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 / rao
generally if n tables will n-1 joins
here 4 tables 3joins
Is This Answer Correct ? | 3 Yes | 2 No |
Post New Answer View All Answers
what are the t string functions available in tsql? : Transact sql
What is clustered and nonclustered index in sql?
Which command is used to call a stored procedure?
What is compute?
What are primary key and foreign key and how they work?
what are the limitations of mysql in comparison of oracle? Mysql vs. Oracle. : Sql dba
What is sql indexing?
What is trigger and types?
What is a pdo connection?
What is recursive stored procedure?
What version is sql?
What is the purpose of the primary key?
Write a sql query to get the third highest salary of an employee from employee_table?
Explain locks? : Transact sql
What is group by in sql?