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  • How long ago can Oracle data be restored?
    How long ago can Oracle data be restored?
    Oracle Database allows users to recover data up to a specific time through Recovery Point-in-Time (RPO), which depends on the backup strategy, archive mode, corruption time, and rollback segments. Available recovery points include point-in-time recovery (PITR), crash recovery, backup/recovery, and flashback queries. The specific RPO depends on the user's specific environment and needs.
    Oracle 663 2024-04-19 01:46:02
  • What does oracle database do?
    What does oracle database do?
    Oracle Database is a powerful RDBMS that provides the following capabilities: Data storage and management Data query and retrieval Data integrity Guaranteed security High availability and fault tolerance Scalability and performance Its advantages include: Industry-leading performance High reliability and availability Broad compatibility Mature and stable technology Broad ecosystem
    Oracle 867 2024-04-19 01:42:25
  • What language is the oracle database in?
    What language is the oracle database in?
    Oracle Database is a relational database management system that provides the following benefits: Reliability: High availability, fault tolerance, and data integrity Scalability: Suitable for a variety of workload sizes Performance: Fast querying through optimized data access Security: Comprehensive protection of data from unauthorized access Availability: available on multiple platforms
    Oracle 997 2024-04-19 01:39:16
  • What software is oracle used for?
    What software is oracle used for?
    Oracle is a popular enterprise-level relational database management system (RDBMS) whose main uses include data storage, management, querying, reporting, security, and application development. Its advantages are reflected in scalability, reliability, performance, security, and compatibility.
    Oracle 972 2024-04-19 01:34:54
  • How to change oracle database password
    How to change oracle database password
    To change the Oracle database password, you need to perform the following steps: Connect to the database using SQL*Plus. Create a new password file. Use the ALTER USER command to update the database password. Reload the password file. Verify password change.
    Oracle 516 2024-04-19 01:27:14
  • How to check whether the oracle database listening service is started
    How to check whether the oracle database listening service is started
    To see if the Oracle database listener service is started, you can connect to the database server and query the v$listener view. The "STATUS" column in the result set will indicate the status of the listening service: "LISTENER" means started.
    Oracle 842 2024-04-19 01:24:16
  • How to configure monitoring in oracle database
    How to configure monitoring in oracle database
    To configure an Oracle database listener, perform the following steps: Create the listener and specify its name. Edit the listener configuration file, specifying the host, port, and IP address. Start the listener. Verify that the listener is running.
    Oracle 517 2024-04-19 01:21:28
  • How does Oracle query which fields are used in a stored procedure?
    How does Oracle query which fields are used in a stored procedure?
    Oracle provides a method to query stored procedure fields: connect to the database. Run the query: "SELECT OBJECT_NAME, ARGUMENT_NAME, DATA_TYPE FROM USER_ARGUMENTS WHERE OBJECT_NAME = 'stored procedure name'". The result displays all fields and data types of the stored procedure.
    Oracle 429 2024-04-19 01:18:13
  • How to query the contents of stored procedures in Oracle
    How to query the contents of stored procedures in Oracle
    The contents of an Oracle stored procedure can be queried by executing the DBMS_METADATA.GET_DDLF function, which returns the DDL script for the stored procedure. Steps: Connect to the database. Execute query: SELECT DBMS_METADATA.GET_DDLF('PROCEDURE', 'schema_name', 'stored_procedure_name')FROM DUAL;The query will return a text string containing the stored procedure DDL script.
    Oracle 1040 2024-04-19 01:14:27
  • How to view oracle stored procedures
    How to view oracle stored procedures
    In Oracle, stored procedures can be viewed through the following methods: Data Dictionary Views: Use views such as USER_PROCEDURES to query stored procedure information. PL/SQL Developer: Expand the required stored procedure in the Stored Procedures folder. SQL*Plus: Use the DESC command to view the stored procedure structure.
    Oracle 675 2024-04-19 01:06:16
  • How to query the oracle database port
    How to query the oracle database port
    The Oracle database can query the port through the following methods: use the netstat command (such as netstat -an | grep oracle) to find the listening port; use Oracle SQL to query the V$LISTENER view (such as SELECT * FROM V$LISTENER); use Oracle Enterprise Manager to view the "connection" "Listener port" value of the " section. The default port for Oracle database is 1521, but this can be changed if necessary.
    Oracle 1105 2024-04-19 01:03:18
  • How to check oracle database status
    How to check oracle database status
    Steps to view the status of the Oracle database: Connect to the database to view the database instance status (SELECT instance_name, status FROM v$instance;) View the database session status (SELECT sid, serial#, status FROM v$session;) View the database waiting event (SELECT event , wait_time, time_waited, instance_id FROM v$event;) View database parameters (SELECT name, value FROM v$paramet
    Oracle 657 2024-04-19 00:57:18
  • How to concatenate strings in oracle
    How to concatenate strings in oracle
    Oracle provides three methods of concatenating strings: concatenation operator (||), DBMS_LOB.CONCAT()/CONCAT() function. For most cases, the concatenation operator is the most convenient choice, while the DBMS_LOB.CONCAT()/CONCAT() function is recommended for large string concatenation.
    Oracle 1018 2024-04-19 00:54:14
  • How to splice fields in oracle
    How to splice fields in oracle
    In Oracle, use the following method to concatenate string fields: Use the CONCAT function: CONCAT(string1, string2, ...) Use the string concatenation operator: || Use the LTRIM and RTRIM functions to remove spaces: LTRIM(string) and RTRIM( string)
    Oracle 425 2024-04-19 00:51:18
  • How to modify the port in oracle
    How to modify the port in oracle
    The Oracle port modification process involves the following steps: Edit the listener.ora configuration file and change the port number in the PORT line. Stop and restart the Oracle listener service. (Optional) Update the connection string in the tnsnames.ora file. Test the database connection using the new port number.
    Oracle 840 2024-04-19 00:48:16

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