Transact SQL :: Existing Table Change To Support Multiple Rows?
Nov 4, 2015
Existing table structure is below:
Table name: Student
Columns in Student are below:
Student_Id
Subject_Id
Quarter
Col1
Col2
Combination of Student_Id, Subject_Id and Quarter columns is the primary key. One student can take one subject in a quarter. Now the new requirement is a student can take multiple subjects in a quarter. So need to add another table like below:
NEW table name: Student_Subject and
column are below:
Student_id
Subject_Id
Quarter1
All the above three columns combination is primary key.
After the new table Student_Subject created,
remove Subject_Id column
from Student table.
When the user clicks on a button after selecting multiple subjects and provide col1 and col2 data then one row gets inserted into Student table and multiple rows gets inserted into Student_Subject table.
Is there any other table design that satisfies one student can take multiple subjects in a quarter?
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Jul 23, 2015
In 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 !
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Apr 29, 2008
I know that this is legal sql: "SELECT 1 AS Blah"
I want to do something like this except for I need to select multiple rows each with a different value for Blah. The query needs to be legal to be passed to the SqlCommand.ExecuteReader Method. Is this possible?
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Oct 1, 2015
The objective is to identify orders where an order fee has been applied incorrectly. I have multiple orders per customer, my table contains an orderID and a customerID. Currently if the customer places additional orders before the previous orders have been closed/cancelled, then additional fees are being applied.
Let's say I'm comparing order #1 to order #2. I need to identify these rows where the following is true:-
The CustID is the same.
Order #2 has a more recent order date.
Order #2 has a FeeDate Before the CancelledDate of Order #1 (or Order #1 has no cancellation date).
So in the table the orderID:2835692 of CustID: 24643 has a valid order fee. But all the subsequently placed orders have fees which were applied before the first order was cancelled and so I want to update the FeeInvalid column with a 'Y'. The first fee will always be valid.
I think I understand why the code I am trying doesn't achieve the result I want but I can't figure out how to write it correctly. Below is one example of code I've tried and also code to create the table and insert some test data.
update t1
SET FeeInvalid = 'Y'
FROM MockData t1 Join MockData t2 on t1.CustID = t2.CustID
WHERE t1.CustID = t2.CustID
AND t2.OrderDate > t1.OrderDate
AND t2.FeeDate > t1.CancelledDate
CREATE TABLE [dbo].[MockData](
[OrderID] [float] NULL,
[code]....
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Jun 9, 2015
I have 5 tables that are joined respectively,
Each one of the tables listed below has a “CreateDateTime” and “UpdateDateTime” fields, I need to get yesterday changes, I can get any record where either CreateDateTime or UpdateDateTime is greater than midnight yesterday butI need to watch dates on all of the tables so I need to do atleast 10 date checks.
If any table shows an updated or created record, I need to gather ALL of the information for that customer. So, if my name didn’t change (SCUS table), but my email does (SEML table), I have to pull out both the SCUS and SEML tables (and the others, of course). So It may not be simple WHERE clause, How can I achieve this:
SELECT
SCUS.CUSFULLNAME
,
SCUS.CUSMIDDLENM
,
SCUS.CUSLASTNM ,
[Code] ....
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Jun 10, 2015
Matrix table has ID column and data below.
ID Flag TestDate Value Comment
111 2 12/15/2014 7.5 null
222 2 Null 10 received
Matrix_Current table could have 1 or multiple rows as below.
ID Flag TestDate Value Comment
111 2 01/26/2015 7.9
111 2 02/23/2015 7.9
111 2 04/07/2015 6.8
222 1 null 8 test comment 1
222 3 null 9 test comment 2
When I run below update
UPDATE AM
SET M.Flag = MC.Flag, M.TestDate = MC.TestDate,
M.Value = MC.Value, M.comment = MC.Comment
FROM dbo.Matrix M inner join dbo.Matrix_Current MC on M.ID = MC.ID
Matrix table has value below:
ID Flag TestDate Value Comment
111 2 01/26/2015 7.9
222 1 Null 8 test comment 1
I want to update Matrix table from all row from Matrix_Current, final table would like below:
ID Flag TestDate Value Comment
111 2 04/07/2015 6.8
222 3 Null 9 test comment 2
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Jun 30, 2015
I have a temp table with the following columns and data
drop table #temp
create table #temp (id int,DLR_ID int,KPI_ID int,Brnd_ID int)
insert into #temp values (1,2343,34,2)
insert into #temp values (2,2343,34,2)
insert into #temp values (3,2343,34,2)
[Code]....
