
...
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by: Johann Uhrmann |
last post by:
Hello,
are there any experiences about the performance of indices
with different data types.
How do the performance of an index that consists of
- an integer field
- a varchar() field
- a...
|
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...
|
by: lauren quantrell |
last post by:
In a table design, properties window there is the Indexes/Keys tab.
I want to create a few indexes.
Row myID is the PK.
I also want indexes on rows myOne, myTwo, myThree.
In the selected...
|
by: Eric Davies |
last post by:
We've implemented a 5D box data type and have implemented both RTree and
GiST access methods under PostgresSQL 7.4 and PostgresSQL 7.4.1. The 5D box
internally looks like:
struct Box5D{
float...
|
by: bobby_b_ |
last post by:
I have a table where fields 1 and 2 make up the primary key.
Because of this, I have a unique composite index on fields 1 and 2 (as
required by DB2). Now my question is: Fields 1 and 2 are also...
|
by: jhall |
last post by:
At some point an index has been added to a table in my Access DB that
does not allow duplicates. I can't see where I ever put an index on
this field.
But, when I tried to add 2nd records with a...
|
by: D.R. |
last post by:
hi,
I have (On AS/400) a physical file (with keyed access path )with a key
field.
How can i build an index from this field?
(i need it for the SQLStatistics)
Thank,
Dror
|
by: Enorme Vigenti |
last post by:
Hi all,
I have a very large table with many columns: dateTime type, nvarchar
type and integer field type.
A program exec many type of query with where clause.
Data field is always in where...
|
by: BravoFoxtrot |
last post by:
Hi,
I'm trying to build an index into a multi dimensional associative
array. I may not know how many dimensions there are so i want to pass
the array indexes as a variable.
$arrayToAccess =...
|
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,...
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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:
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...
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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
|
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...
|
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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