by: Tony Clarke |
last post by:
Hi,
I'm trying to write a system thats used for about 50 clients that uses html
forms and php to log details. The problem is that when a client loads the
form page it's given a value which is...
|
by: June Moore |
last post by:
Hi,
I would like to add a unique index that consists of two fields in a
table.
e.g. tbl_A (field1,field2) -- field1 & field2 Indexed and combination
must be Unique.
Can anyone tell me the...
|
by: Mansoor Azam |
last post by:
When I add a unique key constraint to column in SQL 6.5 why does it also
create an index. e.g. In the table subaccounts I added a unique key
constraint for the column login and SQL creates an index...
|
by: Kamil |
last post by:
Hello
What should I use for better perfomance since
unique constraint always use index ?
Thanks
Kamil
|
by: Mamuninfo |
last post by:
Hello,
Have any function in the DB2 database that can generate unique id
for each string like oracle, mysql,sybase,sqlserver database.
In mysql:-
select md5(concat_ws("Row name")) from...
|
by: Lauren Wilson |
last post by:
Does anyone know how the following info is extracted from the user's
computer by a Front Page form?
HTTP User Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US;
rv:1.7.5) Gecko/20041107...
|
by: Mark Halliday |
last post by:
I'm writing a windows app that uses sql server. Some of my entities have
properties that must be unique. I'm not sure whether I should be performing
manual checks on save or use the unique...
|
by: Goh |
last post by:
Hi,
I would like to know how can we implement a web page that
intelligent enough to unique identify that pc have been visit before without
any cookies and login user require.
I have try...
|
by: Ken |
last post by:
Hi,
I have a form whose control source is a view from SQL server 2005
database. The view has a primary key that is a unique identifier field
with keys generated by newid() function from SQL server...
|
by: D.Stone |
last post by:
Hi, I'm getting hung up on a trivial schema change - I need to make a
column accept only null or unique values and Books Online avers 'what
you need is a UNIQUE constraint'. Fine.
I've tried...
|
by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
|
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...
|
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: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
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: 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...
|
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
|
by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...
|
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