Oracle

The solution for physically deleting the DBF File causes the database to fail to work properly. Because the space on the E disk where the local oracle installation is located is insufficient, the unused data file E is: \ ORACLE \ PRODUCT \ 10.2.0 \

Oralce data import troubleshooting (SYSTEM. PROC_AUDIT and Audit) When you export the data of USERNAME user of Data A and then import the data to USERNAME in database B, the following problems occur during table data query by USERNAME User: www.2cto.

Oracle open port (cannot be connected through port ing) problem Oracle 9I is installed on Win2003, WIN2003 only opens port 1521, then remote telnet port 1521 can pass, but the database connection fails. The reason is as follows: www.2cto.com the

A solution that prompts "ORA-01788: This query block requires a connect by clause" when creating a remote materialized view on Oracle 11g maps a table on the remote server to a local materialized view, use the following statement: www.2cto.com ----

Select statement field connection (oracle), such as employee name, employee position, birth date, and so on in the employee basic information table. If the three fields in the current view are displayed in the same field, there is a delimiter in the

Understanding cursors (1): An Overview of cursors eygle says that database activities are mainly about the importance of the cursors active cursors. As a result, I have made a series of articles, step-by-Step learning of cursors the first article is

The character set name is not recognized problem after RMAN migration solves a test machine. Due to unknown system problems, the operating system needs to be re-installed, and a database is running on the machine, you need to create a database and

In Linux, a raw device is used to create an oracle tablespace. Today, a test is performed to create a tablespace in linux: 1. create logical volume: run # lvcreate-L 100 M-n vg30 vg02. bind the logical volume to the bare device as the root user:

Insufficient use of Oracle tablespace and solutions 1. how to query table space: www.2cto.com select B. file_id, B. tablespace_name, B. file_name, B. bytes, (B. bytes-sum (nvl (. bytes, 0), sum (nvl (. bytes, 0), sum (nvl (. bytes, 0)/(B. bytes) * 10

The storage outline and SQL plan baseline storage outline are designed to provide stable execution plans to eliminate the impact of changes in the execution environment or object statistics. Therefore, this feature is also called Plan stability.

Oracle Real-Time query resource consumption SQL 1. first, use the top command to view the pid Number with more resources in production. Note: For the oacle of the top Command user, follow the pid www.2cto.com 2. query the current time-consuming

Problem description: Some of my friends often encounter this problem. I clearly entered the correct Chinese character. Why did I find garbled characters on another computer? In fact, this problem occurs when the database performs Character Set

TABLESPACE is read only, and DML and DDL operations can be performed (some examples) create a test table space create tablespace tablespacereadonly datafile '/u02/oradata/orcl/tablespacereadonly01.dbf' size 1 m autoextend on next 1 m maxsize

The partition Interaction Technology of Oracle Partitioned Tables enables rapid data transfer. This requires that records from a business table before a certain time point be transferred to its historical table. If the current business table is not

In database operations, when we accidentally delete tables, data, or views, we can use log mining to restore Oracle from Incomplete recovery, this article describes how to use log mining to recover data from incomplete Oracle recovery. Next we will

Oracle DBlink mysql sqlserver problem oracle connected to sqlserver using unixodbc + freetds + DBlink problem freetds no libtdsodbc after installation. so reason: SQL. h cannot be found because when unixODBC is installed, its three packages (lib,

Install Oracle 10g RAC on VMware Server 2.0.2, no error is reported at all for www.2cto.com IP planning 192.168.8.241194258.242192.168.8.248192.168.8.249 rac1-> export LANG = en_US.UTF-8 vi/etc/sysconfig/network-scripts/ifcfg-eth0vi [root @ rac2 ~] #

Talking about the high water level line of Oracle-The HWM high water level is the upper limit of the data that can be accommodated in the record segment. The full table in the high water level segment scans the first reading segment header, then,

When Oracle is installed on Windows 7, the internal program is terminated abnormally. solution: the program is terminated abnormally. An internal error occurs. Please provide the following documents to the Oracle Technical Support Department:

Oracle 11g manually create a database in windows 1. Create a required directory www.2cto.com D: \ app \ Administrator \ admin \ jxg12_20104350121 2. create a database file storage directory under oradata D: \ app \ Administrator \ oradata 3. create