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- Example analysis of the installation and use of Oracle container database
- This article brings you relevant knowledge about Oracle, which mainly organizes issues related to the installation and use of container databases, including basic knowledge of Oracle container databases, installation and use of container databases, and creation of container databases, etc. Let’s take a look at the content below. I hope it will be helpful to everyone.
- Oracle 2897 2022-07-11 13:35:21
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- Master the Oracle startup process in one article
- This article brings you relevant knowledge about Oracle. It mainly organizes issues related to the startup process, including NOMOUNT status, MOUNT status, OPEN status, etc. Let's take a look at it together. I hope it will be helpful to everyone. .
- Oracle 2512 2022-07-08 15:03:31
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- oracle data dictionary, data dictionary view and dynamic performance view (summary sharing)
- This article brings you relevant knowledge about Oracle, which mainly organizes issues related to data dictionary, data dictionary view and dynamic performance view. The data dictionary records the most basic information of the database, including basic data dictionary tables and data dictionary views. , let’s take a look at it, I hope it will be helpful to everyone.
- Oracle 2007 2022-07-06 13:58:54
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- Detailed examples of Oracle data table import and export
- This article brings you relevant knowledge about Oracle, which mainly sorts out the issues related to the import and export of data tables. If a large amount of data needs to be migrated, the Oracle method of choosing "Export Table" and "Import Table" does not require writing the table structure. , let’s take a look at it, I hope it will be helpful to everyone.
- Oracle 6147 2022-07-04 21:02:15
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- oracle view lock and session execution sql (summary sharing)
- This article brings you relevant knowledge about Oracle, which mainly introduces issues related to checking locks and sql in session execution. Let's take a look at it together. I hope it will be helpful to everyone.
- Oracle 3650 2022-07-01 12:23:15
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- Detailed example of Oracle temporary table
- This article brings you relevant knowledge about Oracle. It mainly introduces issues related to temporary tables, including transaction-level temporary tables, session-level temporary tables, etc. Let's take a look at them together. I hope it will be helpful to everyone. help.
- Oracle 2480 2022-06-29 17:48:30
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- Detailed introduction to Oracle backup and recovery
- This article brings you relevant knowledge about Oracle. It mainly organizes issues related to backup and recovery, including some content about data protection, Oracle backup technology comparison, etc. Let’s take a look at it together. I hope it will be useful to you. help.
- Oracle 2686 2022-06-21 12:41:57
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- How to call Oracle's stored procedure
- In Oracle, the method of calling a stored procedure is "declare...begin the stored procedure call and call the procedure in sequence END;"; the stored procedure contains three parts: the process declaration, the execution process part and the stored procedure exception. The stored procedure can There are procedures without parameters and stored procedures with parameters.
- Oracle 7924 2022-06-20 16:54:54
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- How to use the into statement in oracle
- In Oracle, the into statement can copy the selected row result set to a new table. The syntax is "Insert into Table2(field1,field2...) select value1,value2,...from Table1"; also The results of a row can be copied into a variable with the syntax "SELECT vale1, value2 into Table2 from Table1".
- Oracle 5945 2022-06-20 16:46:24
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- How to use in in oracle sql statement
- In Oracle, in in the SQL statement is used to operate data within a certain range. The specified field value only needs to satisfy any one within this range. The syntax is "select * from table name where field in (value1 ,value2,…);”.
- Oracle 5248 2022-06-20 16:36:22
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- What is the 12154 error in oracle
- The 12154 error in Oracle means that the specified connection cannot be resolved. Solution: 1. Because the environment variables are not matched, you can solve the problem by modifying the "TNS_ADMIN" and "NLS_LANG" parameters; 2. If the environment variables are correct, change the "listener.ora", Just configure the "tnsnames.ora" or "sqlnet.ora" file.
- Oracle 29582 2022-06-20 16:28:15
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- Does oracle charge a fee?
- Oracle software itself is free of charge; you can download and install Oracle's database software from Oracle's official website. However, if the database is used for commercial purposes, you need to purchase a license for the corresponding Oracle product, that is, software authorization. Software authorization is chargeable.
- Oracle 8057 2022-06-17 18:10:35
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- How to use union in oracle
- In Oracle, union is used to combine the results of two SQL statements and exclude duplicate data. The field types of the two select statements match, and the number of fields must be the same. The syntax is "select column,... from table1 union select column,...from table2".
- Oracle 5027 2022-06-17 17:31:58
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- How to release deleted table space in oracle
- Methods for Oracle to release and delete table space: 1. Use the "alter table your table name enable row movement;" statement to enable row movement, which allows rowid changes; 2. Use the "alter table your table name shrink space;" statement Just reclaim the space.
- Oracle 17123 2022-06-17 17:26:39
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- Is Oracle's primary key an index?
- Oracle's primary key is not an index; the primary key is one or more fields in the table. The value of the primary key is used to represent a record in the table, and there can only be one primary key. The index is a way for the server to quickly find a row in the table. The database structure is designed to speed up access to data in the table, and a table can have multiple indexes, so the primary key is not an index.
- Oracle 4413 2022-06-17 17:17:24
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