I have a SQL Server database and whenever I want to make a backup of the database, first generate a Drop and Create Script of the DB. Because by this way I can make my database in every version of SQL Server. Regardless of the version and maintenance problems of SQL.
In the Generate and Publish Scripts window of SQL Server there is an Advanced Scripting Option, as shown below:
Now, I would like a script from this window to reproduce script generator advanced options. In the other words, I want a script to make script generator of my database by my selected Advanced Options.
How can I do it?
You can use SQL Server Profiler to retrieve executing sqls in the specified instance.
[
Please refer to this How to generate SQL Table Script through query
Is this what you want?
declare #table varchar(100)
set #table = 'MyTable' -- set table name here
declare #sql table(s varchar(1000), id int identity)
-- create statement
insert into #sql(s) values ('create table [' + #table + '] (')
-- column list
insert into #sql(s)
select
' ['+column_name+'] ' +
data_type + coalesce('('+cast(character_maximum_length as varchar)+')','') + ' ' +
case when exists (
select id from syscolumns
where object_name(id)=#table
and name=column_name
and columnproperty(id,name,'IsIdentity') = 1
) then
'IDENTITY(' +
cast(ident_seed(#table) as varchar) + ',' +
cast(ident_incr(#table) as varchar) + ')'
else ''
end + ' ' +
( case when IS_NULLABLE = 'No' then 'NOT ' else '' end ) + 'NULL ' +
coalesce('DEFAULT '+COLUMN_DEFAULT,'') + ','
from information_schema.columns where table_name = #table
order by ordinal_position
-- primary key
declare #pkname varchar(100)
select #pkname = constraint_name from information_schema.table_constraints
where table_name = #table and constraint_type='PRIMARY KEY'
if ( #pkname is not null ) begin
insert into #sql(s) values(' PRIMARY KEY (')
insert into #sql(s)
select ' ['+COLUMN_NAME+'],' from information_schema.key_column_usage
where constraint_name = #pkname
order by ordinal_position
-- remove trailing comma
update #sql set s=left(s,len(s)-1) where id=##identity
insert into #sql(s) values (' )')
end
else begin
-- remove trailing comma
update #sql set s=left(s,len(s)-1) where id=##identity
end
-- closing bracket
insert into #sql(s) values( ')' )
-- result!
select s from #sql order by id
Related
I am trying to set a default value to a column(Inserted_time), but first i need to check if the column exists in the tables. If the column doesn't exist, I need to add that column and give it a default value.
I am working with Sql Server Management Studio.
So far I have written this code:
IF EXISTS ( select TABLE_NAME from INFORMATION_SCHEMA.COLUMNS where TABLE_CATALOG = 'DB_COPY' and COLUMN_NAME = 'Inserted_Time')
begin
ALTER TABLE table_name ADD CONSTRAINT [Inserted_Time_Def] SET DEFAULT (sysdatetimeoffset()) FOR [Inserted_Time]
end
else
ALTER TABLE table_name ADD COLUMN [Inserted_Time] CONSTRAINT [Inserted_Time_Def] DEFAULT (sysdatetimeoffset()) WITH VALUES
Once I retrieve the tables that has the column, I need to add that table_name to the Alter command. But I am not able to do that. Can someone please tell me how to use the table_names retrieved from select statement in the alter statement?
First, you want to put all the table names in a temporary table so you can loop through it.
After, you can use a cursor to execute a command for each table name.
In my example, I only printed the command I wanted to execute. That way you can be sure the code will do what you want first.
