Oracle master。 Oracle Master

Enterprise Data Management (EDM)

Master sites operate as the target of the materialized view environment. On Create Application:• FORCE KEYSTORE temporarily opens the password-protected keystore for this operation. Associating a connection qualifier with a master group gives you the ability to define different scheduling characteristics for the propagation of the deferred transaction queue on a master group level versus on a database level as previously described. After the object is replicated to the other sites, it operates as if the object was created locally. Select Page Type - Select Master Detail. For example: ADMINISTER KEY MANAGEMENT SET ENCRYPTION KEY USING TAG 'backups" IDENTIFIED BY password WITH BACKUP USING 'hr. User Interface - Select a user interface for the page. Provide an audit trail Provide transparency with the ability to browse, filter, and download detailed change histories for completed requests. Some certification levels build on each other; for example, an Associate certification is required for Professional, while a Professional certification is required for Master. You cannot back up auto-login or local auto-login software keystores. shows how to export TDE master encryption keys whose identifiers are fetched by a query to a file called export. Column Groups Column groups provide the organizational mechanism to group all columns that are involved in a conflict resolution routine. The deferred transaction queue stores deferred RPCs. This could cause redo generation to fail, and the DBWR background process would not be able to write the data, which would possibly lead to a database instance hang or crash. The GoldenGate Software Command Interface GGSCI utility sets the TDE Oracle GoldenGate shared secret in the extract process. You can merge two software keystores into a third new keystore, so that the two existing keystores are not changed. The Oracle Certified Professional OCP credential builds upon the fundamental skills demonstrated by the OCA. Anyone considering using the services of an Oracle support expert should independently investigate their credentials and experience, and not rely on advertisements and self-proclaimed expertise. If the candidate fails to show up on the scheduled testing time and date, the exam will be voided and no refund shall be given. You might need to modify tables to meet the needs of the conflict resolution methods you implement. Because of the need to roll back a transaction if any site fails, synchronous replication is extremely dependent on highly-available networks, databases, and the associated hardware. The internal trigger captures any DML and immediately propagates these actions to all other master sites in the replication environment. If master tables are quiesced, then materialized views based on those master tables cannot propagate their changes to the target master tables, but local changes to the materialized view can continue. p12 appears in the keystore location. You can replicate the definition of storage tables for domain indexes, but you cannot replicate the storage tables themselves because they typically contain ROWID information. sso file was created, would be able to access the HSM credentials. The OCA credential ensures a candidate is equipped with fundamental skills, providing a strong foundation for supporting Oracle products. This query is executed with current user rights. Depending upon the option you select, additional attributes appear. The Gartner Group has noted that , evidently forgetting that MDM has been done for decades under another name: " MDM is a process that may be workflow-driven or transactional in nature, in which business units and IT departments collaborate, cleanse, publish and protect common information assets that must be shared across the enterprise. Keystores can store secrets that support internal Oracle Database features and integrate external clients such as Oracle GoldenGate. You can change this password at any time. This configuration reduces the security of the system as a whole. ADMINISTER KEY MANAGEMENT USE KEY 'ARaHD762tUkkvyLgPzAi6hMAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' USING TAG 'quarter:second;description:Activate Key on standby' FORCE KEYSTORE IDENTIFIED BY EXTERNAL STORE WITH BACKUP; keystore altered. You might occasionally need to manually propagate your deferred transactions if you do not want to wait for the job queue to automatically propagate the deferred transactions. Back up the software keystore separately. Synchronous Replication Synchronous replication propagates any changes made at a local site to other synchronously linked masters in a replication environment during the same transaction as the initial change. While a replication environment is quiescing, the user is no longer able to execute a transaction against a replicated object, but any existing deferred transactions are propagated. A single master site that supports one or more materialized view sites can also participate in a multiple master site environment, creating a hybrid replication environment combination of multimaster and materialized view replication. Set the Oracle GoldenGate-TDE key in the keystore by using the following syntax. An additional organization mechanism helps to group columns that are used to resolve conflicts for a replicated table. Conflict Type Summary Update conflict Two or more DML statements are applied to the same row at different replication sites before the DML statement can be propagated to the other sites. Providing more