by: dcp |
last post by:
I just installed the 4.1.0-alpha-max-nt version of MySql and have just
started playing around with it.
My first test was to try to create a couple of tables, one with a
foreign key constraint. ...
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by: geoff |
last post by:
The table creation script(at the end of this post) works fine on
4.0.1-alpha-win, but the foreign key constraints fail on 4.0.15-win. I
am starting the server with the same command for both...
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by: Andrew DeFaria |
last post by:
I created the following .sql file to demonstrate a problem I'm having.
According to the manual:
If |ON DELETE CASCADE| is specified, and a row in the parent table
is deleted, then InnoDB...
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by: Ev |
last post by:
I have a database table in SQL Server that has a self join. In C# I have a
DataTable with a self-join. I have defined a foreign key constraint on the
DataTable for the self join. The...
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by: Tibor |
last post by:
I am using PostgreSQL 7.4.1 (only through psql)
I know, that the command
ALTER TABLE OFFICES
DROP PRIMARY KEY (CITY);
and its foreign key equivalent:
ALTER TABLE SALESREPS
DROP CONSTRAINT
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by: Shawn Chisholm |
last post by:
Hi, I am trying to deal with a deadlock situation caused by foreign key references on insert and I was wondering if anyone knows what order the foreign keys are locked (or evaluated) in for a...
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by: sonal |
last post by:
Hi all,
I hv started with python just recently... and have been assigned to
make an utility which would be used for data validations...
In short we take up various comma separated data files
for...
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by: rbarber |
last post by:
I have to synchronize 2 databases hourly but am having difficulty maintaining foreign key relations. These tables use auto-increment columns as primary keys, with child records in other tables...
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by: jarea |
last post by:
I have read quite a bit about this error but I have yet to find the solution to my problem.
I am trying to execute the following mysql statement:
alter table line_items
add...
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by: RomeoX |
last post by:
Hi everybody
actually I need your help in fixing my code. Actually I have a library system that can be applied in university or any school and I'm stucking in a page that for loan student book. I...
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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: 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...
|
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: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
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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...
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