Example :
select TABLE_NAME As TableName INTO #TablesList from INFORMATION_SCHEMA.COLUMNS where TABLE_CATALOG = 'DB_COPY' and COLUMN_NAME = 'Inserted_Time'
DECLARE #TablesCursor as CURSOR;
DECLARE #TableName as NVARCHAR(max);
DECLARE #CommandToExecute as NVARCHAR(max);
SET #TablesCursor = CURSOR FOR SELECT TableName FROM #TablesList;
OPEN #TablesCursor;
FETCH NEXT FROM #TablesCursor INTO #TableName;
WHILE ##FETCH_STATUS = 0
BEGIN
SET #CommandToExecute = 'ALTER TABLE ' + #TableName + ' WHAT YOU WANNA DO '
PRINT #CommandToExecute
--EXEC(#CommandToExecute)
FETCH NEXT FROM #TablesCursor INTO #TableName;
END
CLOSE #TablesCursor;
DEALLOCATE #TablesCursor;
Assuming that every table is in a different schema, then you could do something like this:
DECLARE #SQL nvarchar(MAX);
SET #SQL = STUFF((SELECT NCHAR(13) + NCHAR(10) +
CASE WHEN EXISTS (SELECT 1
FROM INFORMATION_SCHEMA.COLUMNS C
WHERE T.TABLE_SCHEMA = C.TABLE_SCHEMA
AND T.TABLE_NAME = C.TABLE_SCHEMA
AND C.COLUMN_NAME = N'Inserted_Time') THEN N'ALTER TABLE ' + QUOTENAME(T.TABLE_SCHEMA) + N'.' + QUOTENAME(T.TABLE_NAME) + N' ADD CONSTRAINT [Inserted_Time_Def] DEFAULT (sysdatetimeoffset()) FOR [Inserted_Time];'
ELSE N'ALTER TABLE ' + QUOTENAME(T.TABLE_SCHEMA) + N'.' + QUOTENAME(T.TABLE_NAME) + N' ADD COLUMN [Inserted_Time] CONSTRAINT [Inserted_Time_Def] DEFAULT (sysdatetimeoffset());'
END
FROM INFORMATION_SCHEMA.TABLES T
WHERE T.TABLE_CATALOG = N'DB_COPY'
FOR XML PATH(N''),TYPE).value('.','nvarchar(MAX)'),1,2,N'');
PRINT #SQL; --Your best friend. If more than 4,000 characters, use SELECT
EXECUTE sp_executesql #SQL;
This will very likely hugely out perform a CURSOR solution if you have a large number of schemas.
Running Microsoft SQL Server 11.0.3128
on Windows Server 2012 R2 Essentials
I am attempting to return the name of a specific database based on a supplied variable (batch file that calls SQL script).
The process, in my head, should look something like this:
For each database in instance
Look in the current database
Return databasename if variable is found in column
The code I've been working with so far looks like this:
EXEC dbo.sp_MSForeachdb '
USE [?];
SELECT DB_NAME() AS DBName
UNION SELECT
ColumnName
FROM dbo.Items
WHERE ColumnName =''variable''
'
Problem is, this returns a lot more than I want it to since it returns "null" values for the databases that do not contain "variable" and creates messages for databases not containing "ColumnName".
But I can't seem to figure out how to get the specific info I want without the other stuff. First time poster, please let me know if I can improve the question.
Thanks!
EDIT: Oops, didn't realize at first you were working with mssql and not mysql. The principle below will still work; you'll just need to adjust the syntax a bit and use a user-function to replace group_concat since mssql doesn't have that.
Here's an approach without sp_MSForeachdb. Note that you will want to sanitize the parameters first.
delimiter $$
create procedure FindDatabases
(
in varName varchar(2000),
in tableName varchar(2000),
in columnName varchar(2000)
)
begin
declare selectQuery varchar(2000);
select group_concat(
concat('select ''',
table_schema,
''' as DatabaseName from ',
table_schema,
'.',
tableName,
' where ',
columnName,
' = ''',
varName,
'''')
separator ' union ') as DatabaseNames
from information_schema.tables
where table_name = tableName
into #selectQuery;
prepare preparedSql from #selectQuery;
execute preparedSql;
deallocate prepare preparedSql;
end $$
delimiter ;
Example usage:
call FindDatabases ( 'variable', 'Items', 'ColumnName' )
This procedure generates a sql query for each database with a table name matching the table name supplied, unions them together, and then executes them. Each query in the union returns its database name if the specified table in that database has a column matching the specified name that contains a value that matches the specified variable name. Only databases matching these requirements will be present in the query results, so you don't have to worry about null values in the results.
