Changing Datatype From Char To Datetime
Jul 20, 2005
I am trying to run the following query:
ALTER TABLE dnb_profile
ALTER COLUMN [family update date] datetime
and I keep getting the following error:
Server: Msg 242, Level 16, State 3, Line 1
The conversion of a char data type to a datetime data type resulted in
an out-of-range datetime value.
The statement has been terminated.
Can anyone tell me how I can do this successfully??
Thanks,
Connie Sawyer
Foley & Lardner
Join Bytes!
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Sep 17, 2003
Database is SQL Server 2000
I have a field in a table that stores date of birth. The field's datatype is char(6) and looks like this: 091703 (mmddyy). I want to convert this value to a datetime datatype.
What is the syntax to convert char(6) to datetime?
Thank you in advance.
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May 1, 2005
I accidently put char instead of datetime in the Sql Server DateCreated
dataType. Is there any way that now I can change. I guess even if I
change I cannot get the time and date in a format that I want since
they are in Char datatype.
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Mar 2, 2007
Thanks in adance
Platform: SQL 2000
A SQL table has a field named "pay-day" with Char(8) data type.
I tried to change its data type to datetime but only with an error message like this. I did right-click the table and tried to modify a data type.
- Unable to modify table.
The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.
The statement has been terminated.
Jay
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Jul 20, 2005
Hi,I have a text file that contains a date column. The text file will beimported to database in SQL 2000 server. After to be imported, I wantto convert the date column to date type.For ex. the text file look likeName dateSmith 20003112Jennifer 19991506It would be converted date column to ydm database in SQL 2000 server.In the table it should look like thisName DateSmith 2000.31.12Jennifer 1999.15.06Thanks in advance- Loi -
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Jun 4, 2008
Hi all,
There are several columns called enabled with a char datatype in my database. One enabled column per table. These columns either have a value of T or F (true or false), depending on whether they're enabled or not. I want to change these columns to a bit datatype and insert the relevant value of true or false...
I guess the best way to do this is to add a new column to a table with a bit datatype, and based on the value in the current enabled column, insert TRUE or FALSE.
Anyone ideas on the best way to accomplish this?
Thanks.
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Oct 25, 2000
here is my problem:
i have a variable @sid_x as binary(16) = 0x4CF254AB0BA5D411AA3E00508BC5C413
and i want to use it as argument in sp_addlogin statement.
select @sqlcmd = 'sp_addlogin "test", @sid = ' + @sid_t
/* this doesn't work, because @sid_t is binary... */
select @sqlcmd = 'sp_addlogin "test", @sid = ' + convert (char (20), @sid_x)
/* this doesn't work either, because it doesn't convert to binary text */
my question, is there any way i can get @sid_x in follow text format
0x4CF254AB0BA5D411AA3E00508BC5C413 ?
Thanks a lot!
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Jul 12, 2007
I'm designing a database that will not be that large (I would be surprised if it ever surpassed 50,000 rows across all tables), but will be accessed quite often, so I am doing my best to optimize its structure, such as doing 3NF, selecting appropriate data types, etc.
I have a few columns that will contain numeric data (such as an invoice number (from an external source) or location ID). However, one of my classes in college was about database design, and we were taught that if you won't be doing mathmatic computation on a field (such as the invoice or location fields I mentioned earlier), then you should use a string literal type (char, varchar, etc.)
Unfortunatly, the professor did not explain much as to why this should be done. From the standpoint of semantic analysis, these types of fields are probably more labels than they are numbers. However, I don't find that very convincing (or even helpful).
In short, my question is that given a column holding numeric data that isn't worked on in a mathematical sense, is it really better to mark it as a string literal than a number? Any articles or studies I can read relating to this?
I would think that comparisons would be faster with int, as well as data storage (though, as mentioned, that's not as big of a concern). Sadly, Google doesn't have many helpful resources. (Lots of stuff on char vs varchar, though.)
