在SQL Server中,你可以使用GETDATE()函数来获取当前时间,然后使用DATEADD函数来减去一小时。 sql SELECT DATEADD(HOUR, -1, GETDATE()) AS current_time_minus_one_hour; 4. Oracle 在Oracle数据库中,你可以使用SYSDATE或CURRENT_TIMESTAMP来获取当前时间,然后使用INTERVAL表达式来减去一小时。 sql SELECT SYSDATE...
date:要操作的日期时间值。 减去1小时的代码示例 下面是一个具体的示例,展示如何将当前时间减去1小时。 DECLARE@CurrentTimeDATETIMESET@CurrentTime=GETDATE()-- 获取当前时间SELECT@CurrentTimeASCurrentTime,DATEADD(HOUR,-1,@CurrentTime)ASTimeMinusOneHour 1. 2. 3. 4. 5. 在这个示例中,我们首先使用GETDATE...
制作时间戳时，只需从当前时间(毫秒)中减去一个小时(1小时= 60 * 60 * 1000毫秒)
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SQL_DATE、 SQL_DECIMAL、SQL_DOUBLE、SQL_FLOAT、SQL_INTEGER、SQL_INTERVAL_DAY、SQL_INTERVAL_DAY_TO_HOUR、SQL_INTERVAL_DAY_TO_MINUTE、SQL_INTERVAL_DAY_TO_SECOND、 SQL_INTERVAL_HOUR、SQL_INTERVAL_HOUR_TO_MINUTE、SQL_INTERVAL_HOUR_TO_SECOND、SQL_INTERVAL_MINUTE、SQL_INTERVAL_MINUTE_TO_SECOND、SQL...
+(plus) or-(minus) is the mandatory sign for a time zone offset. This sign indicates whether the time zone offset is added or subtracted from the UTC time to obtain the local time. The valid range of time zone offset is from-14:00to+14:00. ...
minussign 運算子 minussign unary 運算子 minute 函式 mod 函式 mode 函式 monotonically_increasing_id 函式 month 函式 months_between 函式 named_struct 函式 nanvl 函式 negative 函式 next_day 函式 not 運算子 now 函式 nth_value 函式 ntile 函式 nullif 函式 nullifzero 函式 nvl 函式 nv...
SQL_DL_SQL92_DATESQL_DL_SQL92_TIMESQL_DL_SQL92_TIMESTAMPSQL_DL_SQL92_INTERVAL_YEARSQL_DL_SQL92_INTERVAL_MONTHSQL_DL_SQL92_INTERVAL_DAYSQL_DL_SQL92_INTERVAL_HOURSQL_DL_SQL92_INTERVAL_MINUTESQL_DL_SQL92_INTERVAL_SECONDSQL_DL_SQL92_INTERVAL_YEAR_TO_MONTHSQL_DL_SQL92_INTERVAL_DAY_TO_HOURSQL_DL...
Current Date minus one year Current month and Previous Month Current Month vs Previous Month within single stored procedure Current Timestamp shows wrong time CURRENT WEEK SQL QUERY Cursor already exists Cursor vs Batch CURSOR vs. CTE Cursor with input-parameter Cursorfetch: The number of variables...
Defines a date that is combined with a time of a day that has time zone awareness and is based on a 24-hour clock. For an overview of all Transact-SQL date and time data types and functions, seeDate and Time Functions (Transact-SQL). For information and examples that are common to ...