adspace
I have to display ten columns values from diffrent ten
tables.
how many joins are require?
Answer Posted / anil sharma
If there is no relation between tables then no joins.And if
there relation and you want to fetch related data then 9
join required if parent table has all foreign key of their
tables.
| Is This Answer Correct ? | 29 Yes | 2 No |
Post New Answer View All Answers
What are the source of constraints?
What are wait types?
What are the different types of subquery?
Is there any performance difference between if exists (select null from table) and if exists (select 1 from table)?
What are the properties of the transaction?
How efficient you are in oracle and SQL server?
Why and when do stored procedure recompile?
What is sql or structured query language?
What is in place upgrade in sql server?
Equi join and non equi join is possible with sql server?
How can I check that whether automatic statistic update is enabled or not?
What are the different subsets of sql?
How do I start sql server 2017?
How to provide default values to function parameters?
Why should you use or avoid select * statements?