1 SELECT a.field1, b.field2, c.field3, d.field4
2 FROM atable a, atable b, ctable c, dtable d
3 ?
4 ORDER BY 1
What is the minimum number of joins that must be specified
on line 3 in the sample code above to properly link the
tables? Notice that the table "atable" is aliased twice:
once as "a" and once as "b."
1. One join
2. Two joins
3. Three joins
4. Four joins
5. Five joins
Answer Posted / mohan
There should be Three joins in where clause. no point of that the table "atable" is aliased twice. It will treat as two separate tables....
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
Explain the components of sql?
how can we submit a form without a submit button? : Sql dba
Which is faster count (*) or count 1?
Explain the rollback statement?
What is mutating sql table?
What are the qualities of 2nf?
What is a schema sql?
Why we use joins in sql?
Why we use triggers in mysql?
how to create a test table in your mysql server? : Sql dba
How is data stored on a disk?
How can we avoid duplicating records in a query?
How do I view output in sql developer?
What is sql profiler in oracle?
What is sqlerrm?