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Dec 31, 2003
Hi,
I read the topic from JROdden and this case is similiar but...
I got several varchar fields with
values like
1.2
1.3
... these I can covert with
select CONVERT(dec(5,2), fieldname) as fieldname
In fact I also solved undefined- and NULL-values with.
CONVERT(decimal(12, 2), CASE WHEN GESCHKOSTMAX IS NULL OR
GESCHKOSTMAX < '0' THEN '0' ELSE GESCHKOSTMAX END) as GESCHKOSTMAX,
But now there are values like
1,4 and these ones neither CONVERT nor CAST will handle.
I tried the
SELECT DISTINCT KMPAUSCHALE
FROM extr_INTFIRMA
WHERE (isnumeric(KMPAUSCHALE) = 1)
and get
0,40
0.25
0.30 and so on...
The error is:
[Microsoft][ODBC SQL Driver][SQL Server]Error converting datatype varchar to decimal. (or float or numeric (whatever I tried))
I think the easiest way would be to insist on higher data quality but
I also would like to solve this interesting challenge.
Thanks for any hints
By the way, I followed rudys link to
http://rudy.ca/afdb.html
and now I know how I could protect myself !!!!
There must be a voice in my head saying:
Try the db-forum, try it and stay happy... ;-)
best regards and have fun with new year eve.
Michael
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Jan 9, 2006
Hi All:
I am new to Sql 2000 database,Now I'm planing to create a table in my databse,my table included below fields like this :
PoNo(the length is 15 characters) ,Supplier Name(the length is 50 characters).etc
but I don't how to select the datatype for them. should I select Char or VarChar ?
which one is the best slection ?
thans in advanced!
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May 29, 2015
How can I get time difference of the following record :
STARTTIME ENDTIME
3:30 PM 4:30PM
7:30 PM 8:30PM
I have tried it by below query,
SELECT CONVERT(TIME,STARTTIME,108) - CONVERT(TIME,ENDTIME,108) FROM BATCH_MASTER
but it gives following error message
[color=red]Operand data type time is invalid for subtract operator.[/color]
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Aug 11, 2004
Hello all, I'm using SQL Server 2000 and have about 250 stored procedures that use an EMPLID parameter or variable of type varchar with a length of 4. I need to change the length to 10 instead and would like to do so without having to open every sp for editing. Is there a way to do this through SQL Server 2000? Does anyone have a script to do this? Any help would be appreciated.
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Apr 19, 2008
Hi I have a table, which contains Char and NChar NOT NULL columns
Now I need to change it to NULL, when I use the following command, it fails for the following error,
The command I used,
ALTER TABLE <TableName>
ALTER COLUMN <ColName> CHAR NULL
ALTER TABLE <TableName>
ALTER COLUMN <ColName> NCHAR NULL
Msg 8152, Level 16, State 13, Line 1
String or binary data would be truncated.
The statement has been terminated.
But for the same table, the below command executes fine,
ALTER TABLE <TableName>
ALTER COLUMN <ColName> SMALLINT NULL
Also I can change the NULLABILITY from NOTNULL to NULL using Enterprise Manger, editing the table using Table Design and selecting Allow Nulls option.
I need a script to accomplish this task.
Any help would be greatly appreciated.
-Senthil
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Apr 11, 2004
Hello,
I have made a slight error in my SQL2000 database and have found this out with 10000 plus records under my belt.
I have a field called Char with entries 12mid and 12noon. I need to convert these to Datetime. All records convert OK except these two.
I am using DTS to transfer records form old table to new table. How do I write a procedure (or something) to enable conversion of the records 12mid and 12noon to 12am and 12pm.
Thanks
Goong
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Mar 28, 2004
Hi,
I have DB2 date value 00000000. If I'm exporting to SQL server using openquery that is automaticaly converting to char of 8 and stored as the same value 00000000.
My question is how I can convert them as datetime value in SQL server 2000.?
