Converting varchar to datetime where date field is missing

Hello Sir,
i have a column with varchar datatype values like '2013/12','2012/11' where date field is missing. i want to convert it as datetime at runtime so that i can use datetime related function. Is it possible for ms sql server 2008?
thanking you.

>> I have a column with VARCHAR data type values like '2013/12', '2012/11' where DATE field is missing. I want to convert it as DATETIME2(0) at runtime so that I can use DATETIME2(0) related function. Is it possible for MS SQL Server 2008? <<
The most important leg on a three-legged stool is the leg that is missing :) A DATE is made up of three fields; YEAR, MONTH and DAY. You gave no business rule for picking the DAY field, so this makes no sense.
Since SQL is a database language, we prefer to do look ups and not calculations. They can be optimized while temporal math messes up optimization. A useful idiom is a report period calendar that everyone uses so there is no way to get disagreements in the DML.
The report period table gives a name to a range of dates that is common to the entire enterprise.
CREATE TABLE Something_Report_Periods
(something_report_name CHAR(10) NOT NULL PRIMARY KEY
CHECK (something_report_name LIKE <pattern>),
something_report_start_date DATE NOT NULL,
something_report_end_date DATE NOT NULL,
CONSTRAINT date_ordering
CHECK (something_report_start_date <= something_report_end_date),
etc);
These report periods can overlap or have gaps. I like the MySQL convention of using double zeroes for months and years, That is 'yyyy-mm-00' for a month within a year and 'yyyy-00-00' for the whole year. The advantages are that it will sort with the ISO-8601
data format required by Standard SQL and it is language independent. The pattern for validation is '[12][0-9][0-9][0-9]-00-00' and '[12][0-9][0-9][0-9]-[01][0-9]-00' in the CHECK constraints.
--CELKO-- Books in Celko Series for Morgan-Kaufmann Publishing: Analytics and OLAP in SQL / Data and Databases: Concepts in Practice Data / Measurements and Standards in SQL SQL for Smarties / SQL Programming Style / SQL Puzzles and Answers / Thinking
in Sets / Trees and Hierarchies in SQL

Similar Messages

Converting varchar to datetime 103

Hi Guys
Im making a select query where in a colomn the date is yyyy-mm-dd, i need dd-mm-yyyy (103). A simple convert query does not work because the colomn is not set as a datetime but as a varchar. Its not possible to change the tables at the source.
The colomn name is DATE_IN
I think the following post could be helpfull but i dont know how to fix the given statements into the select query
http://stackoverflow.com/questions/1509977/convert-varchar-into-datetime-in-sql-server

> in a colomn the date is yyyy-mm-dd, i need dd-mm-yyyy (103)
As suggested above, this is string date format to string date format conversion, purely string operations.
If you convert to DATE / DATETIME first (universal internal binary representation), then it may fail if invalid date.
You can use the ISDATE or TRY_CONVERT functions to check if the string date is valid.
DATETIME functions:
http://www.sqlusa.com/bestpractices/datetimeconversion/
Kalman Toth Database & OLAP Architect
SQL Server 2014 Design & Programming
New Book / Kindle: Exam 70-461 Bootcamp: Querying Microsoft SQL Server 2012

Converting Varchar to DateTime

I need to convert a varchar column currently holding date and time to a proper datetime field.
Example of the current view
CRIS_Date
05/02/2014 1130
03/02/2014 1105
05/02/2014 1145
03/02/2014
05/02/2014 0930
After
05/02/2014 11:30
03/02/2014 11:05
05/02/2014 11:45
03/02/2014
05/02/2014 09:30

Another method with STUFF:
You know, its not a good design storing your date time value in a varchar datatype. The best and first thing you should do is to change the varchar datatype to datetime datatype.
create table #temp
date_col varchar(100)
insert #temp select '05/02/2014 1130'
insert #temp select '03/02/2014 1105'
insert #temp select '05/02/2014 1145'
insert #temp select '03/02/2014'
insert #temp select '05/02/2014 0930'
Select date_col as 'before',case when len(rtrim(date_col))>10 then STUFF(date_col,14,0,':') else date_col end 'after' From #temp
Drop table #temp

Not converting anything but get error: "Conversion failed converting varchar value 'X' to data type int"

