SELECTDATE_FORMAT(CURRENT_TIMESTAMP,'%Y-%m-%d %H:%i:%s')ASformatted_time; 5.DATE_ADD 功能:在日期上增加指定的时间间隔。 示例:计算一周后的日期。 代码语言:javascript 代码运行次数:0 复制 Cloud Studio代码运行 SELECTDATE_ADD('DAY',7,CURRENT_DATE)ASone_week_later; 6.DATEDIFF 功能:计算两个日期...
BACKUP DATABASE FULL BACKUPSET '/home/dm_bak/db_bak_for_batch_del'; SELECT SF_BAKSET_BACKUP_DIR_ADD('DISK','/home/dm_bak'); SP_DB_BAKSET_REMOVE_BATCH('DISK', NOW()); 9)SP_TS_BAKSET_REMOVE_BATCH定义:SP_TS_BAKSET_REMOVE_BATCH (...
create tablespace tps_hxl datafile '/dmdbms/data/slnngk/tps_hxl01.DBF' size 1024 autoextend on maxsize 32768; ##这里单位是M,文件目录存储在/dmdata/dmdb/DAMENG,这里设置文件最大值,不设置的话就是16TB alter tablespace tps_hxl add datafile '/dmdbms/data/slnngk/tps_hxl02.DBF' size 1024 autoe...
SQL> create tablespace jc_data datafile '/data/dm/data/testdb/JC_DATA01.DBF' size 1024 autoextend on next 20 maxsize 10240 CACHE = NORMAL; 操作已执行 已用时间: 47.190(毫秒). 执行号:866. /** 扩展指定的表空间 */ SQL> alter tablespace jc_data add datafile '/data/dm/data/testdb/JC_...
/** 创建表空间*/SQL>createtablespace jc_data datafile'/data/dm/data/testdb/JC_DATA01.DBF'size1024autoextendonnext20maxsize10240CACHE=NORMAL; 操作已执行 已用时间:47.190(毫秒). 执行号:866./** 扩展指定的表空间*/SQL>altertablespace jc_dataadddatafile'/data/dm/data/testdb/JC_DATA02.DBF'size...
ALTERDATABASE MOUNT;ALTERDATABASE ARCHIVELOG;ALTERDATABASEADDARCHIVELOG'DEST=/dmarch, TYPE=LOCAL, FILE_SIZE=2048, SPACE_LIMIT=102400';ALTERDATABASEOPEN; 方法二:修改数据库配置文件方式开启归档 ##修改数据库实例的 /dmdata/DAMEGN/dm.ini文件中 ARCH_INI 参数值vi /dmdata/DAMENG/dm.ini##将 ARCH_INI...
ALTER DATABASE MOUNT; ALTER DATABASE ADD ARCHIVELOG 'DEST=/dm/dmarch/hisdb,TYPE = local,FILE_SIZE =256,SPACE_LIMIT = 0'; ALTER DATABASE ARCHIVELOG; ALTER DATABASE OPEN; select arch_mode from v$database; select * from v$dm_arch_ini; ...
[Feature][DataSource] add DM(达梦) data source (Issueapache#9467) 76b24c4 Contributor leniancommentedNov 7, 2022 lenianmentioned this issueNov 9, 2022 SbloodySadded this to the3.2.0milestoneNov 10, 2022 Tianqi-Doteschanged the title[Feature][DataSource] add DM(达梦) data sourceJan 4, ...
备份首先要开归档 SQL> alter database mount; #mount状态 SQL> alter database add archivelog ‘type=local,dest=/dm7/arch,file_size=64,space_limit=0’; #设置归档路径 SQL> alter database archivelog; #开归档 查看的相关命令 SQL> alter database open; #open状态 SQL> select name,status ...
1)开启归档模式(即select arch_mode from v$database; =Y) >alter database mount; >alter database add archivelog 'type=local,dest=/dm8/arch,file_size=64,s pace_limit=0'; > alter database archivelog; > alter database open; 2)备份 ...