Transact SQL :: Nvarchar (max) Not Storing Whole Data
Nov 11, 2015
select name from sampletext where id=1
Value under the column name where id=1 is:- uhfhdajkfahgfiasfhgafahsfiahfiahfsai......(upto 600000 characters)
The value under the name column is more than 600000 characters. When i am using the following logic it is storing upto 72000 characters, not reading the whole value under the 'name' column.
Code:-
declare @s1 nvarchar(max)
declare @substr nvarchar(max)
set @s1 = (select name from sampletext where id=1)declare @i int
declare @i int
DECLARE @j int
[Code] .....
Is there a way to get whole characters under a column instead of storing limited characters?
This is a common error for SQL Server, but I got it in a uncommon way.I have a table called - tblIDNumber where there are two columns - IDN_Number [NVarchar(200)] and Temp [BigInt]
If I run, SELECT * FROM dbo.tblIDNumber WHERE IDN_IDNumberTypeStaticValue = 33 AND IDN_Removed = 0 AND CAST(IDN_Number AS BIGINT) = 1
SQL Server give me the error: Msg 8114, Level 16, State 5, Line 1 Error converting data type nvarchar to bigint.
I first thought IDN_Number in type 33 has characters, but it doesn't, becasue the below query works!!!
UPDATE dbo.tblIDNumber SET Temp = CAST(IDN_Number AS BIGINT) WHERE IDN_IDNumberTypeStaticValue = 33 AND IDN_Removed = 0
To workaround, I ran the query,
UPDATE dbo.tblIDNumber SET IDN_Number = '123' WHERE IDN_IDNumberTypeStaticValue = 33 AND IDN_Removed = 0
and then I ran the first query, and SQL Server does NOT give me the same error - Msg 8114, Level 16, State 5, Line 1 Error converting data type nvarchar to bigint.
Second query approved there is nothing wrong from converting the value in IDN_Number to a BigInt, but the third query gave the hint that data might be the cause?????
finally, I found the root cause to be an index that the first query uses :
CREATE NONCLUSTERED INDEX [IX_tblIDNumber_Covering] ON [dbo].[tblIDNumber] ( [IDN_Removed] ASC, [IDNumberCode] ASC ) INCLUDE ( [IDN_Number], [IDN_Reference]) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 85) ON [PRIMARY] GO
If I remove the index, the first query works without the error.
In the following code I want to compare 2 values: AccessVal and SQLVal. The values are stored as nvarchars, so I'm isolating the numeric values in a subquery. Notice I'm only selecting 1 row. The commented line, where I compare the values, is throwing the error.
SELECT QA_AutoID, AccessVal, SQLVal ,ROUND(ABS(CONVERT(float, AccessVal,1)),0) as AccessFloat ,ROUND(ABS(CONVERT(float, SQLVal,1)),0) as SQLFloat FROM QA WHERE QA_AutoID in ( SELECT TOP 1 QA_AutoID FROM QA WHERE ISNUMERIC(SQLVal) = 1 AND ISNUMERIC(AccessVal) = 1 ) --AND ROUND(ABS(CONVERT(float, AccessVal,1)),0) <> ROUND(ABS(CONVERT(float, SQLVal,1)),0) ORDER BY ROUND(ABS(CONVERT(float, AccessVal,1)),0) DESC ,ROUND(ABS(CONVERT(float, SQLVal,1)),0) DESC
Here is the output with the comparison commented out...
Here's what I get with the comparison line activated:
I've tried converting to numeric, int and bigint instead of float. I've tried CAST instead of CONVERT. Nothing works.
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SELECT P.ProductID, P.Name, PC.Name AS [Product Group], LP.Name AS [Loan Purpose], CASE WHEN LP.IsHMDAReportableFL = 0 THEN 'No' ELSE 'Yes' END AS [HMDA Reportable],
1. to display all parent with ORDER BY ItemOrder (no need to sort by ItemDate)
2. display all child row right after their parent (ORDER BY ItemOrder if ItemDate are same, else ORDER BY ItemDate)
3. display all grand child row right after their parent (ORDER BY ItemOrder if ItemDate are same, else ORDER BY ItemDate)
Below Query works perfect, when count of child or grand child count less than 10, as SortOrder column here is
NVARCHAR, ;With cte As (Select t.ItemId, t.ItemName, t.ItemDate, t.ParentItemName, t.ItemOrder, t.ReportId, Cast(t.ItemOrder As nvarchar(max)) As SortOrder From @TBL t Where t.ParentItemName Is Null
[Code] ....
The output rows with ItemOrder's 10, 11, 12 (test grand child 10, test grand child 11, test grand child 12) should display after ItemOrder = 9 (test grand child 9). I know this is happening due to varchar sort order?
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It used to only accept the 8 character version, but after increasing the field size, if I try to insert the 9 character field version, it gets truncated after the '-', as though it's still only allowing 8 characters. But that only occurs when I include the '-' or other such characters like '#'. If I try to insert 1234567a9, it works. The following explains the outcomes:
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Error Type: Microsoft OLE DB Provider for ODBC Drivers (0x80040E07) [Microsoft][ODBC SQL Server Driver][SQL Server]The sum or average aggregate operation cannot take a nvarchar data type as an argument. /data_count.asp, line 4
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I am working on a survey system with another DB Engineer.Our current design includes 1 table per Question Type (Numeric, Boolean, Text), Response values are tightly coupled based on data being entered, to keep things simple assume there are only 6 tables in this this system (1 for each Question Type to define the "rules" of the data entered, and 1 for each Response collection).He is a former .Net programmer and has been talking with the .Net guys on the project and he is proposing that we abstract our Question Types to use one table and store the Input Values all as nvarchar(max).This obviously simplifies the DB design and reduces the amount of work I will need to do so I should be all for it. I guess I am a little concerned that we are no longer tightly coupling the data types and essentially leaving all the validation up to the application. Also should I be worried that a bunch of bit data will be stored as 1/0 in an nvarchar(max) column?Thanks,-John
