Can you insert NULL in unique column?

0 Answers   MCN Solutions,

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In my application I have a process which picks the scanned files (tif format) from a shared location and it links to application and shown on it.The actuall issue is that my process picks the file before it is completly written or scanned which results in displaying few parts of the image or incomplete image.I need to check if the file is not completly scanned or written then do not link it to application.Please help if any body tell me that how can i check that file is in written phase or locked through DTS.thanking you in advance

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How to create a user to access a database in ms sql server using "create user" statements?

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What is global temp table?

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I have a table in which phno is one of the columns.i do have some values in tht phno column.i need to update phno column values with 0(zero) as prefix.give me a correct solution plz...

7 Answers   Value Labs,

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How many clustered indexes can be created on a table? I create a separate index on each column of a table. what are the advantages and disadvantages of this approach?

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what is a schema in sql server 2005? : Sql server database administration

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How retrieve field names from the table in SQL through JAVA code?

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What is the difference between a local and a global temporary table?

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How to run queries with sql server management studio express?

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Does a specific recovery model need to be used for a replicated database? : sql server replication

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Explain what is sql server english query?

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