After checking Oracle's process command output, the output display should include at least some of the following processes:Oracle The process of writing a data file, the output appears as: "ORA_DBW0_ORCL"
Oracle The process of writing log files, the
The Oracle Database 11g full reference manual contains the contents of the license, as follows:
The first step in using the software is to successfully install the software. If you do not consider installing Oracle's hardware and software platforms,
Table size that has two meanings. One is the amount of physical space allocated to a table, regardless of whether space is used or not. You can get the number of bytes in this query:Select Segment_name, bytesFrom User_segmentswhere Segment_type = '
Some of the basics of Oracle have been learned some time ago, and for ease of practice and operation, an Oracle 10g was installed. After the installation, the book was directly discarded. Card to the death, card to directly can only be used as the
Http://www.cnblogs.com/brolanda/p/4548612.html
See conditions in the WHERE statement: where 1=1 and 1=2 or 1<>1 uses: 1=1: for use with and in conjunction with other conditions when adding conditions (dynamic connection subsequent conditions)
The raw type is a data type that is used in Oracle to hold a bit string, similar to char, declared with a raw (L) method, up to 32767 bytes long. The system provides a SYS.UTL_RAW toolkit for raw type operations, and the commonly used functions are
Oracle Database Hot backup (online backup) sample
Log must be placed as an archiveSql>archive log list; --View the log archiving method.Database log mode No Archive modeAutomatic Archival DisabledArchive Destination Use_db_recovery_file_destOldest
First, use DBCA to create a recovery catalog database, follow the steps and options below
Click Next;
Select Create DATABASE, click Next;
Using general purpose or transaction processing, click Next;
Fill in the Global database name, click Next;
• Use schedulers to simplify administrative tasks
• Create jobs, programs, and schedules • Monitor Job execution
• Use a time based or event-based schedule to perform a scheduler job
• Describe the purpose of Windows, window groups, job classes, and
TNS is part of Oracle NET, dedicated to managing and configuring Oracle databases and client connections, and in most cases the client and the database must be configured with TNS, (you can use sqldeveloper without configuring TNS), so let's see how
Compare size function Sign
function Syntax:Sign (n)
Function Description:Take the symbol of number n, greater than 0 to return 1, less than 0 to return-1, equal to 0 to return 0
Example:One, select sign (m), sign (-M), sign (0) from dual;
SIGN (+)
This article describes Oracle's query optimizer, a key component of the database, which gives Oracle users excellent performance. Oracle's query optimization technology is unmatched in functionality, and this article discusses all the important
The most talked about Oracle 10g performance is the new automated Workload repository (AWR) feature and proactive performance monitoring through automated database diagnostics monitoring (ADDM). When an Oracle session is established, a specially
One. To see if the Oracle database is in archive mode:SQL code1.select Name,log_mode from V$database;NAME Log_mode------------------ ------------------------QUERY Noarchivelog2. Using the archive LOG LIST commandDatabase log mode No Archive
Oracle 11g Lite Client ConfigurationOracle is typically deployed on the server, and the client needs to connect to Oracle on the server using connection tools such as PL/SQL Developer.At this point, it is often necessary to install hundreds of
Error "ORA-28002 the password would expire within 7 days. Cannot logon to the database "This error may be encountered when running the AE program on the process scheduler, and many times this error is not only present in the process scheduler, but
2014-11-10 15:36 by Xiaoxiang Hermit, 34830 reads, 0 comments, Favorites, compilation In practice, there are always issues that require you to view and verify the Oracle client version, because one server may have multiple versions of Oracle clients,
: Network Disk DownloadContent IntroductionEditing the volume of information contained in this book can improve your programming skills to a new level. You'll learn how to write dynamic PL/SQL programs and Oracle database interfaces, perform complex
Oracle error code and modification summary, oracle error code Summary
The RA-00903 is not valid and the table name tries to create an index in a non-existent table. Set the correct table name.
The ORA-00904's invalid identifier attempts to create
2017100001124.pdf use seed_database.dfband seed_database.ctlto create a database .txt manually,
Using seed_database.dfband seed_database.ctlto create a database .txt-- // Read the post of yueli34 yesterday at
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.