adspace
Answer Posted / Pradeep Nautiyal
"Query Optimization in SQL Server is the process of finding an efficient execution plan for a given database query, with the goal of minimizing resource consumption and improving performance. The database engine considers various factors such as statistics, indexes, and join order to determine the best possible plan."
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what is the Ticketing tool used in Wipro technologies at Bangalore...???
What are the pros and cons of putting a scalar function in a queries select list or in the where clause?
explain different types of backups avaialabe in sql server? Given a particular scenario, how would you go about choosing a backup plan? : Sql server database administration
How raid can influence database performance?
What kind of problems occurs if we do not implement proper locking strategy?
How can we solve concurrency problems?
Equi join and non equi join is possible with sql server?
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?
Disadvantages of the indexes?
How can I check that whether automatic statistic update is enabled or not?
You have a stored procedure, which execute a lengthy batch job. This stored procedure is called from a trigger you do not want to slow the data entry process you do not want trigger to wait for this batch job to finish before it completes itself what you can do to speed up the process?
List out the different types of locks available in sql server?
Why should you use or avoid select * statements?
Explain system functions or built-in functions? What are different types of system functions?
Does view occupy space?