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Sep 14, 1998
Everytime I run a simple convert statement, from char to datetime, it works but when I use the `Select Convert(datetime, BeginDate)` in an insert statement it complains with a syntax error on the conversion from char to datetime. E.g.
Insert Into AlaskaData2( CurrIssueDate, InactivationDate)
select Convert (Datetime, CurrIssueDate) CurrIssueDate,
Convert(Datetime, InactivationDate) InactivationDate
from Alaskadata1
go
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Jul 3, 2001
Have a requirement to:
Convert char(7) YYYY-MM variable (eg. '2001-07') to both:
datetime '2001-07-01 00:00:00.000' and
datetime '2001-07-01 23:59:59.997'
thx in advance!
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Feb 6, 2007
Hi all,
I need to convert a char (a) to datetime in the following query:
select *
from table1
where convert (a, datetime) > '01/31/2007'
this query does not work :(
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Jul 23, 2005
Hi all,Would anyone know a way to convert a char(10) in format 'm/d/yyyy' to'mm/dd/yyyy', so I can convert the column to datetime format.Thanks
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Nov 23, 2006
i have another problem.and it's now on converting a char(4) to datetimehere is the situationJ_TIM < F_TIMJ_TIM is datetime while F_TIM is char of 4exampleJ_TIM = 20:30F_TIM = 2030how can i convert F_TIM to datetime so that i can compare them.???thanks
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Nov 15, 2006
I have a Database which is having a Counterdate time Column stored in the form of Char(24)
But i need it to be in form of datetime so that i can use the datetime functions on it..When i use the cast or convert inside the function where i am passing this character it gives me error
"Conversion failed when converting datetime from character string."
I am done all permutatiions and combinations for this used
Set @DE = convert ( datetime, @ts,121)
Set @de = cast( @ts as datetime)
BUT ALWZ give me same error.... also when i copy the whole of the data table into some other database the error doesnt come.. i converts the character into the datetime..
I DONT understand why the Server is behaving wiered..
Hoping to get an answer soon.
With regards
Sharad
Database Developer ,
UIC
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Jan 24, 2002
Hello everyone, I have searched and seached for an answer to something that I know has to be simple but have been unsuccessful. I appreciate any help...
I am trying to take a char (6) column named col001 and convert it to datetime.
The column is in mmddyy format. I am using SQL 2000, but have available sql 7.0 servers if there is a difference. I expect that I have to write a cursor but have been unable to get the correct syntax. Thanks everyone
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Feb 14, 2006
on a column DateNew = DateTimei am trying :INSERT INTO [dbo].[Users] (DateNew) VALUES ('2003/01/31 10:04:14')and i get an error :conversion of char data type to datetime data type resulted in an out of range datetime valueI had never this error before , do you know why ?i must enter a yyyy/mm/dd format because this database will be used for Fr and Us langagesthank you for helping
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Jan 22, 2007
hello all, I am having a problem calculating the difference, in days, between two dates, STARTDATE and ENDDATE. The data is stored in the database as char(8), formatted YYYYMMDD. "Null" values are stored as '00000000'. When I try to use DATEDIFF an exception is thrown: "the conversion of a char data type to a datetime data type resulted in an out-of-range datetime value" How can I fix this, and a get a result even if STARTDATE or ENDDATE is '00000000'? Changing the format of the stored data is not an option. Thanks for any assistance. Mike CREATE TABLE dbo.DATETIME1 (ID1 int,STARTDATE char(8),ENDDATE char(8))INSERT into DATETIME1 (ID1, STARTDATE, ENDDATE)VALUES (1, '20070105', '20070108')INSERT into DATETIME1 (ID1, STARTDATE, ENDDATE)VALUES (2, '20070105', '00000000')Select * from DATETIME1Select DATEDIFF(d, STARTDATE, Convert(datetime,ENDDATE) ) as Difference from DATETIME1 WHERE ID1 = 1
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Dec 17, 2007
I'm trying to convert a char(24) column to the datetime format. This is my query:
select CONVERT(datetime, [Date], 121) from Table
The date in the char(24) column has this format: 2007-12-14 14:45:31.735
When executing this statemant it says it cannot convert this char to datetime. But when I execute this statement, it works:
select CONVERT(datetime, '2007-12-14 14:45:31.735', 121) from Table
What am I doing wrong?