I use the rank function on that table and get the following results
select rank() over (order by DLR_ID,KPI_ID,BRND_ID ) Rown,* from #temp
I am interested only in Rown and Id columns. For each Rown number, I need to get the min(ID) in the second column and the duplicate ID should be in 3rd column as shown below.If i have 3 duplicate IDs , I should have 3 rows with 2nd column being the min(id) and 3rd column having one of the duplicate ids in ascending order(as shown in Rown=6)
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Jul 16, 2015
We have control table which will be useful whether we need to start the job or not. If we are starting the Job we will make it to 1.
Below is the Table Structure.
Table Name IN_USE_FG
CUST_D 0
PROD_D 0
GEO_D 0
DATE_D 0
Now we have different packages for 4 tables data loading. These 4 packages will start at a time. Before going to load the data we have to make the Flag to 1 and after that we have to load it. Because of this we have written Update statement to update the Value to 1 in respective Package.
Now we are getting dead lock because we are using same table at a same time. Because we are updating different records.
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May 27, 2015
We are planning to convert or change all existing Traces to Extended Events in SQL server 2012. What is the procedure to convert custom traces. We have already created some below custom traces: like this we are planning to convert for all servers.
exec sp_trace_setevent @TraceID, 20, 23, @on
exec sp_trace_setevent @TraceID, 20, 8, @on
exec sp_trace_setevent @TraceID, 20, 12, @on
exec sp_trace_setevent @TraceID, 20, 64, @on
exec sp_trace_setevent @TraceID, 20, 1, @on
exec sp_trace_setevent @TraceID, 20, 21, @on
[code]...
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Apr 21, 2015
I have a table with single row like below
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Column0 | Column1 | Column2 | Column3 | Column4|
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Value0 | Value1 | Value2 | Value3 | Value4 |
Am looking for a query to convert above table data to multiple rows having column name and its value in each row as shown below
_ _ _ _ _ _ _ _
Column0 | Value0
_ _ _ _ _ _ _ _
Column1 | Value1
_ _ _ _ _ _ _ _
Column2 | Value2
_ _ _ _ _ _ _ _
Column3 | Value3
_ _ _ _ _ _ _ _
Column4 | Value4
_ _ _ _ _ _ _ _
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Aug 14, 2015
I have the following database structure
Stock Depth41 Depth12 Depth34
AAA 1 2 1
BBB 2 2 4
How can I show Each Depth column as seperate row
AAA 1
AAA 2
AAA 1 as follows
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May 21, 2008
I've create a partition function and a partion scheme for my database.
Now I would like to change an existing table to use these partition.
The table is replicated.
How can I do this?
Thanks
Markus
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Nov 20, 2013
I 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
)
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May 25, 2014
I have multiple number of rows i want to change into column wise. My data
PondCropDOCABWTargetABW
01PA01-18700.21
01PA01-18150.590.77
01PA01-18221.241.5
01PA01-18280.922.6
01PA01-18351.823.7
[Code] ....
I want the data should be like these
01PA01-18 01PA02-18 01PA03-18...206B15-01 Target ABW
Doc ABW Doc ABW Doc ABW Doc ABW
7 0 7 0 7 0 11 0.42 0.21
15 0.59 15 0.59 15 0.59 18 0.77 0.77
22 1.24 22 1.24 22 1.14 25 1.22 1.5
28 0.92 28 0.87 28 0.91 32 2.7 2.6
35 1.82 . . . . . . .
42 2.6 . . . . . . .
49 3.62 . . . . . . .
56 4.64
63 5.54
66 6.24
73 7.25
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Feb 15, 2005
i have 2 tables (both containing the same column names/datatypes), say table1 and table2.. table1 is the most recent, but some rows were deleted on accident.. table2 was a backup that has all the data we need, but some of it is old, so what i want to do is overwrrite the rows in table 2 that also exist in table 1 with the table 1 rows, but the rows in table 2 that do not exist in table one, leave those as is.. both tables have a primary key, user_id.
any ideas on how i could do this easily?
thanks
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May 21, 2008
Hi all,
I am trying to insert some new rows into an existing SQL table. The table name is Agt_table, and I want to add some data for some new agents into existing columns:
Agent name, agent code, phone number, fax number
Example -
I want to add the following record to my existing table Agt_table
Agent name: ABC Company
Agent code: 012345
Phone #: 555-555-5555
Fax#: 555-555-5555
How would I write the sql statement to do that?
Thanks so much!!!
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Sep 11, 2015
below is some code I use to identify where a patient has attended the ED department whilst also admitted as an Inpatient. This report works fine. However while most of the results are recording issues to be corrected some of them are real and as so can be excluded from the report.
Is there a way I can build in an exclusion table which would include:
SELECT
IP_ADMISSION.HeyNo AS HEYNo
,IP_ADMISSION.NHSNo2 AS NHSNo
,IP_ADMISSION.Forename AS Forename
,IP_ADMISSION.Surname AS Surname
,IP_ADMISSION.SourceAdmNatCode AS SourceAdm
[code]....
