Dates and times are a vital part of many database applications. While SQL does have a standard format, date and time functions vary widely from system to system.
- [Instructor] Dates and times have specific properties … that are important to understand in database systems. … They can be used for chronological and directional values … as well as for timestamps or other metadeta … within a system or application. … Dates and times are typically represented … in the standard SQL format, with the most significant … parts to the left and the least significant to the right. … This format lends itself well to database … sorting and searching operations. … Dates and times are generally stored as UTC. … UTC is technically equivalent to Greenwich Mean Time, … where the current date and time … at Greenwich, England without adjusting for summertime. … UTC is sometimes associated with Reykjavik, Iceland … because Reykjavik is always on UTC time … and does don't observe any seasonal time adjustments. … This standardization allows unambiguous, … relative date and time calculations across … local and international boundaries. … UTC is easily converted to and from local time zones …
This course was created by Bill Weinman. We are pleased to offer this training in our library.
- How databases are organized
- Selecting rows and columns
- Creating new tables
- Inserting and updating data
- Sorting and filtering
- Accessing related tables with JOIN
- Working with strings
- Understanding numeric types
- Using aggregate functions and transactions
- Automating data with triggers
- Creating views
- Using CRUD functions
Skill Level Beginner
2. SQL Overview
3. Fundamental Concepts
7. Dates and Times
Dates and times2m 6s
11. Views and Subselects
12. A Simple CRUD Application
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