localized data access Applications that have application load distribution requirements commonly include customer service oriented applications. Oracle GoldenGate Extract only writes the decrypted data to the Oracle GoldenGate trail file, which Oracle GoldenGate persists during transit. Remember that the USING clause specifies the service name for the remote target database. Credentials are granted based on a combination of passing exams, training and performance-based assignments, depending on the level of certification. Note: Although the DDL must be successfully applied at the master definition site in order for these procedures to complete without error, this does not guarantee that the DDL is successfully applied at each master site. If you find an error or have a suggestion for improving our content, we would appreciate your feedback. The TDE master encryption key and its corresponding ID will not be captured by any auditing logs. User issues DML statement or executes a wrapper for a replicated procedure. " In sum, the role of the Data Administrator has not changed since the 1980's, and this new master data management is just another "spin" on an age-old job role. A modal dialog is an overlay window positioned within the viewport, which remains active and focused until the end user dismisses closes it. To learn more about an attribute, see field-level Help. Data keys - The usage of shared data components varies between department, as does the keys for the data. Oracle strongly recommends that you do not delete keystores. Replication is "stopped" in this mode. This examination includes the type attributes, order of attributes, and type name. This section contains these topics:• After you move the encryption key to a new keystore, and when you are sure that the old keystore is no longer needed, you then can delete the old keystore. Even if you decrypted all of the data in your database, you still should not delete the keystore, because doing so could still hamper the normal functioning of the Oracle database. Oracle provides several prebuilt conflict resolution methods:• The ADMINISTER KEY MANAGEMENT ADD SECRET statement can add an HSM password to a software keystore. Such a failover site can also serve as a fully functional database to support application access when the primary site is concurrently operational. Back when business computing was called "Data Processing", MDM was know as "Data Administration", the job of defining and managing the companies metadata. The following is an example of a circular dependency: Table A has a foreign key constraint on table B, and table B has a foreign key constraint on table A. Page Number - Enter the page number of the master page. The ADMINISTER KEY MANAGEMENT ADD SECRET statement can add an Oracle Database secret to a hardware keystore. However, the merged keystore can be used as the new configured database keystore if you want. To change the password of a hardware keystore, you must use the ADMINISTER KEY MANAGEMENT statement. The ADMINISTER KEY MANAGEMENT statement with the EXPORT [ENCRYPTION] KEYS WITH SECRET clause exports a TDE master encryption key. Log in to the replication site as the user who owns the type. Validate viewpoints Improve the quality of data within an application or business domain by validating separate perspectives, called viewpoints. Create the TDE master encryption key. Reverse migration configures this keystore to act as the new software keystore with a new password. Load Balancing: Advanced Replication provides read load balancing over multiple databases, while Oracle RAC provides read and write load balancing over multiple instances. targetKeystorePath is the directory path to the target keystore on the file system. Some asynchronous activities, such as populating a replicated table, require communication with the master definition site. On Create Page, select Single Page Master Detail. When the master encryption key is set, then TDE is considered enabled and cannot be disabled. These are optional and not required to have a certification. Offlined tablespace operations• Examples of ways that you can close the keystore are as follows. Gain a system of reference Provide a system of reference for all your enterprise data across business domains. The new value of each updated column Note:• You can use this approach as an easy way to distribute objects and data to remote destinations. You can specify the TDE master encryption keys to be exported by using the WITH IDENTIFIER clause of the ADMINSITER KEY MANAGENT EXPORT statement. For example, a multimaster replication environment can replicate data in your database to establish a failover site should the primary site become unavailable due to system or network outages. Name - Enter the name used to identify the application to developers. Uniqueness conflict An insert is performed at two or more sites and the primary key or other set of unique columns for each insert contains the same value, or an update at one site modifies the primary key or other set of unique columns , which contains the same value as an insert at another site. If you monitor the administrative request queue and a request remains in the READY state for a long time, then a request in front of the ready request might be waiting for a callback. Note that validations are not created for columns if the column is set to read-only, either based on the user's selection, or defined user interface defaults. However, Oracle does not defer the execution of such RPCs. You can export to regular file systems only. Oracle Database