by: Robert Brown |
last post by:
Let's say I have a type hierarchy: (just an example)
the general entity customer:
CREATE TABLE customer(customer_id int, customer_name varchar(250),
customer_type int)
three specific...
|
by: pb648174 |
last post by:
I have a table called BidItem which has another table called
BidAddendum related to it by foreign key. I have another table called
BidFolder which is related to both BidItem and BidAddendum, based...
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by: Brendan Jurd |
last post by:
Hi all,
I read on the manual page for Inheritance that:
"A limitation of the inheritance feature is that indexes (including
unique constraints) and foreign key constraints only apply to single...
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by: StaZ |
last post by:
Hello,
This is my first post, i couldn't find an answer to my problem over
the other posts.
first - I have a Main table called , this table has a primary
key that is an autonumber.
second -...
|
by: Ross A. Finlayson |
last post by:
Hi,
I'm scratching together an Access database. The development box is
Office 95, the deployment box Office 2003.
So anyways I am griping about forms and global variables. Say for
example...
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by: Thomas T. Thai |
last post by:
I'm looking for a better way to make use of foreign keys. Here is a
sample setup:
-- TESTING Foreign Keys
create table mod (
mod_id int not null primary key,
name varchar(32) not null...
|
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: rsrinivasan |
last post by:
Hi,
1. I have some table. But i do not know how to find primary key column, forign key column in that table. Is any procedure or function is available in oracle to find this?.
Thanks,...
|
by: Frank Swarbrick |
last post by:
So we're trying to decide if it's better to use IDENTITY columns or
sequences to create a surrogate key as the primary key for our tables. I
kind of like the identity column, because it's more...
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by: JnrJnr |
last post by:
I have two SQL database tables. One contains various products(with unique primary keys) and the other contains information related to the products aswel as the product's foreign keys.
What I want...
|
by: CloudSolutions |
last post by:
Introduction:
For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...
|
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...
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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: 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
|
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: 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...
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