Hour 12. Understanding Dates and Times
In this hour, you learn about the nature of dates and time in SQL. Not only does this hour discuss the DATETIME data type in more detail; you see how some implementations use dates, some of the common rules, and how to extract the date and time in a desired format.
The highlights of this hour include
Understanding dates and time
How date and time are stored
Typical date and time formats
How to use date functions
How to use date conversions
Note
As you know by now, there are many different SQL implementations. This book shows the ANSI standard and the most common non-standard functions, commands, and operators. Oracle is used for the examples. Even in Oracle, the date can be stored in different formats. You ...
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