SQL To Identify The Primary Key In A Table?
Oct 24, 2007Hi
I have been looking for a way to identify the primary key defined in a
table using a SQL Sentence...how can i do it?
Thanx for your support!!!
Diego Bayona
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Transact SQL :: Identify Primary And Foreign Keys In Two Table
Apr 23, 2015I've attempted to identify a primary and foreign key in these two tables, but I am getting a bunch of errors re duplicate keys and column names needing to be unique.Perhaps the primary and foreign key I have identified don't meet the criteria?
CREATE TABLE StockNames
(
-- Added Primary key to [stock_symbol]
[stock_symbol] VARCHAR(5) NOT NULL CONSTRAINT PK_stock_symbol PRIMARY KEY,
[stock_name] VARCHAR(150) NOT NULL,
[stock_exchange] VARCHAR(50) NOT NULL,
[code].....
How Can I Search A Schema To Identify Table
Feb 12, 2007I am trying to find a needle in a haystack.
One of the tables in this database has a column named column_xyz.
There are over 800 tables, each with numerous columns. If I know that the column I am looking for is "column_xyz" is there an easy query I can do to identify all tables that contain that column?
I hope.
Thanks
How Do I Identify The Base Table For A PageID?
Jul 19, 2007Hi,
Have a LOB error which provides the corrupt PageID and this recommends a DBCC CHECKDB. However I'm unable to identify what the base table for the PageID. DBCC PAGE does not provide base table info (I think), DBCC PGLINKAGE has been retired in SS2005 and DBCC READPAGE doesn't work either.
Does any know of a valid SS2005 command or technique which will allow my to identify the base table for a PageID???
How To Identify The Base Table For A PageID ?
Jul 19, 2007Hi,
Have a LOB error which provides the corrupt PageID and this recommends a DBCC CHECKDB. However I'm unable to identify what the base table for the PageID. DBCC PAGE does not provide base table info (I think), DBCC PGLINKAGE has been retired in SS2005 and DBCC READPAGE doesn't work either.
Does any know of a valid SS2005 command or technique which will allow my to identify the base table for a PageID???
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Jan 15, 2015How to find if there is a query that can be written on DMV's which will be able to retrieve the indexes that are not being used in a table.
View 2 Replies View RelatedIdentify Range And Related Data From Look Up Table
Dec 27, 2007I have a query/report that I need to create that needs to look at the size of a company and based on that size apply different rules. I am sure that this is not the only query/report I'll need to do using this and I'm also not so sure that the size ranges won't be changed in the future. Given this, I'd like to store the size ranges in a lookup(global) table. That way, if the ranges ever change I can just alter them in that table and not in all of the queries/reports that use them. What I need to figure out is how to join the live table with the look up table.
Specifically, here is what I have. The look up table would be:
Code Block
CREATE TABLE #gl_sizerange (
glsid int IDENTITY(1,1) NOT NULL,
lowsize int,
highsize int,
sizecat varchar(10),
milestone varchar(25),
days int
) ON [PRIMARY]
INSERT into #gl_sizerange VALUES(1, 24, 'Small', 'Approach', 14)
INSERT into #gl_sizerange VALUES(1, 24, 'Small', 'Interview', 14)
INSERT into #gl_sizerange VALUES(1, 24, 'Small', 'Demonstrate', 21)
INSERT into #gl_sizerange VALUES(1, 24, 'Small', 'Negotiate', 14)
INSERT into #gl_sizerange VALUES(1, 24, 'Small', 'Close', 7)
INSERT into #gl_sizerange VALUES(25, 99, 'Medium', 'Approach', 14)
INSERT into #gl_sizerange VALUES(25, 99, 'Medium', 'Interview', 21)
INSERT into #gl_sizerange VALUES(25, 99, 'Medium', 'Demonstrate', 21)
INSERT into #gl_sizerange VALUES(25, 99, 'Medium', 'Negotiate', 14)
