Advantages of DBMS
| Advantage | Meaning |
|---|
| Reduced redundancy | Data stored once, linked by keys |
| Consistency | One update reflects everywhere |
| Data sharing | Many users at once |
| Security | User-level permissions |
| Integrity | Constraints keep data valid |
| Backup & recovery | Automatic protection |
Limitations of DBMS
- Cost: Software, hardware and trained staff are expensive.
- Complexity: Designing and managing needs skill.
- Size: DBMS software itself takes large memory/disk.
- Risk: If the central database fails, everything stops (single point).
Summary
- Advantages: less redundancy, consistency, sharing, security, integrity, recovery.
- Limitations: cost, complexity, size and central failure risk.
DBMS के फायदे
| फायदा | मतलब |
|---|
| कम redundancy | Data एक बार store, keys से linked |
| Consistency | एक update हर जगह दिखता है |
| Data sharing | कई users एक साथ |
| Security | User-level permissions |
| Integrity | Constraints data valid रखते हैं |
| Backup & recovery | अपने आप protection |
DBMS की सीमाएं
- Cost: Software, hardware और trained staff महंगे हैं।
- Complexity: Design व manage करने में skill चाहिए।
- Size: DBMS software खुद बड़ी memory/disk लेता है।
- Risk: Central database fail हुआ तो सब रुक जाता है (single point)।
सारांश
- फायदे: कम redundancy, consistency, sharing, security, integrity, recovery।
- सीमाएं: cost, complexity, size और central failure risk।
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