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- Where to change the oracle port number
- Modification of the Oracle port number can be achieved in the following ways: 1. Modify the PORT parameter in the listener configuration file (listener.ora). 2. Modify the LISTENER and PORT parameters in the initialization parameter file (init.ora). After modification, you need to restart the Oracle service to take effect.
- Oracle 1259 2024-04-19 06:48:14
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- What are the methods for Oracle data backup?
- There are five Oracle data backup methods: RMAN backup (full, incremental, differential, library backup) export/import Data Pump export/import data file backup physical backup
- Oracle 1160 2024-04-19 06:42:18
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- What are the backup methods for Oracle database?
- Oracle database backup methods include manual export backup, Automated Recovery Manager (RMAN) backup, operating system backup, and physical backup. Manual export backup involves exporting and importing text files, while RMAN backup provides advanced features such as backup sets and backup blocks by automating the backup and recovery process. Physical backup includes operating system backup and media recovery, while logical backup supports hot backup and cold backup. The best backup method depends on the database size, criticality, and recovery time objectives.
- Oracle 647 2024-04-19 06:39:14
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- What are the main types of Oracle database backup methods?
- The main backup types include: full backup (creates a complete copy of the database), incremental backup (backs up data changed since the last backup), archive log backup (backs up applied changes), RMAN backup (provides various backup options), Snapshot backup (create file system snapshots), Cloud Backup (store backups in the cloud). The type you choose depends on database size, storage space, recovery time, and data point objectives.
- Oracle 1150 2024-04-19 06:37:06
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- Where does the oracle database data exist?
- Oracle database data storage location: Data file: stores the actual data blocks. Redo log file: records changes to data files and is used to recover data after a crash. Control file: stores database structure and data file location information. Temporary table space: stores temporary data and is used to perform queries and updates. Persistent table space: stores permanent data such as tables and indexes. Additionally, data can be stored in rollback segments, views, materialized views, IOTs, and external tables.
- Oracle 897 2024-04-19 06:33:14
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- Where is the oracle database file?
- The Oracle database file storage location varies by operating system: %ORACLE_BASE%\oradata\<database name> on Windows and $ORACLE_BASE/oradata/<database name> on Linux/Unix. Common file types include data files (DBF), log files (LOG), control files (CTL), parameter files (PFILE/SPFILE), and flashback log files (FRA). It is recommended to maintain default file locations, ensure adequate storage space, and perform regular backups to prevent data loss.
- Oracle 1311 2024-04-19 06:30:22
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- In which directory is the oracle database data located?
- Oracle database data is stored in data files in the specified directory. The location of the data file directory is as follows: Windows: C:\oracle\oradata\ (default) Unix/Linux/u01/app/oracle/oradata/ (default)
- Oracle 615 2024-04-19 06:27:15
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- Where are the oracle database tables?
- Tables in Oracle database are stored in data files. Specific types include regular data files, temporary data files, rollback segment data files, and undo data files. Data file naming follows specific conventions, for example, a common data file is datafile<file number>.dbf. Oracle manages data files using Automatic Storage Management (ASM), which stores data files in groups of physical disks. To determine the specific data file for a table, you can use a SQL query to retrieve the file ID, tablespace name, and file name.
- Oracle 843 2024-04-19 06:24:15
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- where is the oracle database
- Oracle Database is a relational database management system that can be deployed on a variety of platforms: On-premises: physical server or virtual machine Cloud deployment: OCI, AWS, Azure, GCP
- Oracle 475 2024-04-19 06:21:29
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- Which is more difficult, oracle or mysql?
- MySQL is easier for beginners to learn than Oracle for the following reasons: The syntax is simple and easy to understand. Rich introductory tutorials. Provides an intuitive graphical user interface. Oracle is more challenging due to its complex syntax, steep learning curve, and lack of intuitive GUI.
- Oracle 786 2024-04-19 06:18:14
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- Which one is used more, oracle or mysql?
- MySQL is more commonly used in database systems around the world. According to the DB-Engines June 2023 ranking, MySQL ranks first, while Oracle ranks second.
- Oracle 612 2024-04-19 06:15:48
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- What files does the oracle database contain?
- Oracle database contains the following file types: Data files: Store data and metadata. Log files: Records changes for consistency, including redo and undo log files. Control file: stores structure and configuration information. Parameter file: Contains operation configuration parameters. Temporary tablespace file: stores temporary data. Rollback segment file: stores log records of undo changes. Profile: Stores object metadata information. Diagnostic files: records database activity and error messages.
- Oracle 818 2024-04-19 06:12:14
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- Which company does the oracle database belong to?
- Oracle Database is developed and marketed by Oracle Corporation. It is a global software company that specializes in databases, cloud computing, CRM, and ERP.
- Oracle 809 2024-04-19 06:09:15
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- Which one is easier to use, oracle or mysql?
- Depending on application needs and budget, Oracle is highly performant, highly scalable, feature-rich, but costly and complex for large enterprises handling large amounts of data. MySQL has good performance, limited scalability, and fewer features, but is open source, free, and easy to use, making it suitable for small to medium-sized applications and organizations with limited budget or ease of use.
- Oracle 800 2024-04-19 06:06:59
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- What are the oracle databases?
- Oracle Database is a relational database management system developed by Oracle Corporation. Its main functions include: data storage and management data query data integrity and consistency high availability scalability security application development cloud computing
- Oracle 550 2024-04-19 06:03:16