current location：Home > Technical Articles > Database > Oracle
- Direction：
- All web3.0 Backend Development Web Front-end Database Operation and Maintenance Development Tools PHP Framework Daily Programming WeChat Applet Common Problem Other Tech CMS Tutorial Java System Tutorial Computer Tutorials Hardware Tutorial Mobile Tutorial Software Tutorial Mobile Game Tutorial
- Classify：
-
- Let's talk about the oracle running process
- Oracle is one of the most popular relational database management systems in the world and is widely used in enterprise-level applications and Internet applications. The running process of Oracle involves many aspects, including database creation, management, maintenance and query. In this article, we will discuss each of these aspects. 1. Database creation The following steps are required to create an Oracle database: 1) Install Oracle software; 2) Create data files and control files; 3) If necessary, create parameter files; 4) Start the database
- Oracle 827 2023-04-17 17:14:46
-
- How to install oracle11g silently
- Oracle is the world's leading database management system, and its 11g version is favored by many enterprises and individual users. However, the installation process of Oracle11g is relatively cumbersome. If it needs to be installed on multiple machines, it will consume a lot of time and human resources. In order to improve installation efficiency, Oracle provides a silent installation method, which can complete the automatic installation of software without human intervention. This article will introduce how to silently install Oracle11g. 1. Preparation work Before silent installation of Oracle11g,
- Oracle 2032 2023-04-17 17:14:25
-
- How to install oracle on centos6.5
- CentOS 6.5 is a very stable and excellent server operating system that is widely used in enterprise applications. Oracle is a world-famous database system that is widely used in enterprise-level applications. Combining CentOS 6.5 with Oracle can build an efficient and stable database system to meet the needs of enterprise-level applications. This article will introduce the steps and precautions for installing Oracle on CentOS 6.5. 1. System installation 1. Download CentOS 6.5 system image
- Oracle 722 2023-04-17 17:14:15
-
- Take you through the Oracle introductory tutorial
- Oracle is the world's largest enterprise-level database system. It is widely used in various enterprise-level applications and Internet applications. It is also one of the necessary skills for many IT practitioners. If you want to learn and master Oracle, this article will take you through the Oracle introductory tutorial. 1. Install Oracle database software. To learn Oracle, you must first install Oracle database software. Go to Oracle's official website to download the version suitable for your operating system. Note, before installation, make sure your computer complies with Oracle's hardware and
- Oracle 2018 2023-04-17 17:13:38
-
- How to set user password in oracle
- In Oracle database, in order to protect sensitive data and restrict unauthorized access, we need to set the password of the database user. Setting passwords is one of the important responsibilities of Oracle database administrators because security is one of the core of database management. In this article, we will learn how to set password for users in Oracle database. 1. Select user First, we need to select the user for whom we want to set a password. You can use the following command to view a list of all users: ```sqlSELECT username FR
- Oracle 2231 2023-04-17 17:12:17
-
- Several main user types in Oracle database
- Oracle is the world's leading provider of enterprise-level database solutions. In order to meet the needs of different users, Oracle provides multiple user types. In this article, we will introduce several main user types in Oracle database and their roles. 1. System Administrator The system administrator is one of the most important users in the Oracle database. They are responsible for managing the entire Oracle environment, including installation, upgrades, backup and recovery of databases. In addition, system administrators are responsible for validating access to protected data to ensure that only
- Oracle 1844 2023-04-17 17:12:00
-
- How to modify field length in oracle database
- In Oracle database, field length modification is a common operation. In practical applications, the length of a certain field may need to be modified. For example, a field in a table needs to increase or decrease its length. This article will introduce how to modify the field length in Oracle database. 1. Modify the length of non-primary key fields. For non-primary key fields, you can directly use the ALTER TABLE command to modify their length. For example, the following code will change the field name length in the table mytable to 50:```ALTER TABLE
- Oracle 5133 2023-04-17 15:41:18
-
- How to query temporary table in oracle
- Oracle is a widely used database management system that provides a rich query language and tools that allow users to easily query data in the database. In database application development, temporary tables are a very useful method. They can be used to temporarily store query results or intermediate data for further processing. In this article, we will explain how to query temporary tables in Oracle. What is a Temporary Table In Oracle, a temporary table is a special table that is created in memory or disk to store temporary data or intermediate results
- Oracle 2990 2023-04-17 15:47:29
-
- Let's talk about dynamic SQL in Oracle stored procedures
- Oracle's stored procedure dynamic SQL As applications become more and more complex, database stored procedures have become an important part. Stored procedures can improve database performance and security, reduce network communications between clients and database servers, and improve application maintainability and reliability. Oracle is one of the widely used relational database management systems that uses stored procedures and PL/SQL language. This article mainly introduces dynamic SQL in Oracle stored procedures. Dynamic SQL is a variable SQL statement. These statements
- Oracle 1368 2023-04-17 15:47:46
-
- How to use cursors to write stored procedures in Oracle
- Oracle is a widely used relational database management system that provides a feature called stored procedures that supports the use of cursors to manage data. A stored procedure can be thought of as a pre-compiled block of SQL code that accepts parameters, performs a series of database operations, and returns results. This article will introduce how to use cursors to write stored procedures in Oracle. 1. Overview of Cursors and Stored Procedures A cursor is a pointer that can be used to traverse a query result set and return the data therein. In Oracle, cursors can be used in stored procedures and
- Oracle 2246 2023-04-17 15:57:19
-
- How Oracle calls stored procedures
