SQL Server Interview Question: How to find sum of Positive numbers and Negative numbers in a column

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SQL Server Interview Question: How to find sum of Positive numbers and Negative numbers in a column
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i have duplicate records in my table in my flatfile file i have take only one id column with one value only(ex:-5) when i do look up flat file to oledb only first record getting in that table remaining records are not getting can you resolve my problem sir

manikantamokidi
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