若使用了“ALTER DATABASE DATAFILE N OFFLINE DROP;”命令,则并不会删除数据文件,这个时候可以先ONLINE后再用“ALTER TABLESPACE XXX DROP DATAFILE N;”删除。如果执行“ALTER DATABASE DATAFILE N OFFLINE DROP;”后并在OS级别删除了数据文件,那么首先需要使用“ALTER
oracle 常用command Lunatic 整理 1. 删除表的注意事项 在删除一个表中的全部数据时,须使用TRUNCATE TABLE 表名;因为用DROP TABLE,DELETE * FROM 表名时,TABLESPACE表空间该表的占用空间并未释放,反复几次DROP,DELETE操作后,该TABLESPACE上百兆的空间就被耗光了。 2.having 子句的用法 having 子句对 group by 子...
--path string Indicates the directory of a file to which data is to be exported. Default value is config.target.parameter.path. If not configured, the system default value ./data Command Value > Config Value > MTK Default Value --preRun preRun check. -r, --reportFile string Set mtk ...
temporary tablespace TEMP profileDEFAULT;grantcreateuser,dropuser,alteruser,createanyview,selectanytable,deleteanytable,insertanytable,updateanytable,dropanyview,exp_full_database,imp_full_database,createdatabase link,connect,resource,createsessiontousername;--如果是12c数据库还需要加上一条alteruserusername QU...
DROP PARTITION command. Attempting to purge the partitioned tables most likely causes the parsing performance problem. If partitions must be purged, then also shrink the partitions. For more information, see Section 9.5, "Understanding Space Management." B.2.3 Reducing Audit Levels This section ...
The following program uses dynamic SQL Method 1 to create a table, insert a row, commit the insert, then drop the table. This program is available on-line in your demo directory in the file sample6.pc./* * sample6.pc: Dynamic SQL Method 1 * * This program uses dynamic SQL Method ...
as well as all documentation files into C:\ora2pg\ To install ora2pg in a different directory than the default one, simply use this command: perl Makefile.PL PREFIX=<your_install_dir> make && make install then set PERL5LIB to the path to your installation directory before using Ora2Pg...
4 Update the /etc/hosts directory. 5 Create the cellip.ora and cellinit.ora files 6 Validate the hardware. 7 Validate the InfiniBand network. 8 Validate the cells. 9 Check RDS using the ping command. 10 Run the CALIBRATE command. 11 Validate the time and date. 12 Update the configuratio...
对于 CREATE TABLE 和 DROP TABLE 语句,返回值为 0。 对于其他所有类型的语句,返回值为 -1。 例外 InvalidOperationException 连接不存在。 或 连接未打开。 示例 以下示例创建 , OracleCommand 然后使用 执行它 ExecuteNonQuery。 该示例传递了一个字符串,该字符串是 SQL 语句 (,例如 UPDATE、INSE...
expdp schemas=scott dumpfile=expdp.dmp DIRECTORY=dpdata1; 1、创建逻辑目录. 该命令不会在操作系统创建真正的目录,最好以oracle等管理员创建。 sql>create directory dpdata1 as '/test/dump'; 查看管理理员目录(同时查看操作系统是否存在,因为Oracle并不关心该目录是否存在,如果不存在,则出错) ...