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Apr 23, 2015
I'm trying to rename a table with date suffix at the end of the table name, and drop the date suffix table which is greater than 7 days. for that I have the below sql, I have not included the drop syntax in this.
I'm not able to rename with the date suffix in the below sql, syntax error at '+'
DECLARE
@TPartitionDate date
IF EXISTS (SELECT * FROM sysobjects WHERE Name = 'IIS_4')
BEGIN
SELECT
@TPartitionDate = MAX(PartitionDate)
FROM PartitionLog (NOLOCK)
EXEC sp_rename 'IIS_4','IIS_4_'+ @TPartitionDate
END
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Apr 30, 2015
I have a table Transaction that looks something like the following :
TransactionID
Currency Credit Debit
1 USD 500 0
2 Afcu 6000 0
[Code] ....
I write query like this
select SUM(credit)-SUM(Debit)as [Balance] ,Source from Transaction group by Source
And it came like
Balance Source
1500 USD
6000 Afcu
6800 INR
7000 Pfc
-200 AUD
But I also want to add Afcu , Pfc with USD and want output like
Balance Source
14500 USD
6800 INR
-200 AUD
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Jul 24, 2015
I have a SQL script to insert data into a table as below:
INSERT into [SRV1INS2].BB.dbo.Agents2
select * from [SRV2INS14].DD.dbo.Agents
I just want to set a Trigger on Agents2 Table, which could delete all rows in the table , before carry out any Insert operation using above statement.I had below Table Trigger on [SRV1INS2].BB.dbo.Agents2 Table as below: But it did not perform what I intend to do.
USE [BB]
GO
/****** Object: Trigger Script Date: 24/07/2015 3:41:38 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
[code]....
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Dec 24, 2007
Hey Guys
i need to add a datetime column to an exisitng table that has like 1.2 million records and its being accessed frequently
but i cant afford to stop the db at all
whenever i do : alter table mytable add Updated_date datetime
it just takes too long and i have to stop executing the query after a couple of mins
I am running sql express 2005 sp2. db size is over 3 gb but still under the 4 gb limit
can u plz advice on how to add this column. its urgent!!
thanks in advance
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Nov 8, 2015
I am new to use MERGE statement. The MERGE cannot find any match Cardnumber in the target table. It inserts row into an existing row on the target table causing SQL rejected with duplicate key not allowed. The CardNumber is defined as a primary key on the target table with no duplicate allowed. Below snippet stop when MERGE insert a row exists on the target. The source table contains multiple rows with the same Cardnumber because it is a transactional table with multiple redemptions.
If MERGE cannot handle many (source) to one (target) relationship, what other method that I can change to in order to update the target GiftCard table which keeps track of gift card balance?
Below is the error message:
Msg 2627, Level 14, State 1, Line 5
Violation of PRIMARY KEY constraint 'PK_GiftCard'. Cannot insert duplicate key in object 'dbo.GiftCard'. The duplicate key value is (63027768).
The statement has been terminated.
DDL of the target table:
CREATE
TABLE [dbo].[GiftCard](
[CardNumber] [varchar](50) NOT NULL,
[Year] [int] NULL,
[Month] [int] NULL,
[Period] [int] NULL,
[TransAmount] [decimal](10, 2) NULL,
[Code] ....
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Jun 15, 2015
I'm trying to add random dates to date column in existing table, but these need to be week days (Mon-Fri).I'm a beginner in TSQL, worked with MS Access many years - in Access I used to do something a bit different:
DateAdd("d",(Int((5*Rnd([ID]))+1)),#31/08/2015#)
Table had ID, I gave a date it would start from (31/08/2015) and then range of ID to apply new date:
UPDATE table1 SET table1 .date = DateAdd("d",(Int((5*Rnd([ID]))+1)),#31/08/2015#)
WHERE (((table1 .ID) Between 1 And 5456));
This was applying random dates in range of 31/08/2015 + 5 days, so I could give a starting date of Sunday to get random dates populated over given IDs from Monday to Friday.Now, how can I do it in TSQL?I have a table with ID and dates column. I would like to apply new random dates from some range, but making sure they will be week days.
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Jul 14, 2015
I have a table with 100 rows, 1 field (ID), and I would like to write a query to output it as 4 rows, and 25 columns.
Row data
ID
1
2
3
4
5
6
7
8
9
...
98
99
100
Output will be like
c1 c2 c3 c4 c5....
1 5 9 13
2 6 10 14
3 7 11 15
4 8 12 16
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Jul 16, 2015
I have the table below and like to combine the rows to create a single link row in a new column. The rows should be combined based on the job number columns which is the same for the rows to be combined.
DECLARE @M31
( M31_SQL_ID INT
,JOB_NUMBER INT
,LINE_NUMBER INT
,WORKS_DESC VARCHAR)
[Code] ...