uses the same TDE master encryption key for both TDE column encryption and TDE tablespace encryption. Oracle has two types of master replication: single master replication and multimaster replication. If possible, avoid situations where many transactions all update the same small table. Enclose this description in single quotation marks ' '. Validations are created for columns that are set to NOT NULL in the underlying table and columns of type NUMBER, DATE or TIMESTAMP. In case of failures, the local site asks the remote site for information about the transactions that have been propagated successfully so that propagation can continue at the appropriate point. The Advanced Replication interface in Oracle Enterprise Manager also uses the procedures and functions of each site's replication management API to perform work. This step requires that you merge the keystore from ASM to the file system, as follows: ADMINISTER KEY MANAGEMENT MERGE KEYSTORE srcKeystorePath IDENTIFIED BY srcKeystorePassword INTO EXISTING KEYSTORE targetKeystorePath IDENTIFIED BY targetKeystorePassword WITH BACKUP USING backupIdentifier; In this specification:• Oracle Certified Professional Java SE Programmer also formerly the Sun Certified Java Programmer [ ] Java Certification Path Oracle's Certified Professional Programmer OCPJP exam is the fundamental exam required to demonstrate solid understanding of and is a prerequisite to a number of the other Java certificates. Additionally, if a table of the same name and structure already exists at the target replication site, then you have the option of using the existing object in your replication environment. ROWDEPENDENCIES specifies that the SCN is tracked for each row in the table. Some features can be adversely affected if a keystore is deleted and a TDE master encryption key residing in that keystore is later needed. If a procedure has been replicated and its wrapper is executed at a master site, then the procedure call is captured for replication. When a table does not have a primary key, you must designate an alternate key—a column or set of columns that Oracle can use to uniquely identify rows in the table during data replication. When you restart the database instance, then auto-login and local auto-login software keystores automatically open when required that is, when the TDE master encryption key must be accessed. You can only change the password for protected-protected software keystores. Transaction B depends on transaction A because transaction B sees the committed update canceling the order transaction A on the local system. Synchronous data propagation occurs when an application updates a local replica of a table, and within the same transaction also updates at least one other replica of the same table. You can activate a previously created or imported TDE master encryption key by using the USE KEY clause of ADMINSTER KEY MANAGEMENT. Enclose this path in single quotation marks ' '. Figure 2-7 Synchronous Data Replication Mechanisms As shows, Oracle uses the same internal triggers to generate remote procedure calls RPCs that asynchronously replicate data-level changes to other replication sites to support synchronous, row-level data replication. Consider using row-level dependency tracking. Specifically, Oracle propagates:• By default, Oracle minimizes the amount of data that must be communicated to detect conflicts for each changed row in the table. This configuration distributes the network load across multiple master nodes, providing improved scalability and availability should one of the master nodes become unavailable. How you should proceed depends on whether you are using united mode or isolated mode. Object and Data Transport: After an object has been replicated to a target destination site, replication support is not automatically generated. Each key contains important information such as whether or not it has been backed up. After a master group is created, you cannot remove, add, or change the connection qualifier for the group. The first page is a non-editable interactive grid. Multimaster replication provides complete replicas of each replicated table at each of the master sites. Tip: The Create Application Wizard uses general best practices to generate the application and does not include several advanced options included in the Create Page Wizard. In addition, DML on a row that contains a nested table results in separate RPCs for the parent table and for each affected row in the nested table's storage table. Oracle has recently introduced Junior Associate certifications e. However, in asynchronous replication, the deferred transaction is held at the originating site until the downed site becomes available. Any index that is used for performance reasons, however, must be explicitly selected for replication to be created at the other master sites participating in the replication environment. Replication Administrator The replication administrator performs all of the administrative functions relating to a master site in a replication environment. This configuration ensures the bi-directional communication channels between master sites needed for multimaster replication. You can use ADMINISTER KEY MANAGEMENT EXPORT to export TDE master encryption keys from a keystore, and then import them into another keystore. You can merge any combination of software keystores, but the merged keystore must be password-protected. Understanding Mixed-Mode Multimaster Systems In some situations, you might decide to have a mixed-mode environment in which some master