Answer / divya kalra

Subqueries can often be re-written to use a standard outer
join, resulting in faster performance. As we may know, an
outer join uses the plus sign (+) operator to tell the
database to return all non-matching rows with NULL values.
Hence we combine the outer join with a NULL test in the
WHERE clause to reproduce the result set without using a
sub-query.

Answer / syed sajjad

Yes we can write using Common Table Expression (CTE). A Common Table Expression (CTE) is an expression that can be thought of as a temporary result set which is defined within the execution of a single SQL statement. A CTE is similar to a derived table in that it is not stored as an object and lasts only for the duration of the query.

Do you know what is blocking?

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Which tcp/ip port does sql server run on? How can it be changed?

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Where is trigger in sql server?

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How to Update from select query in sql server?

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what are the problems in logshipping?

3 Answers  

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How to select Distinct columns from the table, table having 20 columns and i want all coulmns

5 Answers   Wipro,

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What is Full Outer Join?

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Can we use Truncate command on a table which is referenced by FOREIGN KEY?

2 Answers   Shriram,

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What does normalization do to data?

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This question asked during interview, 2) At the end of each month, a new table is created for each bank that contains monthly metrics consolidated at the account level. The table naming convention is bankX_YYYYMM where X represents the numeric designation of the bank and YYYYMM indicates the 4 digit year and 2 digit month. The tables contain the following fields: name data type description account text account number registered boolean indicates whether the account is registered num_trans integer number of transactions made during the time period spend numeric(9,2) total spend during the time period a) Write a SQL query that will display the total number of transactions and total spend for "Bank1" during the 4th quarter of 2009. b) Write a SQL query that will display the total number of transactions and total spend at "Bank1" and "Bank2", broken out by registered vs. non-registered accounts, during January 2010 not sure what is correct answer and how to solve?

0 Answers   TCS,

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Can we make the the chages By Using the Sql if u know any function or process please inform me Actuall result: BRK1 Break 1 Part 1 00:01:00:00 60 BRK1 Break 1 Part 2 00:01:00:00 60 BRK2 Break 2 Part 1 00:01:00:00 60 BRK2 Break 2 Part 2 00:01:00:00 60 BRK2 Break 2 Part 3 00:01:00:00 60 BRK3 Break 3 Part 1 00:01:00:00 60 BRK3 Break 3 Part 2 00:01:00:00 60 Desired O/P: BRK1 Break 1 Part 1 00:01:00:00 60 Part 2 00:01:00:00 60 BRK2 Break 2 Part 1 00:01:00:00 60 Part 2 00:01:00:00 60 Part 3 00:01:00:00 60

0 Answers   Satyam,

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How can you set the threshold at which sql server will generate keysets asynchronously?

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