ADDITIONAL EDIT: As promised, here is a sqlserver version.
create procedure FindDatabases
(
#varName varchar(2000),
#tableName varchar(2000),
#columnName varchar(2000)
)
as
begin
declare #selectQuery nvarchar(2000)
-- first, get a list of database names that contain the specified table
IF OBJECT_ID('tempdb.dbo.#db_temp') IS NOT NULL
DROP TABLE #db_temp
CREATE TABLE #db_temp (DatabaseName SYSNAME)
SELECT #selectQuery = (
SELECT '
USE [' + d.name + '];
INSERT INTO #db_temp (DatabaseName)
SELECT DB_NAME() as DatabaseName
WHERE EXISTS(
SELECT 1
FROM sys.objects
WHERE [object_id] = OBJECT_ID(''' + #tableName + ''')
AND [type] = ''U''
)'
FROM sys.databases d
WHERE d.name NOT IN ('master', 'tempdb', 'model', 'msdb')
AND d.state_desc != 'OFFLINE'
FOR XML PATH(''), TYPE).value('.', 'NVARCHAR(MAX)')
EXEC sys.sp_executesql #selectQuery
-- use something like mysql's group_concat function to turn that list into a bunch of union all select statements
select
#selectQuery =
(
SELECT LEFT(database_names , LEN(database_names ) - 10) AS database_names
FROM #db_temp AS extern
CROSS APPLY
(
SELECT 'select ''' + DatabaseName + ''' as DatabaseName from ' + DatabaseName + '.dbo.' + #tableName +
' where ' + #columnName + ' = ''' + #varName + '''' + ' union all '
FROM #db_temp AS intern
FOR XML PATH('')
) pre_trimmed (database_names)
GROUP BY database_names
)
drop table #db_temp
-- run those select statements
exec sp_executesql #selectQuery
end
To run it:
exec FindDatabases 'someVar', 'Items', 'ColumnName'
I shamelessly pulled some snippets from here and here to work around the lack of a group_concat function and sqlserver's information_schema having only the local database's info and not sharing information across databases.
Does anyone know how to check a a variable against all database table with columns storing the same type of information? I have a poorly designed database that stores ssn in over 60 tables within one database. some of the variations of columns in the various tables include:
app_ssn
ca_ssn
cand_ssn
crl_ssn
cu_ssn
emtaddr_ssn
re_ssn
sfcart_ssn
sfordr_ssn
socsecno
ssn
Ssn
SSN
I want to create a stored procedure that will accept a value and check it against every table that has 'ssn' in the name.Does anyone have idea as to how to do this?
-- I assume that table/column names don't need to be surrounded by square braces. You may want to save matches in a table - I just select them. I also assume ssn is a char.
alter proc proc1
#search1 varchar(500)
as
begin
set nocount on
declare #strsql varchar(500)
declare #curtable sysname
declare #prevtable sysname
declare #column sysname
select top 1 #curtable= table_schema+'.'+table_name, #column=column_name
from INFORMATION_SCHEMA.COLUMNS
where CHARINDEX('ssn',column_name) > 0
order by table_schema+'.'+table_name +column_name
-- make sure that at least one column has ssn in the column name
if #curtable is not null
begin
while (1=1)
begin
set #strsql = 'select * from ' +#curtable +' where '+''''+#search1+''''+ ' = '+#column
print #strsql
-- any matches for passed in ssn will match here...
exec (#strsql)
set #prevtable = #curtable+#column
select top 1 #curtable= table_schema+'.'+table_name, #column=column_name
from INFORMATION_SCHEMA.COLUMNS
where CHARINDEX('ssn',column_name) > 0
and table_schema+'.'+table_name +column_name> #prevtable
order by table_schema+'.'+table_name +column_name
-- when we run out of columns that contain ssn we are done...
if ##ROWCOUNT = 0
break
end
end
end
What you will need to do is some research. But here is where you can start;
SELECT tbl.NAME AS TableName
,cl.NAME AS ColumnName
,IDENTITY(INT, 1, 1) AS ID
INTO #ColumnsToLoop
FROM sys.tables tbl
JOIN sys.columns cl ON cl.object_id = tbl.object_id
This will give you the table / column relation then you can simply build a dynamic SQL string based on each row in the query above (basically loop it) and use EXEC or sp_execsql. So basically;
DECLARE #Loop int = (select min(ID) From #ColumnsToLoop),#MX int = (Select MAX(ID) From #ColumnsToLoop)
WHILE(#Loop<=#MX)
BEGIN
DECLARE #SQL nvarchar(MAX) = 'SQL String'
//Construct the dynamic SQL String
EXEC(#SQL);
SET #Loop += 1
END
Perhaps I went a little too crazy with this one, but let me know. I thought it would best the primary key of the search results with the table name so you could join it to your tables. I also managed to do it without a single cursor or loop.
