Which data type should be used to store the date?
Table of Contents
- 1 Which data type should be used to store the date?
- 2 Which datatype is used to store date in MySQL?
- 3 Is date quantitative or qualitative?
- 4 Which data type should you choose when you need to store dates and times that include time zone information?
- 5 Is date a varchar or INT?
- 6 How does MySQL store date?
Which data type should be used to store the date?
DateTime
Introduction
| Data type | Comments |
|---|---|
| DateTime | Is used to store date and time between 01/01/1753 to 31/12/9999. Minimum unit of time it keeps is milliseconds with an accuracy of 3.33 ms. Takes 8 bytes for storage. |
Which datatype is used to store date in MySQL?
DATETIME type
The DATETIME type is used for values that contain both date and time parts. MySQL retrieves and displays DATETIME values in ‘ YYYY-MM-DD hh:mm:ss ‘ format. The supported range is ‘1000-01-01 00:00:00’ to ‘9999-12-31 23:59:59’ . The TIMESTAMP data type is used for values that contain both date and time parts.
Can I use varchar for date?
You can store date in a VARCHAR column, you can also store non-dates in that VARCHAR column.
How should I store dates in SQL?
SQL Server comes with the following data types for storing a date or a date/time value in the database: DATE – format YYYY-MM-DD….SQL Date Data Types
- DATE – format YYYY-MM-DD.
- DATETIME – format: YYYY-MM-DD HH:MI:SS.
- TIMESTAMP – format: YYYY-MM-DD HH:MI:SS.
- YEAR – format YYYY or YY.
Is date quantitative or qualitative?
They are ordinal, as one date is bigger than the date before it. It is also quantitative as it can added, subtracted…etc.
Which data type should you choose when you need to store dates and times that include time zone information?
Datetime and Interval Data Types. The datetime data types are DATE , TIMESTAMP , TIMESTAMP WITH TIME ZONE, and TIMESTAMP WITH LOCAL TIME ZONE . Values of datetime data types are sometimes called datetimes.
Which datatype is best to store the date and time?
The DATETIME type is used when you need values that contain both date and time information. MySQL retrieves and displays DATETIME values in ‘YYYY-MM-DD HH:MM:SS’ format. The supported range is ‘1000-01-01 00:00:00’ to ‘9999-12-31 23:59:59’.
Does MySQL date Store time?
MySQL stores DATETIME without timezone information. Let’s say you store ‘2019-01-01 20:00:00’ into a DATETIME field, when you retrieve that value you’re expected to know what timezone it belongs to.
Is date a varchar or INT?
A calendar date is stored internally as an integer value equal to the number of days since December 31, 1899. Because DATE values are stored as integers, you can use them in arithmetic expressions. For example, you can subtract a DATE value from another DATE value.
How does MySQL store date?
MySQL DATE is one of the five temporal data types used for managing date values. MySQL uses yyyy-mm-dd format for storing a date value. Instead, you follow the standard date format and use the DATE_FORMAT function to format the date the way you want. MySQL uses 3 bytes to store a DATE value.
How does mysql store time?
For the time interval, you can use the ‘D HH:MM:SS’ format where D represents days with a range from 0 to 34. A more flexible syntax is ‘HH:MM’ , ‘D HH:MM’ , ‘D HH’ , or ‘SS’ . If you use the delimiter:, you can use 1 digit to represent hours, minutes, or seconds. For example, 9:5:0 can be used instead of ’09:05:00′ .
How does DB store date time?
To store information in a database, I would use a char column-type to store the whole America/Santiago timezone identifier and another char column-type to store the date/time (in the yyyy-mm-dd hh:ii:ss format). Alternatively, you can pick a ‘datetime’ column-type, as long as that type ignores timezones altogether.