sites propagate a master group's changes asynchronously and others propagate changes synchronously. If you mistakenly use the ADMINISTER KEY MANAGEMENT MOVE KEYS statement instead of ADMINISTER KEY MANAGEMENT MERGE KEYSTORE when you are configuring a new TDE keystore for example, when you are changing the TDE keystore configuration from one where the software keystore is located in the operating system's file system to one where the software keystore is located in Oracle Automatic Storage Management Oracle ASM , then the following symptoms may help you to identify the TDE misconfiguration that was introduced by the use of the wrong key management command:• ADMINISTER KEY MANAGEMENT BACKUP KEYSTORE USING 'hr. Navigate to the application, or create a new application. Job Queue Oracle manages the propagation process using Oracle's job queue mechanism and deferred transactions. Object Tables and Replication When you replicate object tables, the following conditions apply:• Reduce the parallel propagation value to 1 and proceed to Step. shows how to export TDE master encryption keys by specifying their identifiers as a list, to a file called export. Typically, a master detail form displays a master row and multiple detail rows. The following actions are not allowed directly on the storage table of a nested table in a replicated table:• AES256• In the GGSCI utility, run the ENCRYPT PASSWORD command to encrypt the shared secret within the Oracle GoldenGate Extract parameter file. In this case, certain application conditions can establish dependencies among transactions that force Oracle to serialize the propagation of deferred transactions. These deferred RPCs are stored in the deferred transaction queue and are propagated to the other master sites participating in the replication environment. When you configure all scheduled links to use serial propagation, the replication system does not use parallel processes. Now suppose that you create master site C with an asynchronous propagation mode. Another way to look at the configuration of database links is that there are N - 1 database links for each master site, where N is the total number of master sites. For each master group, the Advanced Replication interface in Enterprise Manager displays the corresponding status of each administrative request. IT managers often use the OCP credential to evaluate the qualifications of employees and job candidates. Oracle GoldenGate uses this name to look up the actual key in the ENCKEYS file. For example, if the following master group is scheduled to propagate changes once an hour, then consider what happens when: Time Master Site A Master Site B Status 8:00 AM Propagate Changes to Master Site B Propagate Changes to Master Site A Data converges. If the TDE master encryption key is not in the primary keystore HSM , then it will be searched for in the software keystore. Failed Assignments must be resubmitted within 30 days. The Oracle Certification Program certifies candidates on skills and knowledge related to Oracle products and technologies. If you have achieved your performance goals with a parallel propagation value of 1, then you have implemented parallel propagation, and you do not need to complete the remaining steps in this procedure. Whether a common key from two source keystores is added or overwritten to a merged keystore depends on how you write the ADMINISTER KEY MANAGEMENT merge statement. Log in to the database instance as a user who has been granted the SYSDBA administrative privilege. srcKeystorePassword is th source keystore password. com that connect to the remote database using different paths. Wizard generated master detail forms also automatically create validations for some columns. Auto-login keystores open automatically when they are configured and a key is requested. Because a single user performs these tasks, only one set of private database links must be created for the replication administrator. By using the description for the service name, the wizard ensures that the database link is valid for all replication sites. Execute suspend when you need to modify the replication environment. illustrates a multimaster replication system. Synchronous replication, also known as real-time replication, applies any changes or executes any replicated procedures at all sites participating in the replication environment as part of a single transaction. The following sections describe several different environments that have different information delivery requirements. Three alternatives to replicating sequences guarantee the generation of unique values and avoid any uniqueness data conflicts. To perform deletes on tables with self-referential integrity constraints, use procedural replication. A master group in normal mode can continue to process updates while other master groups are quiesced. Hence, if the BACKUP column is YES, then after you perform an operation that requires a backup, such as adding a custom attribute tag, the BACKUP column value changes to NO. In the following version, the password for the keystore is external, so the EXTERNAL STORE clause is used. Packages and Package Bodies Selecting packages and package bodies for replication and generating the needed replication support gives you the ability to do procedural replication. Use the Replication Management API Oracle recommends that you use the replication management API to create, modify, or drop any replicated object at a replication site, including user-defined types. It can have a password that is different from the constituent