DECLARE #SSN VARCHAR(25) = '%99%',
#SQL VARCHAR(MAX);
WITH CTE_PrimaryKeys
AS
(
SELECT TABLE_CATALOG,
TABLE_SCHEMA,
TABLE_NAME,
column_name
FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE D
WHERE OBJECTPROPERTY(OBJECT_ID(constraint_name), 'IsPrimaryKey') = 1
),
CTE_Columns
AS
(
SELECT A.*,
CONCAT(A.TABLE_CATALOG,'.',A.TABLE_SCHEMA,'.',A.TABLE_NAME) AS FullTableName,
CASE WHEN B.COLUMN_NAME IS NOT NULL THEN 1 ELSE 0 END AS IsPrimaryKey
FROM INFORMATION_SCHEMA.COLUMNS A
LEFT JOIN CTE_PrimaryKeys B
ON A.TABLE_CATALOG = B.TABLE_CATALOG
AND A.TABLE_SCHEMA = B.TABLE_SCHEMA
AND A.TABLE_NAME = B.TABLE_NAME
AND A.COLUMN_NAME = B.COLUMN_NAME
),
CTE_Select
AS
(
SELECT
'SELECT ' +
--This returns the pk_col casted as Varchar and the table name in another columns
STUFF((SELECT ',CAST(' + COLUMN_NAME + ' AS VARCHAR(MAX)) AS pk_col,''' + B.TABLE_NAME + ''' AS Table_Name'
FROM CTE_Columns B
WHERE A.Table_Name = B.TABLE_NAME
AND B.IsPrimaryKey = 1
FOR XML PATH ('')),1,1,'')
+ ' FROM ' + fullTableName +
--This is where I list the columns where LIKE desired SSN
' WHERE ' +
STUFF((SELECT COLUMN_NAME + ' LIKE ''' + #SSN + ''' OR '
FROM CTE_Columns B
WHERE A.Table_Name = B.TABLE_NAME
--This is where I filter so I only get desired columns
AND (
--Uncomment the Collate if your database is case sensitive
COLUMN_NAME /*COLLATE SQL_Latin1_General_CP1_CI_AS*/ LIKE '%ssn%'
--list your column Names that don't have ssn in them
--OR COLUMN_NAME IN ('col1','col2')
)
FOR XML PATH ('')),1,0,'') AS Selects
FROM CTE_Columns A
GROUP BY A.FullTableName,A.TABLE_NAME
)
--Unioning them all together and getting rid of last trailing "OR "
SELECT #SQL = COALESCE(#sql,'') + SUBSTRING(selects,1,LEN(selects) - 3) + ' UNION ALL ' + CHAR(13) --new line for easier debugging
FROM CTE_Select
WHERE selects IS NOT NULL
--Look at your code
SELECT SUBSTRING(#sql,1,LEN(#sql) - 11)
I was looking at the MERGE command which seems cool but still it requires the columns to be specified. I'm looking for something like:
MERGE INTO target AS t
USING source AS s
WHEN MATCHED THEN
UPDATE SET
[all t.fields = s.fields]
WHEN NOT MATCHED THEN
INSERT ([all fields])
VALUES ([all s.fields])
Is it possible?
I'm lazy... this is a cheap proc I wrote that will spit out a general MERGE command for a table. It queries information_schema.columns for column names. I ripped out my source database name - so, you have to update the proc to work with your database (look for #SourceDB... I said it was cheap.) Anyway, I know others could write it much better - it served my purpose well. (It makes a couple assumptions that you could put logic in to handle - namely turning IDENTITY_INSERT OFF - even when a table doesn't have identity columns.) It updates the table in your current context. It was written against sql server 2008 to sync up some tables. Use at your own risk, of course.
CREATE PROCEDURE [dbo].[GenerateMergeSQL]
#TableName varchar(100)
AS
BEGIN
SET NOCOUNT ON
declare #sql varchar(5000),#SourceInsertColumns varchar(5000),#DestInsertColumns varchar(5000),#UpdateClause varchar(5000)
declare #ColumnName varchar(100), #identityColName varchar(100)
declare #IsIdentity int,#IsComputed int, #Data_Type varchar(50)
declare #SourceDB as varchar(200)
-- source/dest i.e. 'instance.catalog.owner.' - table names will be appended to this
-- the destination is your current db context
set #SourceDB = '[mylinkedserver].catalog.myDBOwner.'
