types of time zones in usa

MySQL date data type and time type usage summary MySQL date type: Date format, storage space occupied, date range comparison. Date type storage space date format date range -----------------------------------------------------------------------------

MySQL date type: Date Format, storage space occupied, and date range comparison.Date type storage space date format date range-----------------------------------------------------------------------------------Datetime 8 bytes YYYY-MM-DD hh: mm: SS 10

MySQL obtains the function Summary of the current date and time. For more information, see. MySQL obtains the function Summary of the current date and time. For more information, see. 1.1 obtain the current date + time (date + time) function: now ()

MySQL: Summary of date functions and time functions bitsCN.com Published inWww.sqlstudy.com1. MySQL obtains the current date and time function 1.1 obtain the current date + time (date + time) function: now () mysql> select now();+-------------------

1.1 obtain the current date + time (date + time) function: now () Mysql> select now (); + --------------------- +| Now () |+ --------------------- +| 22:20:46 |+ --------------------- +In addition to the now () function, MySQL also has the

MySQL obtains the current date and time stamp function bitsCN.com MySQL returns the current date, time, and timestamp. 1.1 obtain the current date + time (date + time) function: now () Mysql> select now (); + ------- + | Now () | + ------- + | 22:2

MySQL returns the current date and time function summary bitsCN. com1.1 returns the current date + time (date + time) function: now () Mysql> select now (); + --------------------- + | Now () | + --------------------- + | 22:20:46 | + -------------

Use of Date: 1. Date of Creation 2. Date format display 3. Conversion of dates 4, two date size comparison, date of the addition and subtraction Some knowledge: Carve-out of 24 time zones worldwide Greenwich Mean Time GMT World Coordination Time

Detailed description of mysql to obtain the current date and format, detailed description of mysql current date MySQL obtains the current date and Date Format Get system date: NOW () Format date: DATE_FORMAT (date, format) Note: date: Time

A typical application running environment includes the operating system, user function library, file system, and environment settings. If a running environment contains all these key components, the application itself cannot distinguish whether it