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The source database is two clusters of 64-bit HP-UNIX Oracle11gR2 database, the target database is a 64-bit Linux Oracle11gR2 database, the number of a user of the source database The source database is two clusters of 64-bit HP-UNIX Oracle11gR2

The original 32-bit Oracle10.2.0.1 is installed on 64-bit windows enterprise sp2, which has a very Oracle bug. the patch is p5846377_10203_WINNT64.z. The original 32-bit Oracle10.2.0.1 is installed on 64-bit windows 2003 Enterprise Edition sp2,

Streams exceptions are found in the source database, such as: Check: select * fromdba_capture to see the Exception error ORA-26744: STREAMScaptureprocessquot; CAPTURE Streams exceptions are found in the source database, such as: Check: select * from

How to deal with the problem that the data file corresponding to Oracle's UNDO tablespace is too large? fault symptom: Check the df-g space in AIX and check that the corresponding database's undo tablespace has reached more than 90%. How to deal

In exp and imp, there is no syntax for exporting only stored procedures. If a user's data is exported, all objects (tables, views, indexes, sequences, functions, and storage) of the user will be exported. In exp and imp, there is no syntax for

In Ubuntu10.10, connecting Qt to the MySQL database is described in this article. The detailed steps are as follows. Step 1: Install the qt Development Environment In Ubuntu 10.10, Qt is used to connect to the MySQL database. The detailed steps are

To ensure that the instance is down but the listener is not down, all the listeners need to be dynamically registered and the service names configured statically are not allowed. when the instance goes down due to Dynamic Registration To ensure that

Recovery Type 1. time-based recovery 2. sequence-based recovery 3. SCN-based recovery process: 1. mount database 2. allocate multiple channels for concurrency 3. restore all data files Recovery Type 1. time-based recovery 2. sequence-based recovery 3

Recently I want to review oci programming. In the past, at least oracleclient was required to build an oci development environment in the development environment. Very troublesome. Since instantcli is recommended for oracle Recently I want to review

About the new features of R12 Multi-OrgAccessControl (MOAC). The main benefits of Oracle promotion include: 1. enableuserstoaccesstosecureddatainoneor About the new features of R12 Multi-Org Access Control (MOAC). The main benefits of Oracle

Another case is delayedblockcleanout. when the transaction is not commit or rollback, The modifiedblock has been written back to the disk. When a commit occurs, commit L Another scenario is delayed block cleanout. when the transaction is not commit

Oracle9i starts to provide a flashback query so that consistent data at a time point in the past can be found as needed, which is implemented through Undo. This function has a lot of limitations, that is Oracle9i starts to provide a flashback query

1. Export the exported table structure using PLSQL: Tools -- gt; ExportUserObjects (Export user object) -- gt; select the table to be exported (including Sequence and so on) 1. Export the exported table structure using PLSQL: Tools -- gt; Export

Mysql source code installation starts to use cmake from mysql 5.5, and compilation and installation are a little different from previous versions. 1. installation steps: 1. Preparations before installation From mysql 5.5, mysql source code

The CHUNKS column indicates the number of available idle blocks in the tablespace (each idle block is composed of some continuous Oracle data blocks). If there are too many idle blocks, such as average to each number The CHUNKS column indicates the

What should I do if I want to use the scott user to do experiments and exercises, but the library does not? 1. Run the RDBMSADMINutlsampl. SQL script. 2. Check whether the script is successful. Example: SQLgt; What should I do if I want to use the

Analysis of Oracle parameter modification in SCOPESPFILEThechangeisappliedintheserverparameterfileonly. Theeffectisasfollows: Fordy Analysis of Oracle parameter modification SCOPE = SPFILEThe change is applied in the server parameter file only. The

Oracle processes can be divided into three types. UserProcess, ServerProcess, and BackgroundProcess. UserProcess runs on the client and is not in the database server. Oracle processes can be divided into three types. User Process, Server Process,

Automatic Backup of oracle databases is the simplest backup method. The task of window is scheduled to be backed up once a day. Create a new. bat file on disk D and write the following command: Automatic Backup of oracle databases is the simplest

1. What is the execution plan Anexplainplanisarepresentationoftheaccesspaththatistakenwhenaqueryisexecutedwithin 1. What is An explain plan is a representation of the access path that is taken when a query is executed 1. What is an execution