You can use the date and time functions to query an SQL database for records related to a specific date and time. For example, you can use the CURDATE() function in MySQL to get data with a date field value equal to the current date....
SELECTLOCALTIME; Here’s the result of the query: 22:15:51.987914 Discussion The PostgreSQL functionLOCALTIMEreturns the current time on the machine running PostgreSQL. It returns it as a time data type in thehh:mm:ss.nnnnnnformat. In this format: ...
$current_date_time =getCurrentDateTimeInMySQL(); $session_data = serialize($item->_data);include_once'functions/text_functions.php'; $query ="UPDATE session SET session_value='". encode(AS_DB, $session_data) ."',\n created='". $current_date_time ."'\n WHERE session_id='". encode...
Calendar calendar=Calendar.getInstance();longstartTime=System.currentTimeMillis();for(longi=0;i<100000;i++){longdate1=calendar.getTimeInMillis(); } System.out.println("calender花费的时间:"+(System.currentTimeMillis()-startTime));longstartTime2=System.currentTimeMillis();for(longi=0;i<100000;...
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SQL 複製 SELECT 'SYSDATETIME() ', CONVERT (date, SYSDATETIME()); SELECT 'SYSDATETIMEOFFSET()', CONVERT (date, SYSDATETIMEOFFSET()); SELECT 'SYSUTCDATETIME() ', CONVERT (date, SYSUTCDATETIME()); SELECT 'CURRENT_TIMESTAMP ', CONVERT (date, CURRENT_TIMESTAMP); SELECT 'GETDATE() ', ...
NoSQL 复制 GetCurrentTimestamp() 返回类型 返回一个有符号的数值,该值表示自 Unix 纪元 (00:00:00 Thursday, 1 January 1970) 以来当前已经过的豪秒数。 示例 以下示例演示如何获取当前时间戳。 NoSQL 复制 SELECT VALUE { currentTimestamp: GetCurrentTimestamp() } JSON 复制 [ { "currentTime...
The following examples use the six SQL Server system functions that return current date and time to return the date, time or both. The values are returned in series; therefore, their fractional seconds might be different. A. Getting the current system date and time Copy SELECT 'SYSDATETIME(...
GetCurrentTimestamp() 傳回類型 傳回帶正負號的數值,表示從 Unix epoch ()00:00:00 Thursday, 1 January 1970以來經過的目前毫秒數。 範例 下列範例示範如何取得目前的時間戳記。 NoSQL SELECTVALUE{currentTimestamp: GetCurrentTimestamp()} JSON
NoSQL 複製 SELECT i.id, i.pk AS partitionKey, GetCurrentTimestamp() AS nonStaticTimestamp, GetCurrentTimestampStatic() AS staticTimestamp FROM items i JSON 複製 [ { "id": "1", "partitionKey": "A", "nonStaticTimestamp": 1687977636235, "staticTimestamp": 1687977636232 }, { "id"...