The following article describes the Oracle SQL syntax and data objects, including the data control statement (DML) and data definition (DDL, for more information, see the following.
I. Data Control Statement (DML)
1. INSERT (INSERT the record
The following articles mainly describe several common sorting methods in Oracle sorting. You will find that Oracle sorting is very interesting. The following describes the specific content of this article, the following is a detailed introduction of
The parallel processing technology of Oracle Database is a c-core technology in the database. The parallel processing technology of Oracle database enables organizations to efficiently manage and access TB-level data. If efficient parallel
If you are very depressed when creating Split and Map functions in Oracle. You can browse the following article. On a reputable website, I found an introduction to the Code for Oracle to create Split and Map functions, the following articles mainly
The following articles mainly describe the content of the Oracle stored procedure. In fact, calling the stored procedure is the process of writing the SQL statement related to flow control, this process is compiled and optimized and stored on the
I personally like Oracle very much, and also like the experience and lessons of optimizing CPU usage in Oracle in actual work. The following is a detailed explanation of this question. CPU is an important resource of the server. A good working
Oracle 10G Data Pump learning minutes expdp/impdp) in the actual application proportion is still the majority, if you are curious about this new technology, the following articles will unveil its mysteries. I hope you will gain some benefits after
We all know that Oracle character sets are inclusive. For example, us7ascii is a subset of zhs16gbk. There are no problems in data interpretation between us7ascii and zhs16gbk, and no data loss occurs. Utf8 should be the largest among all character
If you want to better understand Oracle-optimized SQL statements, you must understand which SQL statements are frequently used in Oracle, the following is a detailed description of Oracle optimization SQL statements. I hope you will understand this
There are many commonalities between Oracle9i and Oracle10g, and the latter is compatible with the former. This section describes how to build an Advanced Replication environment and perform manual testing between Oracle9i and Oracle10g.
First, test
We all know that indexes are related to table concepts and mainly improve the efficiency of data retrieval. When Oracle uses a complex self-balancing B-tree structure. We generally query data through indexes faster than full table scans. When Oracle
Do you have a headache in obtaining permissions on Oracle Objects? If this is the case, the following articles will give you corresponding solutions. The following articles mainly describe how to obtain Oracle permissions, that is, to obtain Oracle
The following articles mainly introduce the specific operation methods of Oracle NLS_LANG settings. If you are a beginner in the practical application of Oracle NLS_LANG settings, you can use the following articles to better understand how to
We all know that many data companies have many Oracle database platforms at the same time, and one or more practical applications will run on each different database platform. As the business of an organization continues to expand, how can we
The following articles mainly describe how to use Oracle to block two useful practical methods for prompting information in English, if you are a crazy Oracle community that blocks technical applications that prompt information in English, do not
When further intrusion into the Oracle server is required to obtain permissions, We need to quickly connect to the Oracle server. At this time, you will find that the situation is that the dba permission is not granted after the connection, or SYS.
We all know that when we re-develop Oracle database-intensive practical applications, we will benefit from using the relevant connection pool. The reason is that we can reuse the connection, instead of re-creating a new connection every time we
We all know that Oracle uses Redo to ensure that the related transactions of the Oracle database can be replayed. Only in this way can the relevant data be restored after the fault occurs. Redo is crucial for Oracle databases. In the database, the
Welcome to the world of Oracle databases. For Oracle databases, Oracle will certainly use its strength to support some enterprises that rely on it to survive some important data. Oracle has a high-quality sales team and excellent personnel training
When learning the basic knowledge of Oracle architecture (Entry level), I suggest you first understand the Oracle framework. Only in this way can we have a better understanding of Oracle as a whole. The following is a detailed description of the
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.