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SQL Server 2000 General discussion of Microsoft SQL Server -- for topics that don't fit in one of the more specific SQL Server forums. version 2000 only. There's a new forum for SQL Server 2005.
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Old July 23rd, 2003, 04:47 AM
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Default inserting into joined tables

I need to insert data into 2 linked tables which have unique identifiers created automatically (set as an identity in sql server). Do i need to execute multiple statements in order to do the insert or can it be done with just one.

If i do it with multiple statements how do i return the unique id from table 1 in order to insert into table 2.

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Old July 23rd, 2003, 04:59 AM
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After you do the 1st insert, select @@identity (or SCOPE_IDENTITY() in SQL 2000) to get the id you need to insert in the 2nd table.
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Old July 23rd, 2003, 05:02 AM
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This has to be done using multiple statements. e.g.

Insert table1
values ('x', 'x')

declare @ident numeric
select @ident = IDENT_CURRENT('table1')

Insert table2
values (@ident, 'x', 'x')
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Old July 23rd, 2003, 06:10 AM
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The use of IDENT_CURRENT() in this situation is not wise. IDENT_CURRENT() returns the last identity value used for the indicated table across all connections. Thus, it is quite possible that you could run into concurrency issues (another user also inserts into 'Table1'). Much better to use scope_identity() here.

Jeff Mason
Custom Apps, Inc.
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