How To Change The Datatype Of A Column Without Dropping The Table?
Jan 11, 1999Can anyone tell me how to change the datatype of a column.
Without dropping and recreating the table...
The table is empty...
THNK YOU VERY MUCH...
ADVERTISEMENT
Change Column Datatype $2,000 To 2000
Jul 30, 2007Hello,How do I change the datatype of a column in a CSV file. Preferably in the select statement (apparently Cast, Convert, & Replace functions don't work when selecting from a CSV). I have a page where users upload their CSV files to and then I use SQLBulkCopy to insert all the records into my sql table. The problem is with columns of money data. EX: "$2,000" >> 2000The CSV file interprets the "$2,000" as a string of text. How do I convert it to a decimal so I can insert it into my sql database?
View 4 Replies View RelatedDerived Column Error:can't Change Datatype
Aug 31, 2007I am trying to replace the value of a column in a derived column component, but it will not let me change the datatype.
It has decided that the column is a float, which is wrong.
How can I change it to the correct type?
Change Datatype For The UserID Column In The Aspnetdb Database
Jan 30, 2008Is it possible to change the data type of the UserID column in the aspnetdb database from uniqueidentifier to int?
View 1 Replies View RelatedTransact SQL :: How To Alter Existing Table Column As Identity Without Dropping Table
Nov 20, 2013I have created a table as below mentioned. Then I want to alter the ID column as identity(1,1) without dropping the table as well as losing the data.
create table dbo.IdentityTest
(
id int not null,
descript varchar(255) null,
T_date datetime not null
)
Dropping The Null Characteristic On An Existing Table Column
Jun 11, 1999I am trying to drop the "allow nulls" characteristics on an existing table
column. I know that there are not Nulls currently in this column, nor will
there ever be. How do I get rid of that "allow nulls" checkmark on an
existing table structure? Thanks, Craig.
How To Get DataType Of Column In Table ?
Jul 3, 2004I want get DataType of Column in Table
ex: nvarchar, varchar, etc...
Help me !!
Find Column Name And Datatype Of A Given Table
Jul 22, 2006Hi,
How do we find the "column name" and "data type" of all the columns in a table. Assuming that I know the Table name or Table Object ID. I am using Microsoft SQL Server 2000.
Thanks
-Sudhakar
SQL Server 2012 :: Sorting By Alphanumeric Table Column Of NVARCHAR Datatype
Sep 24, 2015I am trying to sort my sql resultset by an alphanumeric column of a table which is of NVARCHAR datatype. The sample data is given below:
CREATE TABLE #Activities(activityName NVARCHAR(100))
INSERT INTO #Activities VALUES('Field phase S14-04932-01')
INSERT INTO #Activities VALUES('Phase reporting')
INSERT INTO #Activities VALUES('Phase running')
INSERT INTO #Activities VALUES('RD1')
[Code] ....
The output of the query is like this:
A1
A2
A3
A4
E1 0DAA1
E10
E2 0DAA2
[Code] .....
The output what I require is this:
A1
A2
A3
A4
E1 0DAA1
E2 0DAA2
[Code] ....
SQL Server 2012 :: Parameter Datatypes Linked To Underlying Table Column Datatype
Jun 5, 2014In Oracle when i create any procedure i define parameter datatype linked to under lying table.
For ex
create procedure testprocedure
(param1 customer.name%type,
param2 customer.salary%type )
Here i have defined param1 and param2 with datatype of name and salary of customer table respectively.
This way i do not need to worry about modifying param1 and param2 datatypes when datatypes of name & salary of customer table changes in future.
How can i accomplish this in SQL server.
How To Sort Table In Sql2000 With Ipaddress(format X.x.x.x) As Column With Nvarchar Datatype In Ascending Order
Apr 19, 2006How to sort table in sql2000 with ipaddress(format x.x.x.x) as column with nvarchar datatype in ascending order
without using stored procedure
Ex:
Table: netComputers(3 rows)
Column Name: ipAddress (string data type)
ipAddress
0.0.18.1
0.1.1.2
0.0.0.1
Sql query : if I use the query
Select ipAddress from netComputers order by cast( replace(ipaddress,'.','') as numeric(12)) asc
Gives result as :
ipAddress
0.0.0.1
0.1.1.2
0.0.18.1
Where as expected result should be:
ipAddress
0.0.0.1
0.0.18.1
0.1.1.2
Change Row To Column In A Table
Oct 19, 2001Hi, guru,
How can I Change all rows into columns from one table? what method can make it easy?
