About the long type of Oracle

Long and long raw are only used to support backward compatibility. for new applications, replace long with clob or nclob, and replace long raw with BLOB or bfile. Oracle also recommends replacing the existing long and long raw types with the lob

Imp-00017: Due to Oracle 20001 Error

.. Importing table "xxxxxx" 0 rows being importedImp-00017: The following statement failed due to Oracle 20001 Error"Begin dbms_stats.set_index_stats (null, '" xxxxxx "', null, 0 ,""0, 0, 0, 0, 6); end ;"   The preceding error is reported when DMP

Today I wrote a JSP + Oracle project, encountered the listener refused the connection with the following error: ORA-12519:

I checked it online. It turned out to be the cause of the database connection pool. Therefore, you need to modify the maximum number of connections. Select count (*) from V $ Process-- Obtain the current number of connections of the current

C # When oracle adds data to the table, the following error occurs: Invalid character. The reason is that a semicolon is added after the SQL statement.

C #CodeTo add data to the Oracle database table. The SQL statement is checked in pl SQL and can be added successfully. But when the code is executed, an error is reported. Invalid character of invalid character. Check the code and compare the SQL

Summary: Oracle internals: Dual

Summary: Oracle internals: Dual I tried to ask my friends on the Forum to sort it out in Chinese every Monday posted last week. No one has ever done it. I can only sort it out by myself. I hope that my friends on the Forum can participate

Oracle export to excel

In this example, each 1000 records are transferred to one ExcelFile Create Test Data Code: SQL> CREATE TABLE EXP_EXCEL (ID NUMBER, COL VARCHAR2(10));Table createdSQL> INSERT INTO EXP_EXCEL SELECT LEVEL, 'COL_'||TO_CHAR(LEVEL,'FM000000') FROM

PLSQL management Oracle

1. The correct steps for SQL table Import and Export In the past, tools-> Import talbes-> Oracle import results always show errors: some tables cannot be correctly imported. The Baidu + googel solution is as follows: Export Steps: 1 tools-> Export

Oracle EBS lending relationship

Oracle ERP system loan relationship table Cost accounting Accounting Information InductionSummarize the source types of transaction processing.I. Receiving and returning purchases:1. Receipt: Borrow: Material Purchase (Order Price)Loan: accrued

Example of Oracle utl_file usage

  General information Note:O/s permissions are those of the user 'oracle '... not the schema owner or connected user Source {ORACLE_HOME}/rdbms/admin/utlfile. SQL First availability 7.3.4 Init.

Oracle form-types of key flex  eld forms

Key flexfields appear on three different types of application form:• Combinations form• Foreign key form• Range form These form types correspond to the types of tables that contain key flexfield data.Combinations formA combinations form is a form

Usage of Oracle connect

Table tree Field master Sub Sales Insert into tree values ('Master 1', 'Master 2', 15 ); Insert into tree values ('Master 1', 'Master 3', 20 ); Insert into tree values ('Master 2', 'Master 4', 5 ); Insert into tree values ('Master 2', 'Master 5', 10

Application Development based on Oracle ADF

  Description  Application DevelopmentFramework) is a solution specifically developed by Oracle to simplify the complexity of J2EE program development. by reducing the amount of code that implements the design mode and application frameworkMakes it

How to use memory larger than 2 GB in Oracle Database

Server: hpdl580g2 (6 GB dual-CPU memory) win2003 Enterprise Edition + Oracle 9i 2.0.3.0     1. First, add the startup parameters 3G and PAE to boot.int.     Multi (0) disk (0) RDISK (0) Partition (1)/winnt = "Microsoft Windows 2003 Enterprise

Modify the port of the Oracle Xe HTTP listener

When Xe is installed, the default Web console service port is 8080. This setting is depressing because it conflicts with servers such as Tomcat. Today, I finally flipped through the SQL during installation in the Xe installation file, so that I can

Differences between Oracle v $ nls_parameters and nls_database_parameters

  I. First read the instructions on the official website. 1.1 V $ nls_parameters V $ nls_parameters contains current values of NLS parameters.           Column Datatype Description  Parameter   Varchar2 (64) 

Using Java objects in Oracle

1. Write a Java object and save it in C:/Hello. Java 2. loadjava-user Scott/tiger @ 223 hello. java, set hello. java is added to the database. If the source code is added, we can see from javasource that if the class is loaded, it cannot be seen

Oracle uses SQL statements for Recursive queries

ID PID Problem description: 1 0 2 0 3 1 4 1 5 2 6 2 7 3 8 4 9 5

A bit about the cache of Oracle Sequence

I have done some drag & drop operations over the past few days. Here I will record some precautions and I will forget them, leave a tree shade for people who need to do similar jobs. The drag & Drop mentioned here refers to the built-in mechanism

The first day of Oracle open world, javaone, and Oracle Developer

December 13 ~ On October 16, three Oracle conferences were held together for the first time. The meeting address is at the National Convention Center. At this morning, I came to the venue and asked about the registration address and arranged a long

Two scripts-Monitoring the usage of rollback segments of Oracle Database

-- To see which PID is using RBSSelect R. Name "rollback segment name ",P. PID "Oracle PID ",P. spid "system PID ",Nvl (P. username, 'no transaction '),P. TerminalFrom v $ lock l, V $ PROCESS p, V $ rollname RWhere l. Sid = P. PID (+)And trunc (L.

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