1. Set back to delete before entering SqlplusBefore entering Sqlplus, execute the following command at the current terminal: Stty erase ' ^h '.Stty: Modify the terminal parameters. If you do not want to enter the terminal every time this command, in
first, what is Oracle Character Set
The Oracle character set is a collection of symbols that interpret a byte of data, have a size, and have a mutual containment relationship. ORACLE's support for national
The installation of Oracle Rac,grid and Oracle on AIX 7100-02-03-1334 is complete. But DBCA built the database crash, the following is the building of the Alert.log, the database reported ora-07445 error, DBCA log can be found in the CREATE database
--oracle See all of the user's table names, table comments, field names, field comments, empty, field type SELECT DISTINCT table_column.*, table_nallable. Data_type, table_nallable. NULLABLE from (SELECT DISTINCT
Paged query statements that are used in different databases:Current page: CurrentPagePage Size: pagesize1. Oracle DatabaseSELECT * FROM (select A.*,rownum rn from (query_sql) A) where Rn (current Page*pagesize)Note: query_sql is a query SQL
Disclaimer: This article transfers from the network article, reproduced this article only for the personal collection, shares the knowledge, if has the infringement, please contact the blogger to delete.Original LeshamiOriginal address:
Oracle DB 12c new feature: Raw device is no longer supported.Reference from:Announcement of De-support of using RAW devices in Oracle Database Version 12.1 (Doc ID 578455.1)Details:De-support of RawThe directory for this article is a notification
five advantages and disadvantages of Oracle RACdifferent cluster products have their own characteristics, RAC features include the following points: dual-machine parallel. RAC is a parallel mode, not a traditional master and standby mode. That is,
Bkjia.com exclusive Article]Oracle 11gR1 provides the ability to capture application loads in the production environment and replay loads in the testing environment, this technology is used to determine the impact on the performance of the system,
SQL statement implementation that limits the number of data queries in ORACLE and SYBASE databases
I. OverviewFor some software that needs to deal with a large amount of data through databases, processing performance is very important. In order to
In today's fast-paced, super-interconnected, and mobile/social networking environments, enterprises need immediate information and immediate response. In such an environment, whether it is B2B or B2C, enterprises must act at the same speed as
Oracle GoldenGate monitoring tool: ggserr. the log errors cannot be ignored. After the Oracle factory installed the monitoring plug-in for the OEM 12C in the primary database of the production environment recently, an exception occurred to the
The solution for importing and exporting oracle versions between different versions is as follows. In a special case today, you need to use oracle9 data in oracle8, for example, import and export. After a long time, the data exported from oracle9
Oracle SQL Performance 1. ORACLE optimizer:. RULE (based on Rules) B. COST (COST-based) c. CHOOSE (optional) sets the default optimizer. various declarations of the OPTIMIZER_MODE parameter in the ora file, such as RULE, COST, CHOOSE, ALL_ROWS,
Test whether 11G Oracle Restart can automatically start the killed component. The main story is oralce 11g restartOracle Restartis another component of Oracle Grid Infrastructure for a Standalone Server that will be used in this guide. starting with
Oracle 11g ASM: how to create an Oracle ACFS file system experiment environment in ASMCMD command line tool: Oracle 11g R2 RAC (11.2.0.3.5) oracle Enterprise Linux 5.6x86 1. Create an ASM disk group and mount the disk on two nodes. Then, partition
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