6selectGETDATE()--当前时间7select@@CPU_BUSY/100--返回自上次启动SQL 以来 CPU 的工作时间,单位为毫秒8USEtempdbselect@@DBTSasw--为当前数据库返回当前 timestamp 数据类型的值。这一 timestamp 值保证在数据库中是唯一的。9select@@IDLEasw--返回SQL自上次启动后闲置的时间,单位为毫秒10select@@IO_BUSYASw...
S:select dateadd(mi,8,getdate()) value O:SELECT sysdate+8/60/24 vaule FROM DUAL; 45.求不同时区时间 S:不知道 O:SELECT New_time(sysdate,'ydt','gmt' ) vaule FROM DUAL; ---时区参数,北京在东8区应该是Ydt--- AST ADT 大西洋标准时间 BST BDT 白令海标准时间 CST CDT 中部标准时间 EST ...
@frequency_type = 1, @frequency_interval = 0, @frequency_relative_interval = 0, @frequency_recurrence_factor = 0, @frequency_subday = 0, @frequency_subday_interval = 0, @active_start_time_of_day = 0, @active_end_time_of_day = 0, @active_start_date = 0, @active_end_date = 1995...
Real-Time Operational Analytics: Compression Delay option with NCCI and the performance Real-Time Operational Analytics: Memory-Optimized Tables and columnstore index 对列存储索引进行碎片整理 使用REORGANIZE 命令的列存储索引碎片整理 REORGANIZE 的列存储索引合并策略 ...
system_time> ::= { AS OF <date_time> | FROM <start_date_time> TO <end_date_time> | BETWEEN <start_date_time> AND <end_date_time> | CONTAINED IN (<start_date_time> , <end_date_time>) | ALL } <date_time>::= <date_time_literal> | @date_time_variable <start_date_time>...
system_time> ::= { AS OF <date_time> | FROM <start_date_time> TO <end_date_time> | BETWEEN <start_date_time> AND <end_date_time> | CONTAINED IN (<start_date_time> , <end_date_time>) | ALL } <date_time>::= <date_time_literal> | @date_time_variable <start_date_time>...
@active_start_date=20080622, @active_end_date=99991231, @active_start_time=0, @active_end_time=235959, @schedule_id = @schedule_id OUTPUT select @schedule_id 【注意:sp_add_jobschedule存储过程是在msdb数据库中,在其他数据库中是没有该存储过程的。】 ...
system_time> ::= { AS OF <date_time> | FROM <start_date_time> TO <end_date_time> | BETWEEN <start_date_time> AND <end_date_time> | CONTAINED IN (<start_date_time> , <end_date_time>) | ALL } <date_time>::= <date_time_literal> | @date_time_variable <start_date_time>...
日期和时间类型:date、time、datetime、datetime2、smalldatetime、datetimeoffset、timestamp 二进制类型:binary、varbinary、image、cursor 其他类型:sql_variant、table、uniqueidentifier、xml Oracle SQL支持的数据类型包括: 数值类型:number、binary_float、binary_double 字符串类型:char、varchar2、clob、nclob 日期和时间类...
system_time> ::= { AS OF <date_time> | FROM <start_date_time> TO <end_date_time> | BETWEEN <start_date_time> AND <end_date_time> | CONTAINED IN (<start_date_time> , <end_date_time>) | ALL } <date_time>::= <date_time_literal> | @date_time_variable <start_date_time>...