SQL Server में Hierarchical और Recursive Queries
Jasmin Ludolf
Content Developer


आपको तीन ID चाहिए:
EquipmentIDEquipmentID_FromEquipmentID_To
HV - high Voltage, MV - medium voltage, LV - low voltage
Cable, Overhead Line, Transformer
good,bad,repair,exchange
बदली जाने वाली पावर लाइनों को खोजें
+-----------------+---------------------------+
| Line | Condition |
|-----------------|---------------------------|
| 1 | exchange |
|-----------------|---------------------------|
| 2 | repair |
|-----------------|---------------------------|
| 3 | bad |
+-----------------+---------------------------+

SQL Server में Hierarchical और Recursive Queries