by: Dylan Nicholson |
last post by:
Seems that Oracle 9.2 (using MS ODBC driver) requires extra
parentheses when adding multiple columns to a table:
ALTER TABLE MyTable ADD (MyColumn1 VARCHAR(255), MyColumn2
VARCHAR(255))
vs
...
|
by: Richard Hollenbeck |
last post by:
I made a table this way:
mysql>create table tblCourses (courseCode char(30) primary key,
courseDescription char(50));
Now I realize that I forgot to enforce that both fields will not be null....
|
by: Bruce |
last post by:
Hi,
I want to change the datatype of an existing column from char to
varbinary. When I run the "Alter Table" statement, I get the
following error message -
Disallowed implicit conversion...
|
by: Brian Brane |
last post by:
I have properties that wrap DataRow columns as in:
public int aNumber
{ get{ return m_DataRow; }
set{ m_DataRow = value; } }
If the column happens to contain DBNull, I get a cast
exception...
|
by: bikkaran |
last post by:
hi ,
i have some simple doubt in DB2
1. can we disable or enable an INDEX.
2. can we drop a column from a table .
3. can we change the datatype of a column i.e say from varchar to
integer...
|
by: RamaKrishna Narla |
last post by:
In MS SQL Server, I have the following tables with some data in it.
create table table1 (
column1 varchar(32),
column2 int not null,
column10 varchar(255),
.....
primary key (column1,...
|
by: Jeff Kish |
last post by:
Hi.
I'm getting errors like this when I try to run an upgrade script I'm trying to
write/test:
altering labels to length 60
Server: Msg 5074, Level 16, State 4, Line 5
The object...
|
by: Tomba |
last post by:
I have a really annoying problem, which i tried solving for almost 3 days now. (I googled in any variation i could think of, but i couldn't find anything that will help my stupid me understand:\)...
|
by: vijaialphonse |
last post by:
i have a table which has 3 columns, one of three is set to default value 0. Now i have to change data type of that particular column and its default value using sql query. am working with sql server...
|
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: 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: 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,...
|
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 $name$ ($parameters$) {
}
...
|
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?
|
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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