INSERT into #gl_sizerange VALUES(25, 99, 'Medium', 'Close', 7)
INSERT into #gl_sizerange VALUES(100, 499, 'Large', 'Approach', 14)
INSERT into #gl_sizerange VALUES(100, 499, 'Large', 'Interview', 21)
INSERT into #gl_sizerange VALUES(100, 499, 'Large', 'Demonstrate', 21)
INSERT into #gl_sizerange VALUES(100, 499, 'Large', 'Negotiate', 14)
INSERT into #gl_sizerange VALUES(100, 499, 'Large', 'Close', 7)
INSERT into #gl_sizerange VALUES(500, 300000000, 'Super', 'Approach', 28)
INSERT into #gl_sizerange VALUES(500, 300000000, 'Super', 'Interview', 35)
INSERT into #gl_sizerange VALUES(500, 300000000, 'Super', 'Demonstrate', 28)
INSERT into #gl_sizerange VALUES(500, 300000000, 'Super', 'Negotiate', 35)
INSERT into #gl_sizerange VALUES(500, 300000000, 'Super', 'Close', 35)
Then what I have is two more tables, one that indicates the size of the company and another that has the milestone contained within it and I will also calculate how long that milestone has been open and if it is longer than what is in the lookup table for that milestone and size range I need it returned in the report. Here are some quick sample table to represent that data (I've condensed the size and number of tables for the example):
Code Block
CREATE TABLE #en_entity (
enid int NOT NULL,
orgsize int,
) ON [PRIMARY]
INSERT into #en_entity VALUES(1, 5)
INSERT into #en_entity VALUES(2, 18)
INSERT into #en_entity VALUES(3, 24)
INSERT into #en_entity VALUES(4, 25)
INSERT into #en_entity VALUES(5, 47)
INSERT into #en_entity VALUES(6, 101)
INSERT into #en_entity VALUES(7, 499)
INSERT into #en_entity VALUES(8, 500)
INSERT into #en_entity VALUES(9, 10000)
INSERT into #en_entity VALUES(10, 567890)
CREATE TABLE #op_opportunity (
opid int NOT NULL,
enid int NOT NULL,
milestone varchar(25),
daysopen int
) ON [PRIMARY]
INSERT into #op_opportunity VALUES(1, 1, 'Approach', 5)
INSERT into #op_opportunity VALUES(2, 2, 'Interview', 18)
INSERT into #op_opportunity VALUES(3, 4, 'Negotiate', 24)
INSERT into #op_opportunity VALUES(4, 7, 'Demonstrate', 25)
INSERT into #op_opportunity VALUES(5, 7, 'Approach', 7)
INSERT into #op_opportunity VALUES(6, 9, 'Close', 35)
INSERT into #op_opportunity VALUES(7, 8, 'Close', 36)
So, given the sample data, I would expect the results to return me the following opids from the #op_opportunity table because they don't comply with what is in the look up table based on milestone, size and days open: 2,3,4,7
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[Code] ......
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Aug 28, 2002Hi all,
Can anyone suggest me on Adding primary key to a table which has already a primary key.
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Feb 25, 2015I am struggling to come up with a set-based solution for this problem (i.e. that doesn't involve loops/cursors) ..A table contains items (identified by an ItemCode) and the set they belong to (identified by a SetId). Here is some sample data:
SetIdItemCode
1A
1B
24
28
26
310
312
410
[code]....
You can see that there are some sets that have the same members:
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- 2 and 11
- 7, 8 & 9
What I want to do is identify the sets that have the same members, by giving them the same ID in another column called UniqueSetId.
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Jan 28, 2012I need to add a child table that will tell us who the participants counselor is, what I did was I did a Make Table query based off the primary key of the Parent table and made that the link (foreign key) for the People_tbl and the Counselor_tbl, so if the counselor changes then the user adds the record to the counselor tbl and then puts in the Effective date. The problem is that when I run a report it doesn't show the present counselor always shows the old counselor?