Thank you very much
Tony
Change Capitalization In Sql Table Column
Apr 10, 2007I have some data that was entered in the DB in ALL CAPS. I would like to reformat all the rows so that it follows the normal "Capitalization". What is the best way to do this? Shoud I create a console application to accomplish this or is there some way to do it natively in sql server 2005.
View 2 Replies View RelatedChange Table Column Width
Mar 14, 2000I know we could change the data type or width of a table column in SQl 7 database, but I am not certain if this column is a primary key. Can we change a primary key column width? If we can, how about this column as a foreign key in another table? Will it be automatically updated to the same width? Thanks in advance for your input.
View 1 Replies View RelatedChange Data In Column Of Table
Feb 24, 2014How to modify/change data that is in a SQL table column. Here is what I need or have
I have 2 tables, Table 1 and Table 2, within those 2 tables there is 1 Column that has the same column heading aswell as data within,(I will call it the serial_number column) there is also a 2nd column that is labeled the Same in both tables, I would like to be able to update the Values in the 2nd column of table 1 with the values from table 2 column 3, using the Serial_number column as my matching reference between the 2, the data is not in the same order between the 2 Tables,
More or less I need to set the value of table 1/column 2 to match table 2/column 3, where the serial_numbers are the same in both tables serial_number columns, the data being changed is set as Small int...
Change Value Of Column Mimetype In Table Data
Aug 23, 2013I have two tables:
dtr
dataid........Subtype
data
docid....mimetype
I need to change the value of column mimetype in table data, but only for these entries which have the value 144 in column "Subtype" in table dtr.
Here is my sql:
with cte as (
select
DataID,
SubType,
MimeType
from dtr A1, data A2
where A1.dataid=A2.Docid And A1.Subtype='144'
AND
A2.mimetype='application/news-message-id'
)
update cte set MimeType = 'application/x-outlook-msg'
I've tested it and it works. Do you see any problems with this SQL?
As updates are risky I'll do a database backup. Is it possible to get all changed entries so that I can track my update, because I don't have a report about the changes? Maybe that everythin is transferred to an output file?
Newbie-Alter Table To Change Column Name
Apr 22, 2008
I am modifying a table and some of the columns are changing. The following syntax is resulting in errors. What am I doing wrong?
ALTER TABLE [EDB].[SQL_test]
ALTER COLUMN EDBR_Nb EDBR_Nm varchar(10)
SQL Question: Change Column Names Of Temp Table In SP
Apr 21, 2004Hi,
I have a SP which returns a select query on a temp table so I get to choose column names
when I create the #table.
Can I determine column names myself based on the results of another query (in the SP)
before, or (preferably) after I create the #table and populate it.
My query is used to bind to a datagrid so I could use....
dataGrid.Columns[index].HeaderText and set it to a particular output parameter, but I want
to keep the code in the SQL.
Cheers
What Is The Best Practice To Change A Column's Data Type In A Very Big Table?
Dec 11, 2007
Hi All,
I am using SQL Server 2000 Enterprise Edition fully patched. Database is in Simple Recovery mode.
I need to change a column's data type from "int(4)" to "smallint(2)". I know for sure that there will be no data (precision) lost, because I know the possible values that this column could have.
My problem is that the table I am dealing with has 600,000,000 records in it. I dropped all indexes before I tried to alter the table. But still it is taking forever and filling up my 280GB disk with transaction log file.
I know that in Oracle, if I want I can turn off logging and do these kind of modifications relatively faster.
I was wondering if there is a way of disabling logging before running this alter command.
What is the best practice to handle a situation of this sort?
I appreciate your help.
