What is the benefit of foreign key?
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Question: Below is the table city gender name delhi male a delhi female b mumbai male c mumbai female d delhi male e I want the o/p as follows: male female delhi 2 1 mumbai 1 1 Please help me in writing the query that can yield the o/p mentioned above?
How many sectors are in a partition?
What is union and union all keyword in sql and what are their differences?
what is inline view?
Given two tables Student(SID, Name, Course) and Level(SID, level) write the SQL statement to get the name and SID of the student who are taking course = 3 and at freshman level.
Why procedure is used in sql?
how can create data base link for tow servers (scott schema) give examples plz
What is meaning of <> in sql?
Explain the difference in execution of triggers and stored procedures?
what does it mean to have quoted_identifier on? : Sql dba
What is sql table?
What are the ddl commands?
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