A table was given with 3 columns like Manager id,Manager
Name and Employee name.
Question was to create hierarchy.
Answers were Sorted based on User's Feedback
Answer / sharad kumar
select manager name,employee name,level
from table_name
start with manager name is null /* optional*/
connect by prior nocycle employee name = manager name
/*Child = Parent */
| Is This Answer Correct ? | 20 Yes | 0 No |
Answer / sankar
select manager name,employee name,level from table_name
start with manager_name is null/* optional */ connect by prior
no cycle employee name=manager name/*child=parent*/
| Is This Answer Correct ? | 1 Yes | 0 No |
What is function and procedure in pl sql?
What is an escape character in sql?
Can a varchar be a primary key?
How insert into statements in sql?
Can we use rowid as primary key?
Can delete statement be rollbacked?
What is pl sql script?
i have a table t1 a math 20 b phy 30 cchemisty 10 a math 40 b phy 23 c che 21 a math15 bphy 33 c che 56 write a quire to find out the max markr of each subject
I want to know the difference between A Record Type and a Table.
Can we use views in stored procedure?
if a table is getting updated what happens if a function is called from sql query?
What are different types of joins ?
Oracle (3253)
SQL Server (4518)
MS Access (429)
MySQL (1402)
Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)
DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)
Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)
Database Management (1411)
Databases AllOther (288)