set #sql = ''
set #SourceInsertColumns = ''
set #DestInsertColumns = ''
set #UpdateClause = ''
set #ColumnName = ''
set #isIdentity = 0
set #IsComputed = 0
set #identityColName = ''
set #Data_Type = ''
DECLARE #ColNames CURSOR
SET #ColNames = CURSOR FOR
select column_name, COLUMNPROPERTY(object_id(TABLE_NAME), COLUMN_NAME, 'IsIdentity') as IsIdentity ,
COLUMNPROPERTY(object_id(TABLE_NAME), COLUMN_NAME, 'IsComputed') as IsComputed , DATA_TYPE
from information_schema.columns where table_name = #TableName order by ordinal_position
OPEN #ColNames
FETCH NEXT FROM #ColNames INTO #ColumnName, #isIdentity, #IsComputed, #DATA_TYPE
WHILE ##FETCH_STATUS = 0
BEGIN
if #IsComputed = 0 and #DATA_TYPE <> 'timestamp'
BEGIN
set #SourceInsertColumns = #SourceInsertColumns +
case when #SourceInsertColumns = '' THEN '' ELSE ',' end +
'S.' + #ColumnName
set #DestInsertColumns = #DestInsertColumns +
case when #DestInsertColumns = '' THEN '' ELSE ',' end +
#ColumnName
if #isIdentity = 0
BEGIN
set #UpdateClause = #UpdateClause +
case when #UpdateClause = '' THEN '' ELSE ',' end
+ #ColumnName + ' = ' + 'S.' + #ColumnName + char(10)
END
if #isIdentity = 1 set #identityColName = #ColumnName
END
FETCH NEXT FROM #ColNames INTO #ColumnName, #isIdentity, #IsComputed, #DATA_TYPE
END
CLOSE #ColNames
DEALLOCATE #ColNames
SET #sql = 'SET IDENTITY_INSERT ' + #TableName + ' ON;
MERGE ' + #TableName + ' AS D
USING ' + #SourceDB + #TableName + ' AS S
ON (D.' + #identityColName + ' = S.' + #identityColName + ')
WHEN NOT MATCHED BY TARGET
THEN INSERT(' + #DestInsertColumns + ')
VALUES(' + #SourceInsertColumns + ')
WHEN MATCHED
THEN UPDATE SET
' + #UpdateClause + '
WHEN NOT MATCHED BY SOURCE
THEN DELETE
OUTPUT $action, Inserted.*, Deleted.*;
SET IDENTITY_INSERT ' + #TableName + ' OFF'
Print #SQL
END
Not everything you wanted, but partially:
WHEN NOT MATCHED THEN
INSERT([all fields])
VALUES (field1, field2, ...)
(The values list has to be complete, and match the order of the fields in your table's definition.)
Simple alternative to merge without naming any fields or having to update statement whenever table design changes. This is uni-directional from source to target, but it can be made bi-directional. Only acts on changed records, so it is very fast even with linked servers on slower connection.
--Two statement run as transaction batch
DELETE
C
FROM
productschina C
JOIN
(select * from productschina c except select * from productsus) z
on c.productid=z.productid
INSERT into productschina select * from productsus except select * from productschina
Here is code to setup tables to test above:
--Create a target table
--drop table ProductsUS
CREATE TABLE ProductsUS
(
ProductID INT PRIMARY KEY,
ProductName VARCHAR(100),
Rate MONEY
)
GO
--Insert records into target table
INSERT INTO ProductsUS
VALUES
(1, 'Tea', 10.00),
(2, 'Coffee', 20.00),
(3, 'Muffin', 30.00),
(4, 'Biscuit', 40.00)
GO
--Create source table
--drop table productschina
CREATE TABLE ProductsChina
(
ProductID INT PRIMARY KEY,
ProductName VARCHAR(100),
Rate MONEY
)
GO
--Insert records into source table
INSERT INTO ProductsChina
VALUES
(1, 'Tea', 10.00),
(2, 'Coffee', 25.00),
(3, 'Muffin', 35.00),
(5, 'Pizza', 60.00)
GO
SELECT * FROM ProductsUS
SELECT * FROM ProductsChina
GO
I think this answer deserves a little more love. It's simple, elegant and works. However, depending on the tables in question, it may be a little bit slow because the except clause is evaluating every column.
I suspect you can save a little bit of time by just joining on the primary key and the last modified date (if one exists).