Code:
SELECT Student_ind.StudentFirstName, Student_ind.StudentLastName, Student_ind.[Student ID], People_tbl.[Family ID], People_tbl.FirstName,
People_tbl.LastName, People_tbl.[Parent ID]
FROM People_tbl RIGHT OUTER JOIN
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Feb 26, 2008
Hi all,
my stored procedure have one table variable (@t_Replenishment_Rpt).I want to create an Index on this table variable.please advise any of them in this loop...
below is my table variable and I need to create 3 indexes on this...
DECLARE @t_Replenishment_Rpt TABLE
(
Item_Nbr varchar(25) NULL,
Item_Desc varchar(255) NULL,
Trx_Date datetime NULL,
Balance int NULL,
Trx_Type char(10) NULL,
Issue_Type char(10) NULL,
Location char(25) NULL,
Min_Stock int NULL,
Order_Qty int NULL,
Unit char(10) NULL,
Issue_Qty int NULL,
Vendor varchar(10) NULL,
WO_Nbr varchar(10) NULL,
Lead_Time int NULL,
PO_Nbr char(10) NULL,
PO_Status char(10) NULL,
Currency char(10) NULL,
Last_Cost money NULL,
Dept_No varchar(20) NULL,
MSDSNbr varchar(10) NULL,
VendorName varchar(50) NULL,
Reviewed varchar(20) NULL
)
I tryed all below senarios...it is giving error...
--Indexing the @t_Replenishment_Rpt table on the column Names Item Number, Vender , Department Number
--EXEC sp_executesql(CREATE UNIQUE CLUSTERED INDEX Replenishment_index ON @t_Replenishment_Rpt (Item_Nbr))
--CREATE UNIQUE CLUSTERED INDEX Idx1 ON @t_Replenishment_Rpt.Item_Nbr
INDEX_COL ( '@t_Replenishment_Rpt' , ind_Replenishment_id , Item_Nbr )
--EXEC sp_executesql('SELECT INDEXPROPERTY('+ '@t_Replenishment_Rpt' + ', ' + 'Item_Nbr' + ',' + 'IsPadIndex' + ')')
--EXEC sp_executesql(SELECT INDEXPROPERTY('@t_Replenishment_Rpt', 'Vendor','IsPadIndex'))
--EXEC sp_executesql(SELECT INDEXPROPERTY('@t_Replenishment_Rpt', 'Dept_No','IsPadIndex'))
How Do I Copy / Insert A Primary Key Value Of One Table Into Another Table?
Dec 10, 2007
Hi i have set up two very simple tables, I want a user to be able to create a basic account ( data stored in User_Profile table with Id set as the Primery Key as Identity) I
want the user to be able to be able to return to their account at a later date
and then post multiple reviews of different bands they have seen at a later date.
I kept the tables in my example very simple so I could get my head
around the concept, but generally, I want to connect the Id (PK) value in
User_Profile table to the User_Id filed in the User_Review table,
so every review that user writes, will be connected directly to their Id.
Any help you could give would be fantastic a i have no idea where to start!!!
User_Profile
Id int, ( as primary Identity Key)
Name
City
Country
I have a second table called User Reviews
User_Revews
Revew_Id int , ( as primary Identity Key)
User_Id int, ( I want this to contain the Id value in
the User profile Table)
Review_Details
Thanks
Odxsigma
Columns In Primary Table And Foreign Key Table
Feb 12, 2007mahesh writes "HI,
I am new to sql server.
can anybody help me
I have a table named tblqualificationmaster.
can i know the foreignkeys and the table related to this
tblqualificationmaster having foeign keys using stored procedure."
Table Primary Key(Varchar) Table Question
Jan 17, 2008Hi,
I have a Users table that I use for membership. I am using username varchar(30) as the primary key for this table since username will always be unique.
The question I have is regarding how SQL Server actually stores data:
I see that when I add users, they are always stored alphabetically sorted on username.
I was expecting that all users will appear on the users table in the order they were added.
