In performance wise distinct is good or group by is good? eg:select name from emp group by name; select distinct name from emp;
5 23583If you are working on a SQL database and if suddenly a developer changes the code and your queries results start giving errors,how will you check using a T-SQL query (on system tables) that what has changed in the database.
2 7206
What are the different types of indexes?
What is use of except clause? How does it differ from not in clause?
What are the steps to process a single select statement?
Do you know what is lock escalation?
what’s the difference between Covering Indexes and Clustered Indexes ? how to use clustered index small ?
Write a sql query to display the current date?
last function used in MS Access to convert sql what function will use in sql
what is the difference between openrowset and openquery?
What is a DBMS, query, SQL?
my name is sejal I have cleared the sbi clerk exam. I am BCA graduate My favorite subject RDBMS Relational database management system. so please send me rRDBMS related interview questions
What is log shipping?
Tell me what are the essential components of sql server service broker?
What is a transact-sql statement?
What are advantages of ssrs or why we should use ssrs?
Write a query to include a constraint, to check whether the employee salary is greater than 5000?