Difference Between DateTime and SmallDateTime in SQL Server | SQL Interview Shorts
Hello everyone! Welcome to SKLEARNING SQL Server Interview Shorts. In this video, we’ll explore the Difference Between DateTime and SmallDateTime in SQL Server. These data types are crucial for handling date and time values efficiently in SQL databases.
✨ Key Takeaways:
SmallDateTime:
Accuracy: Up to 1 minute.
Storage Size: 4 bytes (fixed).
Character Length: Maximum of 19 positions.
Date Range: 1900-01-01 to 2079-06-06.
Suitable for applications where minute-level accuracy is sufficient.
DateTime:
Accuracy: Rounded to increments of .000, .003, or .007 seconds.
Storage Size: 8 bytes (fixed).
Character Length: Maximum of 19 positions.
Date Range: 1753-01-01 to 9999-12-31.
Ideal for applications requiring high precision and extended date range.
💡 Usage Recommendations:
Use SmallDateTime for smaller date ranges and minute-level accuracy to save storage.
Use DateTime for precise time tracking and broader date ranges.
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