Oracle

There are three types of Oracle login Identities : Normal General identitysysdba system administrator statusSysoper System Operator identityEach identity corresponds to a different permissionSYSDBA Permissions:Start and close operationsChange the

1. Write the SQL statement in PL/C, and habitually end with a semicolon (";"), but write the SQL statement without adding ";".For example:With data as (...) SELECT * from data;With a semicolon in the back, I'll report aORA-00911: Invalid

in the During The PSU upgrade, Opatch prereq checkconflictagainstohwithdetail-phbasedir./12419378Test error:Invoking Prereq "Checkconflictagainstohwithdetail"The location "./9352164/readme.html" is a directory or a valid patch zip file.Prereq

Oracle Database, also known as Oracle RDBMS, or Oracle. is a relational database management system of Oracle Corporation. Still occupies a major share of the database market. Ellison and his friends, former colleague Bob Miner and Ed Oates

There are several ways Oracle Inserts data:Inserting data isolated from multiple tables into a staging tableNumber of data rows 51895971. Traditional way: Inserting data directly into a table1 Insert intollb_basic_user_d_temp_test2 Selectt.serv_

I found this error in the alert log when I was doing routine patrol checks.Thread 1 cannot allocate new log, sequence 319708Checkpoint not completeThis is actually a more common mistake. This is usually because the log group is toggled when the log

Attention:Debian recommends installing OPENJDK, which is already included in the release package.Oracle's Java needs to be installed on its own, with the following installation steps:1. First install Java-package, installation method: Apt-get

The installation of Oracle is really scary, especially with a heap of dependencies. While the DBA is in Nanjing, it is a practical operation.Two ways, 1, new Installation, 2, hard copyNew Installation, refer to the following

[Oracle] OPatch upgrade During the PSU upgrade, opatch prereq CheckConflictAgainstOHWithDetail-phBaseDir./12419378 Detection Error: Invoking prereq "checkconflictagainstohwithdetail" The location "./9352164/README.html" is not a directory or a valid

The oracle Database prompts ORA-01129 Error Database Version The Code is as follows:   SQL> select * from v $ version;BANNER--------------------------------------------------------------------------------Oracle Database 1

PLSQL _ performance optimization series 03_Oracle Parallel concurrency, plsql03_oracle 2014-09-25 BaoXinjian I. Summary For a large task, the general practice is to use a process for serial execution. If the system resources are sufficient, you can

Summary of Oracle parameter viewing Methods Oracle provides a large number of system parameters. The following is a summary of the query methods.Current System Parameter The current system parameters involve these views: v $ parameter, v $ parameter2

Plsql_performance optimization series 02_Oracle Join Association, plsql02_oracle 2014-09-25 BaoXinjian I. Summary Comparison of three main connection modes in Oracle 1. Hash Join (1). Overview I. Read the data of a table, place it in the memory,

OracleRac11.2.0.3 migrate OCR and VOTEDISKEnvironment: AIX7.1 + Oracle Rac 11.2.0.3Migration Description: When Oracle Rac is installed today, the GB Data disk is incorrectly used as OCRDG. Therefore, it will be troublesome to migrate ocr and

Plsql_performance optimization series 01_Oracle Index, plsql01_oracle 2014-06-01 BaoXinjian I. Summary In PLSQL query optimization, Index is the most widely used and exposed concept. I also think that Index selection and optimization are important

Connect by prior recursive algorithm in oracle, oraclepriorConnect by prior recursive algorithm in oracle -- Understanding http://blog.163.com/xxciof/blog/static/7978132720095193113752/Connect by prior recursive algorithm in oracleIn Oracle, the

Summary of Oracle database architecture   Oracle DB ArchitectureAn Oracle DB server consists of one Oracle DB and one or more database instances. An instance consists of a memory structure and background processes. Whenever an instance is started,

Installing Oracle10g encounters ins_ctx.mk Problems **************************************** ******************************** ************** Original Works are from the blog of "Deep Blue blog". You are welcome to repost them. Please indicate the

How to handle ins_emdb.mk error during oracle10g Installation **************************************** ******************************** ************** Original Works are from the blog of "Deep Blue blog". You are welcome to repost them. Please

How to solve the ins_ctx.mk problem when installing Oracle10g, oracleinsctx. mk When installing oracle10g in CentOS6.2, the following error occurs: This error is caused by the lack of a 32-bit glibc-devel package: Solution: Stop the installation.