DELETE
C
FROM
productschina C
JOIN
(select primary_key, last_mod_date from productschina c except select primary_key, last_mod_date from productsus) z
on c.productid=z.productid
INSERT into productschina select * from productsus except select * from productschina
[This is a bit of an unusual problem, I know...]
What I need is a script that will change every unique id value to new one in our database. The problem is that we have configuration tables that can be exported between instances of our software which is id-sensitive (clobbering existing ids). Years ago, we set up a "wide-enough" id gap between our development "standard configuration" and our client's instances, which is now not wide enough :( - e.g. we're getting id conflicts when clients import our standard configuration.
A SQL script to do the following is definitely the simplest/shortest-timeframe thing that we can do. e.g. fixing the code is far too complicated and error prone to consider. Note that we are not "eliminating" the problem here. Just changing the gap from 1000's to 1000000's or more (the existing gap took 5 years to fill).
I believe the simplest solution would be to:
change all our tables to UPDATE_CASCADE (none of them are - this will greatly simplify the script)
create an identity table with the new lowest id that we want
For each table, modify the id to the next one in the identity table (using identity insert modifier flags where necessary). Perhaps after each table is processed, we could reset the identity table.
turn off UPDATE_CASCADE, and delete the identity table.
I am seeking any (partial or full) scripts for this.
Unfortunately UPDATE_CASCADE doesn't exist in the world of Sql Server. I suggest for each table you to re-key you do the following (Pseudo Code)
BACKUP DATABASE
CHECK BACKUP WORKS!
FOR EACH TABLE TO BE RE-KEYED
DROP ALL FOREIGN KEY CONSTRAINTS, INDEXES ETC FROM TABLE
SELECT ID + Number, ALL_OTHER_FIELDS INTO TEMP_TABLE FROM TABLE
RENAME TABLE OLD_TABLE
RENAME TEMP_TABLE TABLE
FOR ALL TABLES REFERENCING THIS TABLE
UPDATE FOREIGN_KEY_TABLE SET FK_ID = FK_ID + new number
END FOR
RE-APPLY FOREIGN KEY CONSTRAINTS, INDEXES ETC FROM TABLE
END FOR
Check it all still works ...
This process could be automated through DMO/SMO objects, but depending on the number of tables involved I'd say using management studio to generate scripts that can then be edited is probably quicker. After all, you only need to do this once/5 years.
Here we go with the code for SQL 2005. It's huge, it's hacky, but it will work (except in the case where you have a primary key that is a composite of two other primary keys).
If someone can re-write this with MrTelly's faster id addition (which wouldn't require building sql from a cursor for each updated row), then I'll mark that as the accepted answer. (If I don't notice the new answer, upvote this - then I'll notice :))
BEGIN TRAN
SET NOCOUNT ON;
DECLARE #newLowId INT
SET #newLowId = 1000000
DECLARE #sql VARCHAR(4000)
--**** SELECT ALL TABLES WITH IDENTITY COLUMNS ****
DECLARE tables SCROLL CURSOR
FOR
SELECT '[' + SCHEMA_NAME(schema_id) + '].[' + t.name + ']', c.name
FROM sys.identity_columns c
INNER JOIN sys.objects t
on c.object_id = t.object_id
WHERE t.type_Desc = 'USER_TABLE'
OPEN tables
DECLARE #Table VARCHAR(100)
DECLARE #IdColumn VARCHAR(100)
CREATE Table #IdTable(
id INT IDENTITY(1,1),
s CHAR(1)
)
FETCH FIRST FROM tables
INTO #Table, #IdColumn
WHILE ##FETCH_STATUS = 0
BEGIN
PRINT('
****************** '+#Table+' ******************
')