Thanks in advance,
Sinan Topuz
Mass Table Structure Change For Column Order
Feb 26, 2008
Say you have an existing populated SQL 2005 database, with 700+ tables, and you want to just change the order of the columns inside every table. Short of manually building conversion scripts, anyone know an automated way to do this? I was thinking thru ways to do them all in one shot, and have tools like Erwin and DbGhost that could be used also. Basically moving some standard audit columns from the end of the tables to just after the PK columns.
Thanks, Bruce
Can't Change Datatype???
Jul 20, 2005Hello all,First of all, I must state that I'm new to SQL Server, but have been along-time software guy for quite some time. Please excuse the potentialsimplicity of the solution to my problem.I create a blank database (TestDB) under my server machine (SQL Server 2000Standard)... I then create a new table (Run_Number) with only one record init.Field(1): Next_Run_Number (bigint), identity w/ seed 1 and increment 1, nonulls, PKI can successfully save this new table to disk and everything seems fine...problem comes up when I go back into the table and change the datatype from(bigint) to (int). I try and save changes and I get the following errorprompt:'Run_Number' table- Unable to create index 'PK_Run_Number'.ODBC error: [Microsoft][ODBC SQL Server Driver]Invalid cursor stateI've checked and there's plenty of disk space available and the dbase is setto grow by 10% as necessary. Any ideas what could be going wrong? I'm ableto successfully make this change on my other machine running SQL Server 2000Personal. Thoughts?TIA!-J.C..
View 4 Replies View RelatedDatatype Change
May 10, 2007Hello
I'am trying to change a datatype from nvarchar(10) to nvarchar(50).
My database is a merge replication.
Is this possilbe to do without any major workload.
Dropping A Column
Apr 12, 2001Whats the quickest way to drop a column from a table with 1 million rows.
This is for SQL Server 6.5
Thanks for all the responses,
Chan
Best Way Of Dropping The Column
Oct 11, 2007Hi,
I have a table with multiple column and has millions of rows in it(say about 50 millions ) and its in production.
What is the best way of dropping the a column from the table without impacting the systems performance. Remeber this table will be used some application to get some data out of it.
~Mohan
SQL 2012 :: Change Properties Of A Table Which Have Filestream When Column Added To It
Dec 6, 2014I store files in db in sql server 2008 by filestream. But when a column would be added to table which have filestream, properties of table would be changed. by every things change on table, retrieve files will faced to error. but store process work probably.
and filestream filegroup at following address will be empty. why?
Right click on table --> properties --> storage --> filestream filegroup
Update On Large Table - Change Data Type For Text Column
Dec 10, 2014I need to update a large table, about 55 million rows, without filling the transaction log, in the shortest time as possible. The goal is to alter the table and change the data type for Text column from VARCHAR(7900) to NVARCHAR(MAX).
Since I cannot do it with an ALTER TABLE statement (it would fill up the transaction log) I'm thinking to:
- rename column Text in Text_OLD
- add Text column of type NVARCHAR(MAX)
- copy values in batches from Text_OLD to Text
The table is defined like:
create table DATATEXT(
rID INTEGER NOT NULL,
sID INTEGER NOT NULL,
pID INTEGER NOT NULL,
cID INTEGER NOT NULL,
err TINYINT NOT NULL,
[Code] ....
I've thought about a stored procedure doing this but how to copy values in batch from Text_OLD to Text.
The code I would start with (doing just this part) is the following, but maybe there are more efficient ways to do it, or at least there's a better way to select @startSeq in the WHILE loop (avoiding to select a bunch of 100000 sequences and later selecting the max).
declare @startSeq timestamp
declare @lastSeq timestamp
select @lastSeq = MAX(sequence) from [DATATEXT] where [Text] is null
select @startSeq = MIN(Sequence) FROM [DATATEXT] where [Text]is null
BEGIN TRANSACTION T1
WHILE @startSeq < @lastSeq
[Code] ....
Transact SQL :: Unable To Change Column Order Of Existing Table In Server
Jul 23, 2015In y sql server table has millions of records available. I don't want to drop the tables.
My requirement is I want to change the column order of an existing table. some tables I am able to saving on design window Like Below image.
Even I had generate a script and using that script trying to execute on Management Studio but unable to saving the new column orders. I am getting the Timeout expired error after couple of minutes. How can we save the orders without dropping the table !
