The table structure is as follows:
Create table HH_BOOK_GOOD (ID VARCHAR2 (32) not null, BOOKID VARCHAR2 (32) not null, GOODID VARCHAR2 (32) not null, goodprice float not null, GOODNAME VARCHAR2 (256) not null, GOODNOTE VARCHAR2 (1024) not null)Use
When PL/SQL is compiled, the following error occurs: ora -- 00911, incalid character. This error is caused by a problem with the SQL statement and is not identified during SQL check. However, you should note that this error is often caused by the
Question no: 2
You need to design a student registration database that contains several tables storing academic information.
The STUDENTS table stores information about a student. the STUDENT_GRADES table stores information about the student's
Idle> startupThe ORACLE routine has been started.Total System Global Area 3407261696 bytesFixed Size 2180504 bytesVariable Size 2348812904 bytesDatabase Buffers 1040187392 bytesRedo Buffers 16080896 bytes
The database has been loaded.
ORA-03113: End
The expdp export tool can modify the degree of parallelism, terminate, and monitor tasks during the execution of the export task.
Experiment verification:
[Oracle @ test dpdump] $ expdp system/password directory = DATA_PUMP_DIR dumpfile =
Today, I am going to give you a brief introduction to the restoration and deletion of data instances by bbed in oracle. I hope this tutorial will be helpful to you.
Restore Deleted Data
1. Create a simulated environment
The Code is as
This article will introduce the methods for stopping and starting the services of the Oralce database, including some methods in windows and linux systems. I hope this method will be helpful to you.
Log On As A database user first
Stop Database
I recently encountered oracle Database Import and Export when I was working on the project. Here I will record it to prevent myself from forgetting it. If anything is wrong or insufficient, you are welcome to make a brick. Haha ~Export command:1)
Although the database system is running slowly in many cases, it is obvious that the cost of the latter is self-evident for the loss of database data. Therefore, it is the minimum requirement for DBA to improve the system performance at least when
586. Consider the following command:
Backup database plus archivelog delete input;
How many backup sets wocould be created by this command if the following were true:
Control-file auto backups were enabled.
The size of backup sets was not restricted.
The trcsess tool is located in the $ ORACLE_HOME/bin directory. With this tool, we can combine the content in multiple tracefile files into a single output file based on certain conditions, use tools such as tkprof to process the file.
This tool is
Understanding of SERVICE_NAME and SID in TNSNAMES. ORASID specifies only one instance, while SERVICE_NAME specifies multiple instances in the RAC environment.The configuration specifies the HOST of a node as follows:RAC1 =(DESCRIPTION =(ADDRESS_LIST
System statistics mainly describe some features related to system hardware, such as the performance and utilization of cpu and io systems. This information is very important for the query optimizer. During the execution plan selection process, the
42. You plan to use SQL Performance Analyzer to analyze the SQL workload. You created a SQL Tuning
Set as a part of the workload capturing. What information is captured as part of this process? (Choose all that apply .)
A. the SQL text
B. the
The inetinfo.exeof the Web Service and the apache.exe process of oracleare all using port 80.
If you create an ASP. NET application using. NET after installing Oracle, the following error occurs:
VS. NET detects that the web server is running ASP.
Q: How can I find out the SQL statement being issued at the front end?
A:The procedure is as follows:
Software environment:
1. Windows 2000 + ORACLE 8.1.62. ORACLE installation path: C: \ ORANT
Implementation Method:
You can use the following
In addition to the simple backup and recovery functions, RMAN has been given more and more responsibilities, such as creating Standby databases, such as cross-platform transfer of table space conversion. Oracle 11G's RMAN does not have many sudden
Oracle is still quite common, So I studied the Oracle UNDO tablespace and shared it with you here. I hope it will be useful to you.
1. In order to open the database, the first thought is to clear bad logs,:
In Oracle, I like Oracle tablespace very much. In my work, I also like to summarize the experience and lessons on Oracle tablespace. Let's talk about this in detail. Oracle tablespace is the basic method for data management. All user objects must be
I like Oracle very much. I also like to sum up the lessons learned about Oracle Spatial in my work. Let's talk about this in detail. Oracle Spatial integrates high-performance management technology for Spatial data warehouses on the database server,
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