Output should be as below
219242
16/7/15 called tenant and she thought we would just fix for free - advised her I can get a quote how ever she may have to pay - she will call back
219245
16/7/15 called tnt said no report number. Said she will speak with her husband and call back with her decision and 16/07/15 the work order was sent to agent ...
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Aug 13, 2015
I have to join two tables and i need to fetch All records from @tab2 and only max date record from @tab1 that ID is present in Tab2
1.) @Tab1 have multiple records for each ID
2.) @Tab2 also have multiple records for each ID
3.) Kind of Lef Outer join those tables with ID and take all records from @tab2 and only Max of date from @tab1 and order by ID and Date
Note: @Tab1 always have lesser dates than @tab2 for each ID
Tables looks like as follows
declare @tab1 table (id varchar(3), effDt Date, rate int)
insert into @tab1 values ('101','2013-12-01',5)
insert into @tab1 values ('101','2013-12-02',2)
insert into @tab1 values ('101','2013-12-03',52)
[code]....
In the given ex, ID 103 should not come as it is not present in @tab2, ID 104 should come even it is not present in @tab1 as we ahve to use left outer join Result should like follows.
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May 13, 2015
I have a set of data which contains individual logon and logoff data. The table is as follows:
AGENTID, EVENTTIME, CURRENTSTATE
1234, 2015-05-12, 15 (For Logon) or 25 (For Logoff)
I'm hoping to extract this data as follows:
AGENTID, LOGON DATE/TIME, LOGOFF DATE/TIME, DURATION
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Jun 9, 2015
I have a non-partitioned table (TableToPartition) and I want to apply an existing partition scheme (PartSch) to it using a query. I didn't find any option so I used the StorageCreate Partition wizard to generate the script.why this clustering magic needed if it is dropped at the end? Isn't there another way without indexing to partition a table, say something with ALTER TABLE? (SQL Server 2012)
BEGIN TRANSACTION
CREATE CLUSTERED INDEX [ClusteredIndex_on_PartSch_635694324610495157] ON [dbo].[TableToPartition]
(
[ID]
)WITH (SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF) ON [PartSch]([ID])
DROP INDEX [ClusteredIndex_on_PartSch_635694324610495157] ON [dbo].[TableToPartition]
COMMIT TRANSACTION
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Aug 20, 2015
Question: How to determine if a date value was between one of the date periods that appear in multiple rows?
Background: We have a table of "license valid" periods, wherein each license can have one or more rows. (As you know, a driver's license can be started, expired, renewed, suspended, reinstated, revoked, etc.) Instead of of having a license activity table--from which valid license periods could be extrapolated--we store just the periods for which a license was valid.
My task is to take a list of licenses and specific dates and determine if each license was valid as of that date, returning either true or false. What is the best way to accomplish this?
DECLARE @ValidityInQuestion TABLE (
LicenseID int
, DateValidityInQuestion date);
DECLARE @LicenseValidPeriods TABLE (
LicenseID int
, BeginDate date
, EndDate date);
[Code] ...
How then do I query both tables in order to get the same result that results from the following query?
SELECT
12345 AS LicenseID
, '2015-01-15' AS DateValidityInQuestion
, 1 AS LicenseActive
UNION
SELECT
67890
, '2015-02-04'
, 0;
I assume I need to join on the LicenseID columns, but my understanding stops there.
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Nov 7, 2015
The recipe preparation instructions are stored in a table by RecipeID. The prep instructions are in a single VARCHAR(MAX) column and look something like this:
1. Boil Water
2. Add noodles
3. Add cheese sauce
4. Stir well
Now they want this single VARCHAR(Max) column broken into 2 columns - Step and Prep Instruction like this: Boil WaterAdd noodlesAdd cheese sauceStir well.I figure I can use the appearance of a number followed by a period and a space to determine the existence of a new row. How would I accomplish this in T-SQL?
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May 10, 2015
Here is some data that will explain what I want to do:
Input Data:
Part ColorCode
A100 123
A100 456
A100 789
B100 456
C100 123
C100 456
Output Data:
Part ColorCode
A100 123;456;789
B100 456
C100 123;456
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Sep 22, 2015
In a table I have some rows with flag A & B for a scode, some scode with only A and some are only B flags.
I would like to fetch all rows with flag A when both flags are present, no rows with B should be fetched. Fetch all rows when only single flags are present for a scode.How to achieve this using TSQL code.
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Jul 24, 2015
I'm trying to create an email report which gives a result of multiple results from multiple databases in a table format bt I'm trying to find out if there is a simple format I can use.Here is what I've done so far but I'm having troble getting into html and also with the database column:
EXEC msdb.dbo.sp_send_dbmail
@subject
= 'Job Summary',
@profile_name =
'SQL SMTP',
[code]....
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