by: Joy |
last post by:
MySQL automatically creates an index for the primary key. Now, I want to
drop it before I start inserting a million rows of data. Can I drop it at
all? Thanks.
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by: Bob Stearns |
last post by:
I was under the impression that the primary key had to be a unique
index. Since I usually create my primary indices before my primary keys,
in order to get the indices in the same schema as their...
|
by: BuddhaBuddy |
last post by:
Platform is DB2/NT 7.2.9
The table was created like this:
CREATE TABLE MYTEST (
MYTESTOID bigint not null primary key,
FK_OTHEROID bigint not null references other,
FK_ANOTHEROID bigint not...
|
by: aj |
last post by:
DB2 WSE 8.1 FP5
Red Hat AS 2.1
What is the difference between adding a unique constraint like:
ALTER TABLE <SCHEMA>.<TABLE> ADD CONSTRAINT CC1131378283225 UNIQUE (
<COL1>) ;
and adding a...
|
by: hilz |
last post by:
Hi all.
I have a table that i create in MsAccess, using ado connection as follows:
create table PAYITEM (
PAYITEM_ID COUNTER PRIMARY KEY,
PAYITEM_NAME ...
|
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
|
by: vj_dba |
last post by:
Hi Group,
I have a Primary key in my table. It's clear Primary key wont allow
duplicates, this primary key creates one index for retrival. Suppose if
my table is having a Unique index also....
|
by: db2admin |
last post by:
Hello,
I always assumed that dropping table will drop everything associated
with it like indexes, references etc.
I just noticed that after dropping table A and recreating it and then
creating...
|
by: TycoonUK |
last post by:
Hi,
As I do not have IE7 on my computer, I was wondering if there is a
fault in my CSS Menu when using IE7.
Please can someone look at my site - http://www.worldofmonopoly.co.uk
and tell me...
|
by: Faith0G |
last post by:
I am starting a new it consulting business and it's been a while since I setup a new website. Is wordpress still the best web based software for hosting a 5 page website? The webpages will be...
|
by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 3 Apr 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome former...
|
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,...
|
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: 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...
|
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...
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