What is the use of sql profiler in sql server 2012?

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Assume,there are three tables in a database, Can i have both primary key and foreign key for each table in the same database?

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my problem is tempdb tempdb(dbname) 77752.95 MB(db size) 25345.03 MB (unallocated size) suppose i increased temp db size 10 gb . after increase the temp db showing 87 gb (dbsize) 25346.03MB(unallocated size)--unallocated size is showing same .please clarify.

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Which are ddl commands?

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You are designing a database for your human resources department in the employee table, there is a field for social security number, which cannot contain null values if no value is given, you want a value of unknown to be inserted in this field what is the best approach?

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what are defaults? Is there a column to which a default can't be bound? : Sql server database administration

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What is indexing?

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Hi All, I want to display all duplicate records in the table. My query has to fetch all the records which are duplicate(First Name or Last Name). Also I want the ability to also pull names where there might be a middle initial placed in the end of the first name field, (i.e., "Maria Z. " vs. "Maria") as well. Please guide me to find this. Table: ID FirstName LastName 1 Zach H Hoffman 2 Zach Hoffman 3 Troy Hoffman 4 Shawn Livermore 5 Prem S 6 Jony Hoffman H 7 Zach Modan I need the query to filter......... ID FirstName LastName 1 Zach H Hoffman 2 Zach Hoffman 3 Troy Hoffman 6 Jony Hoffman H 7 Zach Modan I hope this example will give you clear idea..... Thanks in Advance Prem

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Is port 1433 secure?

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How to connect ms access to sql servers through odbc?

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What is the default server name for sql server?

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How to use group functions in the select clause in ms sql server?

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