Oracle

The following is a detailed description of Oracle-related remote replication and Remote Disaster Tolerance, the following technologies or solutions are available for remote replication and Disaster Tolerance Related to Oracle databases. I hope you

This is often the case in Oracle 8i, that is, Oracle runs operating system commands during storage, generally, Oracle Enterprise Manager can be used to set jobs. however, due to the lack of flexibility in the setup of OEM jobs, the set job

This article mainly introduces the Oracle database type LONG. We all know that the storage in the LONG data type can change the LONG string, and the maximum length limit is 2 GB. The following articles mainly describe the types of Oracle

Compared with large objects in Oralce7 and Oralce8, Oralce7 has two basic long types, large objects, long characters and long raw binary. It uses the related internal storage methods, it can store up to 2 GB of related data and can only be accessed

The following articles describe the content of Oracle Auto-increment fields. We all know that Oracle is different from ms SQL, and there is no relevant auto-increment column by default, however, we can create auto-incrementing fields by creating

In fact, it is not difficult to accelerate mass data processing in Oracle. The actual application solution you choose is very important. The following article mainly introduces two solutions to accelerate mass data processing in Oracle, that is,

The following articles mainly describe the experience related to Oracle Stored Procedure writing and Related Optimization Measures. After a long period of development on Oracle stored procedure, we have written some experiences on development and

It can be said that Oracle database security issues have been plagued by Oracle Database administrators. We all know the loss of some data in the database and the intrusion of the database, make the poor database administrator physically and

The following articles mainly introduce the actual operating scheme for Oracle to return the relevant dataset through the stored procedure. The first thing we need to know is how to correctly use the stored procedure to return the dataset, we all

The following article mainly introduces Oracle left join and right join, oracle left join and right join are widely used in a short time because of its unique functions. The following describes the relevant content. (1) Oracle left join contains all

The following articles mainly introduce the concept of Oracle Character Set and the introduction of how to view and correctly modify the Oracle character set, as well as how to correctly view the Oracle character set in actual operations.Database

The following article mainly describes how to obtain the Oracle System Performance Statistics. Many people have asked me questions about Oracle performance. For example, what is slow performance? How to correctly quantify performance statistics? I

The following articles mainly describe the actual usage of Oracle trunc () functions. This article mainly talks about TRUNC (for dates) and TRUNC (for number, if you are interested in the actual usage of the Oracle trunc () function in actual

This article mainly introduces how to greatly improve the performance of the Oracle database by optimizing the database. The following are some simple steps to achieve the performance of the Oracle database. The following describes the specific

The following articles mainly describe Oracle Data Dictionary documents, it is worth noting that the correct application of Oracle data dictionary and actual operations and specific operations in actual operations are the main content of this

This article describes how to create an Oracle backup tool. It mainly uses common batch processing methods to create an Oracle backup tool. Hope to help you. This is written for Oracle and can be used on different computers, because it will

Handle bare devices on Unix systems: 1. What is a bare device? A bare device, also known as the raw partition of a raw partition) is a special character device that is not formatted and not read by Unix through a file system. It is read and written

In addition to querying the data of the Oracle database, we can also query the number of Oracle Database cursors. The following describes this method in detail, hoping to help you learn how to query the Oracle database. Select o. sid, osuser,

The most common operation between JAVA and Oracle is to call the Oracle stored procedure in JAVA. The following describes how to call the Oracle stored procedure in JAVA. I. JAVA calls the Oracle stored procedure without output parameters]The

Oracle command line is believed to be familiar to everyone. in the daily work of DBAs, Oracle users are often unlocked; the following describes how to unlock an Oracle user in the Oracle command line. Several Simple unlock statements can be used to