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Dec 2, 2006
Hello I am having a table
table1
col1 (bit)
and i want to changethe col1 type for smallint
col1 (smallint)
true will be = 1
and false = 0
how can i do it ??
thank you
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Jul 20, 2005
Hi all,I need to change a varchar from 35 to 50. In the SQL Server books online it says that SQL Server actually creates a new table when youchange the length. I ran a test in a test database and it appears theonly thing that changes is the length. All the data remains in tact.The table with the column I want to modify is very critical. Is thereany chance I would loose data if I change the length to a larger size? Iam making a back up of the table just in case. Thanks,Kelly
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Jan 28, 2008
update tblPact_2008_0307 set student_dob = '30/01/1996' where student_rcnumber = 1830when entering update date in format such as ddmmyyyyi know the sql query date format entered should be in mmddyyyy formatis there any way to change the date format entered to ddmmyyyy in sql query?
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Oct 27, 2003
Hi guys,
Is there any way or method to CHANGE the DATATYPE of a column in a published table being used for transactional replication (MSSQL 2000), WITHOUT DROPPING THE SUBSCRIPTION ????
Im stuck in this mess and do have the option to drop the subscription, alter the table, create the subscription and rerun the snapshot or to recreate it by Manual Synchronisation either.
Can anyone help? Has anyone been across this dilemma before and have troubleshooted the problem? If yes, help is much appreciated.
MY PROBLEM:
~~~~~~~~~~~~~
'MyTable' is currently being published and has subscriptions to it. The PRIMARY KEY column 'id' has an Identity property as well. 'id' is of datatype smallint, however because of bad planning, i now need to change that datatype to an integer to support a larger range WITHOUT DROPPING SUBSCRIPTIONS.
I CANT DROP THE COLUMN EITHER AS IT IS BEING THE PRIMARY KEY COLUMN.
IS THERE ANY OTHER WAY I CAN DO TO ARCHIEVE MY GOAL? THANKYOU.
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Feb 28, 2002
Changing datatype in a table used for merge replication ?
I'm trying to change the data type on a column in a table that is used for a merge-replication with another (identical) DB.
I get this error:
Cannot alter the table '[Tablename]' because it is being published for replication.
I've tried to remove that specific table from the publication (Publication properties -> Articles tab) so I can change the data type and then put the table back into the publication, but I can't (probably because it's a MERGE rep.)
Any ideas ?
/CN
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Oct 15, 2015
I am trying to make the following update: All the columns are fine except for the 'name' column. datatype for 'name' column in the target table is varchar(30) and the datatype for 'name' in the sourcetable is varchar(40), I cannot change the datatype of the column 'name' to varchar(40) because I am told it may affect performance. what I want to do is just update the first 'name' column of the target table by the first 30 characters of the source table column 'name'
I am using the following query, is it possible to do it or are there any other ways I can update the column without changing the datatype?
MERGE INTO [S].[dbo].[AF_Copy] AS TargetTable
USING (SELECT source_code, name, addr1, city, zip FROM
[D].[D_TEST].[dbo].[SO_Copy]) AS SourceTable
ON ([TargetTable].[Code] = [SourceTable].[source_code])
[code]...
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May 20, 2015
I have a field in a table
FormID nvarchar(6)
i want to change the length of the datatype to nvarchar(8).
what is the best way to do with out dropping the table?
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Oct 23, 2007
Can you compare chars stored as ccyymmdd correctly?
Field1>=field2
I was thinking you needed to cast this information as a datetime value before you could do it.
Thanks
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