I have created the following trigger that fires instead of an UPDATE statement and copies the altered data over to an Audit table before proceeding with the requested UPDATE. After doing so, I wrote a simple UPDATE statement for testing:
UPDATE Products
SET ProductCode = 'XYZ 2014', ProductName = 'Special Edition Tamborine', ListPrice = 74.99, DiscountPercent = .5
WHERE ProductID = 28;
When I run this, I get the following message:
Msg 245, Level 16, State 1, Procedure Products_UPDATE, Line 14
Conversion failed when converting the varchar value 'X' to data type int.
Here is my trigger:
IF OBJECT_ID('Products_UPDATE') IS NOT NULL
DROP TRIGGER Products_UPDATE; -- LINE 14
GO
CREATE TRIGGER Products_UPDATE
ON Products
INSTEAD OF UPDATE
AS
DECLARE @ProductID int, @CategoryID int, @ProductCode varchar, @ProductName varchar,
@Description varchar, @ListPrice money, @DiscountPercent money, @DateUpdated datetime
BEGIN
SELECT @ProductID = ProductID, @CategoryID = CategoryID, @ProductCode = ProductCode,
@ProductName = ProductName, @Description = Description, @ListPrice = ListPrice,
@DiscountPercent = DiscountPercent, @DateUpdated = GetDate()
FROM deleted;
INSERT INTO ProductsAudit
VALUES (@ProductCode, @CategoryID, @ProductCode, @ProductName, @ListPrice,
@DiscountPercent, @DateUpdated);
SELECT @ProductID = ProductID, @CategoryID = CategoryID, @ProductCode = ProductCode,
@ProductName = ProductName, @Description = Description, @ListPrice = ListPrice,
@DiscountPercent = DiscountPercent, @DateUpdated = GetDate()
FROM inserted;
UPDATE Products
SET CategoryID = @CategoryID, ProductCode = @ProductCode,
ProductName = @ProductName, Description = @Description,
ListPrice = @ListPrice, DiscountPercent = @DiscountPercent
WHERE ProductID = (SELECT ProductID FROM inserted)
END
I am confused a bit by (1) the location of the error and (2) the reason. I have looked over my defined data types and they all match.
Could someone offer a second set of eyes on the above and perhaps guide me towards a solution?
Thank you.

This is an issue in this trigger. It will work for single record updates alone. Also for your requirement you dont need a INSTEAD OF TRIGGER at all.
You just need this
IF OBJECT_ID('Products_UPDATE') IS NOT NULL
DROP TRIGGER Products_UPDATE;
GO
CREATE TRIGGER Products_UPDATE
ON Products
AFTER UPDATE
AS
BEGIN
INSERT INTO ProductsAudit
SELECT ProductID,
CategoryID,
ProductCode,
ProductName,
ListPrice,
DiscountPercent,
GetDate()
FROM deleted;
END
Now, in your original posted code there was a typo ie you repeated the column ProductCode twice
I think one should be ProductID which is why you got error due to data mismatch (ProductID is int and ProductName is varchar)
see below modified version of your original code
IF OBJECT_ID('Products_UPDATE') IS NOT NULL
DROP TRIGGER Products_UPDATE; -- LINE 14
GO
CREATE TRIGGER Products_UPDATE
ON Products
INSTEAD OF UPDATE
AS
DECLARE @ProductID int, @CategoryID int, @ProductCode varchar, @ProductName varchar,
@Description varchar, @ListPrice money, @DiscountPercent money, @DateUpdated datetime
BEGIN
SELECT @ProductID = ProductID, @CategoryID = CategoryID, @ProductCode = ProductCode,
@ProductName = ProductName, @Description = Description, @ListPrice = ListPrice,
@DiscountPercent = DiscountPercent, @DateUpdated = GetDate()
FROM deleted;
INSERT INTO ProductsAudit
VALUES (@ProductID, @CategoryID, @ProductCode, @ProductName, @ListPrice,
@DiscountPercent, @DateUpdated);
SELECT @ProductID = ProductID, @CategoryID = CategoryID, @ProductCode = ProductCode,
@ProductName = ProductName, @Description = Description, @ListPrice = ListPrice,
@DiscountPercent = DiscountPercent, @DateUpdated = GetDate()
FROM inserted;
UPDATE Products
SET CategoryID = @CategoryID, ProductCode = @ProductCode,
ProductName = @ProductName, Description = @Description,
ListPrice = @ListPrice, DiscountPercent = @DiscountPercent
WHERE ProductID = (SELECT ProductID FROM inserted)
END
I would prefer doing it as former way though
Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs

Crystal reports converting varchar 254 to memo data type

Hi All,
We are still using Seagate Crystal Reports 7.5 for some of our reporting. I have a problem that hopefully someone can help with. One of our connections is to ODBC- AR System ODBC Data Source.
In that data source there are fields defined as varchar 254 (confirmed by DBA),
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This happened after the field names were renamed. I noticed when the newly named fields were not showing as an option to map the old name fields to- because by default it looks for same data type, after unchecking same data type option the fields showed for mapping but wrong data type makes them useless. I canu2019t even convert them to string with formula field.
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Thanks-

