MySQL:使用DATE()函数可以将日期时间戳截断为日期。例如,可以使用以下语句将一个名为datetime的日期时间戳字段截断为日期: PostgreSQL:使用DATE_TRUNC()函数可以将日期时间戳截断为日期。例如,可以使用以下语句将一个名为datetime的日期时间戳字段截断为日期: PostgreSQL:使用DATE_TRUNC()函数可以将日期时间
2019-12-05 15:04 −Oracle中的delete、truncate和drop(1)delete语句执行删除的过程是每次从表中删除一行,并且同时将该行的删除操作 作为事务记录在日志中保存以便进行进行回滚操作。truncate则... 清欢QQ 0 2379 SqlServer 安装 2019-12-08 16:01 −> 环境:win10 64位,SqlServer2014 64位 ### 启动setup...
SQL>CREATETABLEinterval_sale2(prod_idNUMBER(6)3,cust_idNUMBER4,time_idDATE5)6PARTITIONBYRANGE(time_id)7INTERVAL(NUMTOYMINTERVAL(1,'YEAR'))8(PARTITIONp0VALUESLESSTHAN(TO_DATE('1-1-2003','DD-MM-YYYY')),9PARTITIONp1VALUESLESSTHAN(TO_DATE('1-1-2004','DD-MM-YYYY')),10PARTITIONp2VALUE...
SQL>create table test012(3col1 number,4col2 number,5col3 date,6col4varchar2(30),7col5varchar2(100)8);Table createdSQL>--创建自增序列SQL>CREATESEQUENCEseq012STARTWITH13MAXVALUE999999994MINVALUE05CYCLE6CACHE107ORDER;Sequence createdSQL>--创建随机数据插入存储过程,其中col1列单调递增 create or r...
SQL>set serveroutput onSQL>set time on 14:01:09 SQL> exec fy_recover_data.recover_truncated_table('TEST','TEST01');14:01:13: Use existing Directory Name: FY_DATA_DIR14:01:13: Recover Table: TEST.TEST01$14:01:14: Restore Table: TEST.TE...
For more information, seeOracle to SQL Server Migration. Sandeep,March 02, 2014 6:21 am SQLServer: - Get current datetime with the time set to zero SELECT CONVERT(DATETIME, CONVERT(DATE, GETDATE())); Gives Error: Type DATE is not a defined system type....
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options SQL> set serveroutput on SQL> set time on 14:01:09 SQL> exec fy_recover_data.recover_truncated_table('TEST','TEST01');...
This was a real concern for most of the DBA’s and developers and this feature was in demand from a long time. We can look this message into sys. messages table in SQL Server 2019; message id 2628 contains this SQL truncate error message. We can see the table contains error messages...
SQL>select current_scn from v$database; //查看数据scn SQL>alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';SQL>select sysdate from dual;SQL>select * from table1 as of scn xxxx;SQL>select * from table1 as of timestamp '2009-02-08 14:12:23'分析...
SQL>settimeon11:11:43SQL>setserveroutputon11:11:54SQL>execfy_recover_data.recover_truncated_table('LIJIAMAN','TEST01');11:12:01:Useexisting Directory Name: FY_DATA_DIR11:12:02: RecoverTable: LIJIAMAN.TEST01$11:12:02:RestoreTable: LIJIAMAN.TEST01$$11:12:09: CopyfileofRecover Tablespa...