Oracle

The following article describes how to create a stored procedure for OracleDB2. The stored procedure provided by the development of the DB2 product is defined through the custom DSNTIJSG job. Before submitting a job to complete the creation of a

The following articles mainly introduce the Oracle database learning method. This method is very simple. The information I saw on the relevant website two days ago is very good and I will share it with you. After reading the theory, let's calm down

If you frequently use Oracle10g, you can find that many junk tables are frequently displayed in some databases in the tables that you deleted previously, these junk tables cause a lot of inconvenience in actual operations. Below are some examples of

The following articles mainly describe the comparison of the Control Model of Oracle forced access and DM forced access, this topic describes the differences between the control model of forced Oracle access and DM access in terms of system

When talking about Oracle databases, it is likely to refer to the entire Oracle Database Management System DBMS). But as an Oracle database personnel, you must recognize the major difference between databases and instances-a difference that often

The following articles mainly describe how to use Oracle EM to manage the actual MySQL operation scheme. If you are interested in the actual operation scheme, the following articles will provide you with a good learning opportunity. The following is

Today, we mainly talk about the statistical data of the Oracle database and the generation method of the Oracle database. The optimizer for the actual application of Oracle PL/SQL statement execution is the cost-based optimizer CBO) and rule-based

The following articles mainly introduce the use of Oracle cursor. The following describes the specific solution and hope it will be helpful in your future study. First, we need to use the SELECT statement, which is used to query data from the

Variables are used to store values. They have names and data types. When declaring a variable, you can also specify its data type. All variables have data types to determine which data can be stored. Data Type datatype) is a column) or an attribute

By using the Oracle Data dictionary technology, database developers can better understand the full picture of the database, which is of great help to database optimization and management. The Oracle Data Dictionary stores database information in

We all know that many enterprises have a lot of Oracle Database-related platforms at the same time, and each Oracle database-related Platform runs at the same time, one or more sets of practical applications. As the business of an enterprise

Today, we mainly introduce the connection of Java databases to JDBC. We all know that API is a series of practical application interfaces that allow Java programmers to access Oracle databases, in addition, the interfaces of each developer are not

We all know that in Oracle databases, DBAs can make possible adjustments and decisions by observing tables or related views to understand the specific usage of the current space. The following describes the main content of the article. I. Free Space

Cascading deletion in the constraints related to SQL and Oracle Foreign keys. If you want to delete related records in the relevant system, we need to join multiple tables to delete N, and there are also constraints between them. therefore, when

The following articles mainly introduce the efficiency issues related to Oracle query records. As I recently want to optimize the efficiency of Oracle databases, therefore, many highly efficient methods for determining whether a record exists are

In Oracle databases, how does one pass variables from SQL * plus to shell? In practice, many people encounter such problems: sqlplus cannot pass variables to shell. Here we will introduce an instance script for compromise processing.

We all know that the data table's huge import leads to a reduction in the query speed. Therefore, we only need to remove the data from the relevant data table. However, if we use Oracle delete, the data has been deleted, but the speed has not

The following articles mainly explain how to optimize the CPU usage in Oracle. I personally like Oracle very much. I also summarize some lessons learned from my work on optimizing the CPU usage in Oracle, here is a detailed explanation of this issue.

The following articles mainly introduce the relevant issues that need attention in Oracle RAC configuration. We all know that there are articles related to Oracle RAC configuration on many websites. However, these documents seldom successfully

The following articles mainly describe how to set Oracle tablespace. We all know that there are many tables in the Oracle database. There are more than 600 tables in total, and you may occupy more than 10 Gb of space. The following article mainly