LOCALの直後に記述されたSTOREIN句は、hash_productsがハッシュ・パーティション化されていることを示します。Oracle Databaseは、tbs1表領域とtbs2表領域にハッシュ・パーティションを分散させます。 CREATE INDEX prod_idx ON hash_products(cat
Oracle Database does not verify that the directory you specify actually exists. Therefore, take care that you specify a valid directory in your operating system. In addition, if your operating system uses case-sensitive path names, be sure you specify the directory in the correct format. You n...
And the database can still use it. This is because it can filter the rows in the index. This is often faster than full scanning the table.*Starting in 11.2.0.2, Oracle Database can use function-based indexes to process queries without the function in the where clause. This happens in ...
Cause:Either proper permissions were not granted to create the directory or there was no space left in the volume. Action:Check your permission on the selected directory or choose another directory. Oracle Database Error Code INS-32012 The Oracle Database error codeINS-32012typically occurs during...
在OceanBase 数据库 Oracle 模式下,如果删除表中的任一索引列,则所创建的索引失效。 语法 CREATE[UNIQUE]INDEXindex_name ONtable_name(key_part,...)[index_type][index_options]index_type:USINGBTREEindex_options:index_option[index_option...]index_option:GLOBAL|LOCAL|COMMENT'string'|...
In this tutorial, you will learn how to use the Oracle CREATE USER statement to create a new user in the Oracle database.
SQL> grant create any directory to scott; 给scott用户创建目录的权限 Grant succeeded.SQL> conn scott/oracle; 连接scottConnected.SQL> create directory dir3 as '/u01/app/oracle'; 创建目录 Directory created.试着导出时使用该目录，发现成功。[oracle@oracle ~]$ expdp directory=dir...
253 254 通过使用 DATA DIRECTORY="directory" 或INDEX DIRECTORY="directory",你可以指定存储引擎在什么地方存放它的表和索引文件。注意,目录必须以一个完整路径指定(不是相对路径)。 这仅仅工作于 MySQL 4.0 中的MyISAM 表,并且你没有使用 --skip-symlink 选项。查看章节 5.6.1.2 对表使用符号链接。 255 6.5....
A geodatabase is created in your Oracle database. Messages about geodatabase creation are written to the sde_setup.log file, which is created in the directory specified for your %TEMP% variable on the computer where the tool is run. If you have any problems creating a geodatabase, check...
create or replace directory ext_files as '/path/to/files';To read the file toys.csv in /path/to/files, use this directory and define the file like so:Copy code snippet Copied to Clipboard Error: Could not Copy Copied to Clipboard Error: Could not Copy create table toys_csv ( toy...