Oracle

ORA-01002: fetch out of sequence Error locating: SQL>! Oerr ora 01002.01002,000 00, "fetch out of sequence"// * Cause: This error means that a fetch has been attempted from a cursor// Which is no longer valid. Note that a PL/SQL cursor loop//

This ppt systematically introduces the memory and storage management of Oracle11g, the main directory is as follows: 1. Memory Overview: -- SGA Parameters -- Automatic Shared Memory Management -- Oracle 11g parameter setting suggestions --

Solution for Oracle10g failure to start the service after the computer name or IP address is modified The cause of the problem is unknown. The problem is that an oracle service in windows cannot be started and the following error is returned.Windows

Method 1: export using PL/SQL Developer:Menu Bar ----> Tools ----> Export Tables, for example, you can set relevant parameters: Method 2: export using the cmd operation command. The details are as follows:1: There is a tnsname. ora file in the

1. view the database version SQL> select * from v$version; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production PL/SQL Release 11.2.0.1.0 -

I used Oracle table partitions today. Let's write a few examples to explain the partitions in this table: I. Create a partition table 1. Range partitioning Partitions Based on the range of data table Field Values For example, you can partition a

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

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

The TO_DATE function is a date function in oracle and is also a very common function. Next I will introduce you to my understanding and learning notes on oracle TO_DATE. 1. When Oracle's to_date function is used for date conversion, many Java

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

1) A column is a string Query. If there is no position, 'no position' is displayed. If yes, the employee's position is displayed. Select ename, nvl (job, 'null') from emp; 2) A column is a number. If nvl (bonus, 0) is used for query, 0 is

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

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.