Hi,
Yup, this was a problem with versions prior to 10. If a field was longer than 254 characters, Crystal handled them like Memos and you cannot use them in formulas.
The only suggestion I can offer would be to upgrade. Crystal can now use memos in formulas and no longer has a 254 character limit on strings. So your charcter fields will remain as charater and not changed to Memos.
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Brian

In OBIEE rpd convert varchar to datetime

Hello,
Can anyone help one how can we convert a column that is set to varchar to datetime in obiee;
Suppose COLUMN_A is varchar and keeps value like '2008-12-30 10:11:22'
and we want to convert it DATETIME.
Thanks and Regards

use cast(column as TIMESTAMP)

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I try to create a variant to display this field but it' s impossible.
Could you please say me how I do?
I would insert the value date in MIRO.
BR.
Thanks.
Angela

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Hi,
A table is created. A date field is there in that table. I tried to create a table maintainance generator for this table using 2 screens. Table maintainance generator is created. But when I go to SM30 , I am unable to see this DATE field in the SM30 , in the first screen. But when I go to maintainance screen , I am able to see this field. This particularly happening with date field.
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Regards,
Satya

go to se11 and type the table what you want.
utilities, table maintenance generator.
you config the options that you need.
press F6 and go to sm30.
its only this.
Regards

Convert varchar to datetime in ssis

hi,
hox ca i convert 2012-09-20 08:50:05 which is in varchar(255) to a datetime 2012-09-20 00:00:00 with SSIS????

Yes sure you can convert it very easily.
using sql query:
Declare
@v varchar(255)
Set
@v =
'2012-09-20 08:50:05'
Select
convert(datetime,@v)
using SSIS:
right click on source transformation -->go to advance editor --> click on tab input output properties -->oledb source output --> output column -->
yourcolumnname --> on right you can see datatypes properties --> datatype --> change with database timestamp.
Please Mark as Answer if my post solved your problem or Vote As Helpful if this helps. Blogs: www.sqlserver2005forum.blogspot.com

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cheers
ram

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Hi,
BUT! I cannot say that it will increase. That means, I think the record number remains the same!
I do not think that this is Right?
for ex:
1)
Key fields:
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:Due On" date field missing while posting with Spl GL indicator for vendor

Hello,
I am facing a problen while posting a n entry with spl GL indicator in fb01, the issue is Due On date field is missing in the screen.
I am posting an spl GL transaction for a vendor thro FB01 and after entering the posting key 39, vendor code and spl Gl indicator in line item and in next screen, the "Due ON" date field is not appearing.
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Please help me on this.
Regards
Surya

Hello Surya,
To make field baseline date for payment (BSEG-ZFBDT) ready for input for
posting the down payment, the following Customizing setting is
necessary:
Financial Accounting -> Accounts Receivable and Accounts Payable ->
Business Transactions -> Outgoing Payments -> Automatic Outgoing Payment
-> Payment Method/Bank Selection -> Configure payment program -> All
company codes -> double-click on corresponding company code -> under
Customer -> 'Sp. G/L transactions to be paid' the letter A should be
entered.
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It is contolled by field attribute of screen painter (Tcd: SE51). If
you look at element attribute for "Due On" field, a flag for required
entry is activated. In this case, field status has no control over
the field.
As of release 3.1G, field BSEG-ZFBDT is hardcoded in most FI screens
to be mandatory and cannot be influenced by any field status
changes. This situation is only valid when posting with special G/L
indicator (ie PK 29/39).
SAP development team has determined that this is a critical field. The
reason behind this is that this special GL screen and the data entered
here are very important to many other programs. This data affects
liabilities and receivables where due date is necessary almost
everytime. Thus, we changed this field in this screen in order to
prevent problems in many other areas. The reason is explained further in
note 95079.
545944    FAQ, down payment, tax code, baseline date
above Field is controlled through SE51 only.
Tcode : SE51
Program (screen)     SAPMF05A
Screen number        304
Eliment list press display.
special attributes.
BSEG-ZFBDT - Required.
Other options are below.
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     o    Not possible
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         the screen element can only be used for outputs.
     o   Possible
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I hope above information will resolve your issue.
Kind Regards,
Fernando Evangelista

Crystal Data Conversion Issue (Error converting data type varchar to datetime)

Hi,
I can run stored procedure without error in SQL Server using my personal credentials as well as database credentials.
I can also run Crystal Report after connecting to Stored procedure without error on my desktop using my personal credentials as well as database credentials.
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I googled (Data Conversion Error Message) about this issue & lot of people asked to do "Verify Database" in Crystal Report. So I did that, but when I do it I am getting a error message like this:
Error converting data type varchar to datetime.
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Please help me with this issue.
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Naveen.

hello Naveen,
since the report works fine in the cr designer / desktop, we need to figure out where you should post this question.
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-jamie

Converting varchar to datetime where date field is missing

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