1.getTime() 精确到毫秒 let date = new Date() let timeStamp = date.getTime() console.log(...
Compute the current date. SELECT date('now'); Compute the last day of the current month. SELECT date('now','start of month','+1 month','-1 day'); Compute the date and time given a unix timestamp1092941466. SELECT datetime(1092941466,'unixepoch'); Compute the date and time given a...
Compute the current date. SELECT date('now'); Compute the last day of the current month. SELECT date('now','start of month','+1 month','-1 day'); Compute the date and time given a unix timestamp1092941466. SELECT datetime(1092941466,'unixepoch'); Compute the date and time given a...
它也被称为 Unix 时间戳（Unix Timestamp）。public classApp {public static voidmain(String[] args...
它能够支持Windows/Linux/Unix等等主流的操作系统,同时能够跟很多程序语言相结合,比如 Tcl、C#、PHP、Java等,还有ODBC接口,同样比起Mysql、PostgreSQL这两款开源的世界著名数据库管理系统来讲,它的处理速度比他们都快。 SQLite特性 零配置一无需安装和管理配置;储存在单一磁盘文件中的一个完整的数据库;数据库文件可以...
SQLite uses a timestamp type to store date and time information.The timestamp type in SQLite is a dynamic typing system that can automatically convert between various date and time formats.It can store both date and time components, including year, month, day, hour, minute, second, and even...
Datetime Storage:Use TEXT or INTEGER (UNIX timestamp) to store date and time values. Binary Data:Store images, files, or other binary data using BLOB type. Numeric Values:Prefer REAL for floating-point and INTEGER for whole numbers.
7. current_date returns current date as YYYY-MM-DD 8. current_timestamp returns current timestamp as YYYY-MM-DD HH:MM:SS You can specify zero or more modifiers, which allow you to do arithmetic before returning the value. You can use julian day in place of unix timestamps. Note, usi...
-- Subtract 3 hours from the current date and time SELECT DATETIME('now', '-3 hours'); Explanation: Modifiers like +7 days and -3 hours allow date/time arithmetic. 3. Converting Unix Timestamps to Datetime Code: -- Convert a Unix timestamp to a human-readable datetime format ...
date_sub datediff day dayofmonth dayofweek decode degrees dense_rank div e elt encode ewah_bitmap ewah_bitmap_and ewah_bitmap_empty ewah_bitmap_or exp explode field find_in_set first_value floor format_number from_unixtime from_utc_timestamp ...