- Oracle is an efficient relational database management system. In enterprise-level application development, stored procedures are a very important part. In Oracle, a stored procedure is a program unit that can be run on the database server. It can be written through PL/SQL, supports a large number of logical processing and transaction control, and can combine multiple SQL statements into a set. In actual development and operation and maintenance, how to call stored procedures in Oracle is crucial. This article will introduce in detail how Oracle calls stored procedures. 1. Create storage
- Oracle 6096 2023-04-17 16:01:51
-
- How to modify memory in Oracle database
- When you work with Oracle databases, you'll find that performance issues can turn into a very thorny issue. In this case, you can solve some problems by adjusting the memory allocation. This article describes how to modify memory in an Oracle database. Before you begin making memory modifications, you should be aware of the impact of memory allocation on the operation of your Oracle database. Reasonable allocation of memory can improve database performance and response speed. In Oracle Database, memory allocation is divided into system memory and SGA memory. Below is one
- Oracle 2036 2023-04-17 16:06:21
-
- How to use Oracle query table results
- Oracle is a powerful relational database management system that is widely used in enterprise application development. In Oracle, querying table results is a basic operation that can help us obtain necessary data information from the database. This article will introduce how to use Oracle query table results and explore some related technical details. 1. What are query table results? In Oracle, query table results refer to the operation of obtaining a set of data records from a database table through a specific query statement. These data records are usually specified according to some
- Oracle 1528 2023-04-17 16:06:33
-
- How to convert data to character format in oracle
- Oracle database is one of the most widely used and powerful commercial databases in the world. It provides a complete and scalable database management system. In daily database operations, it is sometimes necessary to convert the Oracle database into character format to meet the needs of data exchange or data sharing. There are many ways to convert Oracle to characters. Two commonly used methods are introduced below. 1. Use Oracle export tools for conversion. Oracle database provides many import and export tools that can realize Oracle and other
- Oracle 2338 2023-04-17 16:20:46
-
- Let's talk about using dynamic SQL in Oracle stored procedures
- Oracle Stored Procedures and Dynamic SQL In Oracle database, a stored procedure is a precompiled code block that can be stored and executed in the database to complete a specific task. Use stored procedures to combine multiple SQL statements into a single operation and simplify database operations and management. Among them, dynamic SQL is one of the important parts of stored procedures. It can dynamically create and execute SQL statements, thereby enhancing the flexibility and scalability of stored procedures. This article will introduce Oracle stored procedures and actions
- Oracle 2390 2023-04-17 16:28:41
Recommended Articles
Tool Recommendations
jQuery enterprise message form contact code
jQuery enterprise message form contact code is a simple and practical enterprise message form and contact us introduction page code.
form button
2024-02-29
HTML5 MP3 music box playback effects
HTML5 MP3 music box playback special effect is an mp3 music player based on HTML5 css3 to create cute music box emoticons and click the switch button.
Player special effects
2024-02-29
HTML5 cool particle animation navigation menu special effects
HTML5 cool particle animation navigation menu special effect is a special effect that changes color when the navigation menu is hovered by the mouse.
Menu navigation
2024-02-29
jQuery visual form drag and drop editing code
jQuery visual form drag and drop editing code is a visual form based on jQuery and bootstrap framework.
form button
2024-02-29
Organic fruit and vegetable supplier web template Bootstrap5
An organic fruit and vegetable supplier web template-Bootstrap5
Bootstrap template
2023-02-03
Bootstrap3 multifunctional data information background management responsive web page template-Novus
Bootstrap3 multifunctional data information background management responsive web page template-Novus
backend template
2023-02-02
Real estate resource service platform web page template Bootstrap5
Real estate resource service platform web page template Bootstrap5
Bootstrap template
2023-02-02
Simple resume information web template Bootstrap4
Simple resume information web template Bootstrap4
Bootstrap template
2023-02-02
Cute summer elements vector material (EPS PNG)
This is a cute summer element vector material, including the sun, sun hat, coconut tree, bikini, airplane, watermelon, ice cream, ice cream, cold drink, swimming ring, flip-flops, pineapple, conch, shell, starfish, crab, Lemons, sunscreen, sunglasses, etc., the materials are provided in EPS and PNG formats, including JPG previews.
PNG material
2024-05-09
Four red 2023 graduation badges vector material (AI EPS PNG)
This is a red 2023 graduation badge vector material, four in total, available in AI, EPS and PNG formats, including JPG preview.
PNG material
2024-02-29
Singing bird and cart filled with flowers design spring banner vector material (AI EPS)
This is a spring banner vector material designed with singing birds and a cart full of flowers. It is available in AI and EPS formats, including JPG preview.
banner picture
2024-02-29
Golden graduation cap vector material (EPS PNG)
This is a golden graduation cap vector material, available in EPS and PNG formats, including JPG preview.
PNG material
2024-02-27
Home Decor Cleaning and Repair Service Company Website Template
Home Decoration Cleaning and Maintenance Service Company Website Template is a website template download suitable for promotional websites that provide home decoration, cleaning, maintenance and other service organizations. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-05-09
Fresh color personal resume guide page template
Fresh color matching personal job application resume guide page template is a personal job search resume work display guide page web template download suitable for fresh color matching style. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-29
Designer Creative Job Resume Web Template
Designer Creative Job Resume Web Template is a downloadable web template for personal job resume display suitable for various designer positions. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
Modern engineering construction company website template
The modern engineering and construction company website template is a downloadable website template suitable for promotion of the engineering and construction service industry. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
