What is a trigger? Why we need it?
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What is order of B+tree?
how to rest identity columns in sql server
what is sql injection in sql server?
What is the language structure to add a record to a table?
What is Data model and how to prepare a data model.?
1. SELECT SUM(sal) as “Gross Salary” from EMPLOYEES; 2. SELECT MAX(sal) as “Highest Salary” from EMPLOYEES; ouput should be in table format
What are constraints? Explain different types of constraints?
26 Answers Emsang, Kendriya Vidyalaya(Kvs), Polaris, Wipro,
Explain the difference between control flow and data flow?
What is subquery? Explain the properties of a subquery?
How do you find the error, how can you know the number of rows effected by last SQL statement?
What is merge statement?
Can sql servers linked to other servers like oracle?
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