Example: I have 3 users (john, jonah, wilson). Now I added 4 user with username='bob'
If I execute select * from users, it returns me (bob, john, jonah, wilson). Look bob has become the first row of the table.
My question: Is Sql server moving 3 older rows to make room for 'bob' and it is also rebuilding part of the index due this new username 'bob'?
If this is the case, then it will have big impact if I have 100K users and I add one user that becomes firstrow. In that case 99,999 rows will have to move.
Bottom line, insert, delete will be very expensive.
I know sql server keeps data physically sorted on PK. But I am concerned here since rows are losing the order in which they were inserted.
Thanks
Primary Key Per Table
Dec 2, 2013There is a restriction that we must have only one primary key per table. We can have composite primary key by defining primary key over 2 or more columns. Actually,, a primary key uniquely defines the table and if we have two or more columns which follow unique and not null features why can't we have two primary keys?? I want to know what is the main reason behind having only one primary key in a table??
View 3 Replies View RelatedWhat Happens If A Table Has No Primary Key?
Jul 23, 2005I ran into a table that is used a lot. Well less than100,000 records. Maybe not a lot of records but i believethis table is used often. The table has 26 fields, 9 indexesbut no Primary Key at all!There are no table relationships defined in this database, noNatural keys, only Surrogate keys in the database.1- Maybe an odd question but is it normal to have 1/3 of thetable's fields as indexes? Is this a valid question or it reallydoesn't matter if you have 9 indexes if they are appropriate to beindexes?2- Below is the DDL of the indexes (Is DDL the appropriate termto describe the indexes?) Without going into too technical aboutwhat the table is, what relationships it has with other tables,would you be able to tell if the indexes are good, bad, too many,etc?3- If i open the table in DESIGN view in SQL EM, i don't seethe Primary key icon. Yet here i see the words "PRIMARY KEYNONCLUSTERED". Does this mean UNIQUENO is actually some typeof primary key? If it was CLUSTERED then SQL EM would showUNIQUEID with a key to the left it identifying it as a PK?If that is the case, then what is the difference betweenPRIMARY KEY NONCLUSTEREDandPRIMARY KEY CLUSTERED?CREATE UNIQUE CLUSTERED INDEX [TBLTEST_PK] ON[dbo].[TBLTEST]([UNIQUENO]) WITH FILLFACTOR = 80 ON [PRIMARY]GOCONSTRAINT [PK_TBLTEST] PRIMARY KEY NONCLUSTERED([UNIQUENO]) ON [PRIMARY]GOCREATE UNIQUE INDEX [ASSIGNUNIQUENAME] ON[dbo].[TBLTEST]([USERNO], [STARTDATE], [NAME]) WITHFILLFACTOR = 80 ON [PRIMARY]GOCREATE INDEX [ENDDATE] ON [dbo].[TBLTEST]([ENDDATE]) WITH FILLFACTOR = 80 ON [PRIMARY]GOCREATE UNIQUE INDEX [IUSERASSIGNACT] ON[dbo].[TBLTEST]([USERNO], [TASKNO], [PROCESSENTRYNO])WITH FILLFACTOR = 80 ON [PRIMARY]GOCREATE INDEX [STARTDATE] ON [dbo].[TBLTEST]([STARTDATE]) WITH FILLFACTOR = 80 ON [PRIMARY]GOCREATE INDEX [PROCESSENTRYNOTBLTEST] ON[dbo].[TBLTEST]([PROCESSENTRYNO]) WITHFILLFACTOR = 80 ON [PRIMARY]GO/****** The index created by the following statementis for internal use only. ******//****** It is not a real index but exists asstatistics only. ******/if (@@microsoftversion > 0x07000000 )EXEC ('CREATE STATISTICS [Statistic_NAME] ON[dbo].[TBLTEST] ([NAME]) ')GOCREATE INDEX [TASKNO_IDX] ON [dbo].[TBLTEST]([TASKNO]) WITH FILLFACTOR = 80 ON [PRIMARY]GOCREATE INDEX [TBLTEST_ORGANIZATIONNO_IDX] ON[dbo].[TBLTEST]([ORGANIZATIONNO]) WITHFILLFACTOR = 80 ON [PRIMARY]GOCREATE INDEX [TASKNOUSERNO] ON [dbo].[TBLTEST]([USERNO], [TASKNO]) WITH FILLFACTOR = 80 ON [PRIMARY]GOThank you
View 4 Replies View RelatedPrimary Key Of Table
Mar 21, 2008Hi to all.