keystores. For Oracle databases, MDM allows for several important data management functions:• After you complete the switch, keep the hardware security module, in case earlier backup files rely on the TDE master encryption keys in the hardware security module. Replication Protection Mechanisms In a multimaster replication environment, Oracle ensures that transactions propagated to remote sites are never lost and never propagated more than once, even when failures occur. Use the ONLINE and REKEY clauses. You can store Oracle GoldenGate secrets in Transparent Data Encryption keystores. ERROR: If a request cannot be successfully executed, then it is placed in the ERROR state. To use the merged keystore, you must explicitly open the merged keystore after you create it, even if one of the constituent keystores was already open before the merge. Synchronous Data Propagation As shown in , whenever an application makes a DML change to a local replicated table and the replication group is using synchronous row-level replication, the change is synchronously propagated to the other master sites in the replication environment using internal triggers. Asynchronous replication requires less networking and hardware resources than does synchronous replication, resulting in better availability and performance. Your replication environment might have one or more of the following requirements. Enclose this secret in double quotation marks " " , or you can omit the quotation marks if the secret has no spaces. Users can still query tables that belong to a quiesced master group. To configure a database server's pool of parallel query processes, use the following initialization parameters:• Set parallel propagation to the value that offers the best performance in your environment based on your testing. Oracle recommends that you use this approach when you configure an auto-login hardware keystore. Of these replicated objects, replicated tables are the foundation of your replication environment. mkid, the TDE master encryption key ID, is a 16—byte hex-encoded value that you can specify or have Oracle Database generate. Note: If a request is in the ERROR state, then resolve the error condition as described by the error number and resubmit the request. You can use Oracle Net to configure automatic connect-time failover, which enables Oracle Net to fail over to a different master site if the first master site fails. The creation time of the new TDE master encryption key is later than the activation of the TDE master encryption key that is currently in use. For Data Guard Logical Standby , you must copy the keystore that is in the primary database to the standby database. A single master site supporting all of the materialized views, which reduces the possibility of divergent data because conflict resolution is performed only at master sites or master materialized view sites in a multitier materialized view environment. If you must alter the shape of a materialized view as the result of a change to its master, then you must drop and re-create the materialized view. The requirements are as follows:• Binary LOB BLOB• Database Links Created by the Advanced Replication Interface If you use a wizard in the Advanced Replication interface in the Oracle Enterprise Manager to set up your replication sites, then, by default, the wizard creates database links with a USING clause that contains the description of the service name in the tnsnames. To configure a pool of parallel processes for a server properly, you must consider several issues related to the configuration of a replication system. If asynchronous propagation is used, then you can use the following methods to propagate the deferred transactions:• Typically, serial propagation is used only for backward compatibility. Oracle records the system change number SCN of the most recent transaction that updates data that is seen by the new transaction as the dependent SCN. By using the WITH BACKUP clause, you create a backup for Keystore B before the merge operation begins. Then each master site propagates changes to their materialized views when the materialized views refresh. Align your enterprise applications Support ongoing change management across all your applications with self-service enterprise data maintenance, sharing, and rationalization. Master Definition Site In a multimaster replication environment, one master site operates as the master definition site for a master group. When you re-open a keystore after closing it, the keystore contents are reloaded back into the database. Master Region Title - Enter a region title for the master region. The type is in the same schema at all replication sites. The deferred transaction queue entry applied at a remote destination. IDENTIFIED BY can be one of the following:• Knowing how and why replication is used provides you with a greater understanding of how the individual architectural elements work together to create a multimaster replication environment. An external store for a keystore password stores the keystore password in a centrally accessed and managed location.。 。

Enterprise Data Management (EDM)

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Oracle MDM: Master Data Management

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Managing the Keystore and the Master Encryption Key

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Managing Master Detail Forms

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Managing the Keystore and the Master Encryption Key

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