在使用ORACLE的过程过,我们会经常遇到一些ORACLE产生的错误,对于初学者而言,这些错误可能有点模糊,而且可能一时不知怎么去处理产生的这些错误,本人就使用中出现比较频繁的错误代码一一做出分析,希望能够帮助。 ORA-09751: pw_attachPorts: 服务器调用
在使用ORACLE的过程过,我们会经常遇到一些ORACLE产生的错误,对于初学者而言,这些错误可能有点模糊,而且可能一时不知怎么去处理产生的这些错误,本人就使用中出现比较频繁的错误代码一一做出分析,希望能够帮助。
ORA-09751: pw_attachPorts: 调用 pws_attach 失败
ORA-09752: pw_attachPorts: port_allocate 失败
ORA-09753: spwat: 无效的进程号
ORA-09754: sppst: 传送给 sppst 的进程号无效
ORA-09755: osngpn: 端口配置失败
ORA-09756: osnpns: 名服务器中没有端口
ORA-09757: osnipn: 端口配置失败
ORA-09758: osnipn: 无法检查名服务器中的端口
ORA-09759: osnsbt: 收到的信息错误
ORA-09760: osnpui: 无法发送中断信息
ORA-09761: pw_destroyPorts: 服务器调用 pws_stop_instance 失败
ORA-09762: sNeXT_instanceName: 转换错误
ORA-09763: osnmpx: 交换 Mach 端口时出现发送/接收错误
ORA-09764: osnmop: oracle 可执行(代码)访问错误
ORA-09765: osnmop: 分叉失败
ORA-09766: osnmop: 缓冲区分配失败
ORA-09767: osnmfs: msg_send 的返回代码错误
ORA-09768: osnmgetmsg: 无法读信息
ORA-09769: osnmbr: 无法发送中断信息
ORA-09770: pws_look_up: 转换失败
ORA-09771: osnmwrtbrkmsg: msg_send 的返回代码错误
ORA-09772: osnpmetbrkmsg: 来自主机的信息类型错误
ORA-09773: osnmgetdatmsg: 来自主机的信息类型错误
ORA-09774: osnmui: 无法发送中断信息
ORA-09775: osnmrs: 重置协议错误
ORA-09776: pws_look_up: (Oracle 帮助程序) 可执行 (代码) 访问错误
ORA-09777: osnpbr: 无法发送中断信息
ORA-09778: snynfyport: 无法配置通知端口
ORA-09779: snyGetPort: 无法分配端口
ORA-09786: sllfop: 打开错误,无法打开文件
ORA-09787: sllfop: 不可识别的处理选项,格式错误
ORA-09788: sllfrb: 无法读文件
ORA-09789: sllfsk: 无法读文件
ORA-09790: sllfcf: 无法关闭文件
ORA-09791: slembdf: 转换错误,无法转换错误文件名
ORA-09792: sllfop: 无法分配读缓冲区
ORA-09793: szguns: 用户名的长度大于缓冲区的长度
ORA-09794: szrbuild: 角色名的长度大于缓冲区的长度
ORA-09795: szrbuild: 无法 malloc 角色结构
ORA-09796: szrbuild: 无法 malloc 角色名
ORA-09797: 无法获得 O/S MAC 权限
ORA-09798: 标记比较失败
ORA-09799: 文件标记检索失败
ORA-09800: 进程阅读权限标记检索失败。
ORA-09801: 无法获得来自连接的用户 ID
ORA-09802: 无法转换二进制标记为字符串
ORA-09803: 无法分配字符串缓冲区
ORA-09804: 从二进制到 ORACLE 的类转换失败
ORA-09805: 无法转换类别编号为字符串
ORA-09806: 无法分配标记字符串缓冲区
ORA-09807: 从字符串到二进制的标记转换失败
ORA-09808: 无法获得用户清除
ORA-09809: 无法从连接获得用户组 ID
ORA-09810: 无法从连接获得进程 ID
ORA-09811: 无法初始化程序包
ORA-09812: 无法从连接获得用户清除
ORA-09813: 无法获得目录状态
ORA-09814: 无法扩展文件名
ORA-09815: 文件名缓冲区溢出
ORA-09816: 无法设置有效权限
ORA-09817: 无法写入审计文件
ORA-09818: 数字过大
ORA-09819: 数字超出最大合法值
ORA-09820: 无法转换类字符串为数字表示法
ORA-09821: 数字标记无效

MySQL's position in databases and programming is very important. It is an open source relational database management system that is widely used in various application scenarios. 1) MySQL provides efficient data storage, organization and retrieval functions, supporting Web, mobile and enterprise-level systems. 2) It uses a client-server architecture, supports multiple storage engines and index optimization. 3) Basic usages include creating tables and inserting data, and advanced usages involve multi-table JOINs and complex queries. 4) Frequently asked questions such as SQL syntax errors and performance issues can be debugged through the EXPLAIN command and slow query log. 5) Performance optimization methods include rational use of indexes, optimized query and use of caches. Best practices include using transactions and PreparedStatemen

MySQL is suitable for small and large enterprises. 1) Small businesses can use MySQL for basic data management, such as storing customer information. 2) Large enterprises can use MySQL to process massive data and complex business logic to optimize query performance and transaction processing.

InnoDB effectively prevents phantom reading through Next-KeyLocking mechanism. 1) Next-KeyLocking combines row lock and gap lock to lock records and their gaps to prevent new records from being inserted. 2) In practical applications, by optimizing query and adjusting isolation levels, lock competition can be reduced and concurrency performance can be improved.

MySQL is not a programming language, but its query language SQL has the characteristics of a programming language: 1. SQL supports conditional judgment, loops and variable operations; 2. Through stored procedures, triggers and functions, users can perform complex logical operations in the database.

MySQL is an open source relational database management system, mainly used to store and retrieve data quickly and reliably. Its working principle includes client requests, query resolution, execution of queries and return results. Examples of usage include creating tables, inserting and querying data, and advanced features such as JOIN operations. Common errors involve SQL syntax, data types, and permissions, and optimization suggestions include the use of indexes, optimized queries, and partitioning of tables.

MySQL is an open source relational database management system suitable for data storage, management, query and security. 1. It supports a variety of operating systems and is widely used in Web applications and other fields. 2. Through the client-server architecture and different storage engines, MySQL processes data efficiently. 3. Basic usage includes creating databases and tables, inserting, querying and updating data. 4. Advanced usage involves complex queries and stored procedures. 5. Common errors can be debugged through the EXPLAIN statement. 6. Performance optimization includes the rational use of indexes and optimized query statements.

MySQL is chosen for its performance, reliability, ease of use, and community support. 1.MySQL provides efficient data storage and retrieval functions, supporting multiple data types and advanced query operations. 2. Adopt client-server architecture and multiple storage engines to support transaction and query optimization. 3. Easy to use, supports a variety of operating systems and programming languages. 4. Have strong community support and provide rich resources and solutions.

InnoDB's lock mechanisms include shared locks, exclusive locks, intention locks, record locks, gap locks and next key locks. 1. Shared lock allows transactions to read data without preventing other transactions from reading. 2. Exclusive lock prevents other transactions from reading and modifying data. 3. Intention lock optimizes lock efficiency. 4. Record lock lock index record. 5. Gap lock locks index recording gap. 6. The next key lock is a combination of record lock and gap lock to ensure data consistency.


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