--Reset the idtable to the 'low' id mark - remove this line if you want all records to have distinct ids across the database
DELETE FROM #IdTable
DBCC CHECKIDENT('#IdTable', RESEED, #newLowId)
--**** GENERATE COLUMN SQL (for inserts and deletes - updating identities is not allowed) ****
DECLARE tableColumns CURSOR FOR
SELECT column_name FROM information_schema.columns
WHERE '[' + table_schema + '].[' + table_name + ']' = #Table
AND column_name <> #IdColumn
OPEN tableColumns
DECLARE #columnName VARCHAR(100)
DECLARE #columns VARCHAR(4000)
SET #columns = ''
FETCH NEXT FROM tableColumns INTO #columnName
WHILE ##FETCH_STATUS = 0
BEGIN
SET #columns = #columns + #columnName
FETCH NEXT FROM tableColumns INTO #columnName
IF ##FETCH_STATUS = 0 SET #columns = #columns + ', '
END
CLOSE tableColumns
DEALLOCATE tableColumns
--**** GENERATE FOREIGN ROW UPDATE SQL ****
DECLARE foreignkeys SCROLL CURSOR
FOR
SELECT con.name,
'[' + SCHEMA_NAME(f.schema_id) + '].[' + f.name + ']' fTable, fc.column_name ,
'[' + SCHEMA_NAME(p.schema_id) + '].[' + p.name + ']' pTable, pc.column_name
FROM sys.foreign_keys con
INNER JOIN sysforeignkeys syscon
ON con.object_id = syscon.constid
INNER JOIN sys.objects f
ON con.parent_object_id = f.object_id
INNER JOIN information_schema.columns fc
ON fc.table_schema = SCHEMA_NAME(f.schema_id)
AND fc.table_name = f.name
AND fc.ordinal_position = syscon.fkey
INNER JOIN sys.objects p
ON con.referenced_object_id = p.object_id
INNER JOIN information_schema.columns pc
ON pc.table_schema = SCHEMA_NAME(p.schema_id)
AND pc.table_name = p.name
AND pc.ordinal_position = syscon.rkey
WHERE '[' + SCHEMA_NAME(p.schema_id) + '].[' + p.name + ']' = #Table
OPEN foreignkeys
DECLARE #FKeyName VARCHAR(100)
DECLARE #FTable VARCHAR(100)
DECLARE #FColumn VARCHAR(100)
DECLARE #PTable VARCHAR(100)
DECLARE #PColumn VARCHAR(100)
--**** RE-WRITE ALL IDS IN THE TABLE ****
SET #sql='DECLARE tablerows CURSOR FOR
SELECT CAST('+#IdColumn+' AS VARCHAR) FROM '+#Table+' ORDER BY '+#IdColumn
PRINT(#sql)
exec(#sql)
OPEN tablerows
DECLARE #rowid VARCHAR(100)
DECLARE #id VARCHAR(100)
FETCH NEXT FROM tablerows INTO #rowid
WHILE ##FETCH_STATUS = 0
BEGIN
--generate new id
INSERT INTO #IdTable VALUES ('')
SELECT #id = CAST(##IDENTITY AS VARCHAR)
IF #rowId <> #Id
BEGIN
PRINT('Modifying '+#Table+': changing '+#rowId+' to '+#id)
SET #sql='SET IDENTITY_INSERT ' + #Table + ' ON
INSERT INTO '+#Table+' ('+#IdColumn+','+#columns+') SELECT '+#id+','+#columns+' FROM '+#Table+' WHERE '+#IdColumn+'='+#rowId
--Updating all foreign rows...
FETCH FIRST FROM foreignkeys
INTO #FKeyName, #FTable, #FColumn, #PTable, #PColumn
WHILE ##FETCH_STATUS = 0
BEGIN
SET #sql = #sql + '
UPDATE '+#FTable+' SET '+#FColumn+'='+#id+' WHERE '+#FColumn+' ='+#rowId
FETCH NEXT FROM foreignkeys
INTO #FKeyName, #FTable, #FColumn, #PTable, #PColumn
END
SET #sql=#sql + '
DELETE FROM '+#Table+' WHERE '+#IdColumn+'='+#rowId
PRINT(#sql)
exec(#sql)
END
FETCH NEXT FROM tablerows INTO #rowid
END
CLOSE tablerows
DEALLOCATE tablerows
CLOSE foreignkeys
DEALLOCATE foreignkeys
--Revert to normal identity operation - update the identity to the latest id...
DBCC CHECKIDENT(#Table, RESEED, ##IDENTITY)
SET #sql='SET IDENTITY_INSERT ' + #Table + ' OFF'
PRINT(#sql)
exec(#sql)
FETCH NEXT FROM tables
INTO #Table, #IdColumn
END
CLOSE tables
DEALLOCATE tables
DROP TABLE #IdTable
--COMMIT
--ROLLBACK
Why don't you use negative numbers for your standard configuration values and continue to use positive numbers for other things?