Change Datatype Values - From INT To MONEY
May 10, 2015I am running Microsoft SQL Server 2012.
I had created a database named "Company-Data" that contains a table named "tblStock". This table contains several columns such as ID, Product, Quantity. The datatype for the column "Quantity" is INT.
I had entered 100 records to the table, now I want to change the datatype for the column "Quantity" from INT to MONEY.
How can we do this without loosing the data that has been entered the the column previously.
Dropping The Identity Propert From A Column
Feb 10, 2003Hi,
I'm creating a VB program that does some DB manipulations.
I need a programmatic to drop the Identity property (not the column data) so that the field will be just an Integer with the old data...
It seems like the only way is the EM way (creating a temp table with no identity on the column, copying the data into it, deleting the old table, and re-naming the temp...)
I'm looking for a more inovative way, or possibly a way to automate the process (so I'll be able to do this for all tables in a database in a modular way).
Thanks a bunch
Moshe
Change Owner User Defined Datatype
Jan 12, 2006Hello, We had a developer that created some user defined data types. He is no longer with our company and we want to change owner of those user defined data types so we will be able to delete his UUID. Is their a way to change the owner of the user defined data types from his ID to dbo. I don't see a way to change them with sp_changeobjectowner
Thanks in advance
Jef Wain
Change Datatype From Varchar To Bigint Not Working
Nov 14, 2007Hello,
I would like to change the datatype on a particular column from varchar to bigint across 100's of tables within a database.
I have the command ready which is:
ALTER TABLE tablename ALTER COLUMN columnname BIGINT
The problem happening is that it seems there are constraints across all the columns in every tables.
The error message is:
Server: Msg 5074, Level 16, State 1, Line 1
The object 'DF__tablename__columnname__0ABD916C' is dependent on column 'columnname'.
Server: Msg 4922, Level 16, State 1, Line 1
ALTER TABLE ALTER COLUMN columnname failed because one or more objects access this column.
I understand that if I delete this constraint, then it will let me modify the datatype of the column, but since there are tons of them and they are randomly named, how do I achive changing the datatype across multiple tables in bulk.
SQL 2012 :: Change Datatype Of Ntext Fields
Jun 29, 2015What would be the best process to change the datatype of ntext fields.
I assume just changing the datatype - is not the way to go?
Transact SQL :: Find Unmatching Columns Between Two Tables While Applying A Change Column Prefix Table
Nov 16, 2015For our ETL process, we maintain a TransformationList table that has the source view and the destination table. Data is copied from the view into the table (INSERT INTO). I am trying to find column names in the Views that are not column names in the associated Table.
In the below example, want to end up with three records:
1, View1, Column4
2, View2, Column4
2, View2, Column5
I have it almost working, except that there is a table, ChangeColPrefix table, that is used by the ETL process to change some of the view's column name prefixes. Some of the source views have column names with prefixes that do not match the destination table column names. Say view SouthBase has all the column names prefixed with SB - like SBAcct, SBName. And the Destination table of Area District has ADAcct, ADName. There would be a row in the ChangeColPrefix for SouthBase, SB, AD, 1, 2 that would be used by the ETL process to create the INSERT INTO Area District From SouthBase.
I need to use this ChangeColPreifx to find my unmatching columns between my source views and destination tables. With out that table SBAcct and SBName from SouthBase will not appear to match the columns of ADAcct and ADName, but they do match.
I want to end up with these three records as non-matching:
View1, Column4
View2, Column4
View2, Column5
View1 has Salumn2 and View2 has Salumn5, and they must be changed to Column2 and Column5 as per the ChangeColPrefix table before running the Select from INFORMATION_SCHEMA.COLUMNS EXCEPT Select from INFORMATION_SCHEMA.COLUMNS looking for unmatched columns.
/***** Set Up Test Data *****/
-- Create 2 test views
IF EXISTS(SELECT * FROM sys.views WHERE object_id = OBJECT_ID(N'[dbo].[View1]'))
DROP VIEW dbo.[View1]
GO
CREATE VIEW View1
AS SELECT '1' AS Column1 , '2' AS Salumn2 , '4' AS Column4;
[Code] ....