I have a table with about 8 columns as a primary key. I would like to delete one column but not destroy the other 7 primary keys and their relationships between the other tables. Is it possible to do this?
Thanks.
Finding The Primary Key Of A Table.
Dec 3, 2007I'm trying to find the primary key on a given table in SQL Server 2000 using SQL. I'm querying the sysobjects table to find a given table, and then querying the sysindexes table. I've ALMOST found what I'm looking for. I see the indexes and columns etc. on the tables in the database, I just don't see the field that indicates that the index is the primary key.
Can anyone help?
Thanks, Alex
The Dropped Table Does Not Have A Primary Key And Cannot Be Used
Feb 25, 2004I'm trying to drop a table onto the design view in Web Matrix and the following message appears: "dropped table does not have a primary key and cannot be used".
I'm using a SQL 2000 database that was previously an MSDE 2000 database. Is there anyway that I can define a column as a primary key?
Thanks.
How To Get Primary Key (Columns) Of A Table?
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With ldbDatabase For Each lttabDef In .TableDefs If lttabDef.Name = lsTableName Then liCounter = lttabDef.Fields.Count For liLoop = 0 To liCounter - 1 cboFieldLists.List(liLoop) = lttabDef.Fields(liLoop).Name Next liLoop For Each idxLoop In lttabDef.Indexes With idxLoop lblIndexName = .Name If .Primary Then liCounter = 0 For Each fldLoop In .Fields cboPrimaryKeys.List(liCounter) = fldLoop.Name liCounter = liCounter + 1 Next fldLoop End If End With Next cboFieldLists.ListIndex = 0 If cboPrimaryKeys.ListCount > 0 Then cboPrimaryKeys.ListIndex = 0 End If Exit For End If Next End WithEnd Sub
Find Primary Key On Table.
Feb 26, 2008I need to find the primary key of a table, in MySQL i used SHOW COLUMNS and looped through them to find which one was primary if any. The MSSQL equivalent is SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = 'table_name' apparently. However the result doesnt give me any key information. How can i find out
1. if a primary key exists on a table
2. what column that primary key exists on
MS SQL Table Primary Key Increment
May 8, 2008Hi Guys,
I have designed a simple table named "test" with ID as primary key and Name as a string data. When I delete a row from the table and insert a new row.. then the ID column increments itself by 1..
for eg : if i have 2 rows in my table
1 Karthik
2 you
if I delete the 2nd row and insert your name in the place of 2nd row..
actually my rows shows
1 Karthik
3 yourname
could anybody give me some advices..
Thanks,
Karthik Gopal
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Feb 9, 2015I have a table name Dispatch with the following column
ID,Date, Name, Pickup, Going
I have a next table called Move with the following column
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I link Move table with Dispatch table via relationship.
ID_Pickup, ID_Going
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Jun 29, 2006Hi,
I need to create a new table in our database.
This table is not linked into the existing schema in anyway, so i'm not sure if I need a primary key or not.
either way, coudl anyone tell me how to create a primary key ni the CREATE TABLE statement.
I have tried searching but cannot find the answer.
many thanks,
Matt
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May 1, 2007i have 2 tables. Table a and Table b. i need to insert only the new records from Table a to Table B
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solved.!
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Aug 17, 2006i have table fff .it has two fields one is fno int , another is fnamevarchar(20)ffffno fname-------- -----------100 suresh102 rameshhere there is no not null constraint and identity column theni am add primary key constraint fno column pls help me
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