In this tip I will explain how to maintain running numbers in SQL Server. There could be situations where you need...
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to club records of two different tables and maintain the running number. In that situation my query would be useful. It works in SQL Server 7 and 2000.
Let us assume that the values for Table 1 and Table 2 are as follows:
Table1 | Table 2 ID Name | ID Name ------- | --------- 1 aaa | Null ddd 2 bbb | Null eee 3 ccc | Null fffFrom the above sample records, the question is how to write a query to fetch the result as follows:
1. aaa 2. bbb 3. ccc 4. ddd 5. eee 6. fffHere is the solution:
Select a.ID, a.Name from Table1 a UNION Select DISTINCT a.ID + (Select MAX(ID) from Table1), b.Name from Table1 a, Table2 b ORDER by 1
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