Tags: ODI partial user process modification supports storage elementsWith Oracle 12c introducing the in memory component, the Oracle database has dual-mode data storage that enables support for mixed-type applications: traditional, row-saving data meets OLTP applications, and data stored in columns satisfies OLAP appli
Oracle DB In-memory is pre-installed in Oracle database 12c (12.1.0.2 version) without the need to install additional software or recompile existing database software. This is because the in-memory option is seamlessly integrated into the
Oracle 12c In-Memory
Oracle introduced the In-Memory and columnar compression option In 12c, which greatly improves query performance.
Here, we can see how much performance can be improved in the same query through a comparison.
1
Oracle 12c In-Memory in Tablespaces
As mentioned In the previous article, you can enable In-Memory at the table level. In fact, you can also enable Tablespaces at Tablespaces level, in-Memory is also enabled for all tables stored In Tablespaces. Let's test it.
1. Create a ta
Previously summary:Oracle's new features in Oracle OpenWorld 2013 for Larry Ellison explosive:Oracle in Memory Option1. This new feature will be released with 12.1.0.2 ;2. in memory option will not replace TimesTen (TT), as this is a two-tier product, TT is still in the DB layer before, and the application is closely connected to the application to provide cache,
Tags: Oracle database 12cThe thousands of expected Oracle In-memory options are included in the version of Oracle 12.1.0.2 . Now that Otn has provided the download to begin with, the current major version is the Linux x86 and Solaris Platform, the software installation process is similar to the previous version, this a
Factors to consider before upgrading to Oracle DB 12c: The function of the EM Express 12c in DB 12c is reducedIf you use notifications in DB control, perform a task, and so on, and there is no such function in EM Express 12c, you need to consider these issues extra. The reco
pga_aggregate_limit=0; --disables the hard limitImportant NOTES:When the current PGA limit is exceeded, Oracle automatically terminates/aborts the session or process to maintain the most appropriate PGA memory.11. Enhancements to table partitioning maintenanceIn the first part, I explained how to migrate a table partition or sub-partition to another table space, either online or offline. In this article, t
$rootORCL 1 Cdb$rootSys$background 1 Cdb$rootSys$users 1 Cdb$root(Note: read-only pdb$seed not listed here)(2) in the PDB sessionSql> alter session set CONTAINER=PDBORCL;Session altered.Sql> select name,con_id,pdb from V$services;NAME con_id PDB----------------------------------- ---------- ------------------------------PDBORCL 3 PDBORCL5. How to connect directly to a PDB instead of ' alter session set container '?[Email protected] ~]$ sqlplus Pdb1_u1/[email protected]Sql*plus:release 12.1.0.1.0
at the end of 2013, it further expands the comprehensive portfolio of Oracle products in application, social networking, platform and infrastructure services. At the same time, Oracle recently released a series of cloud-oriented Database and software integration products, including Oracle Database 12c)
sessions or processes to maintain the most appropriate PGA memory.
6. Enhanced table partition Maintenance
In the first part, I explained how to migrate a table partition or subpartition to a different tablespace online or offline. This article describes other improvements to Table Partitioning.
Add multiple new partitions
Before Oracle 12c R1, only one new part
maximum value when the descending sequence reaches the minimum value. If you do not loop, the error occurs when the limit value is reached and the new value continues to be generated.
CACHE
(buffered) Defines the size of the memory block that holds the sequence, which defaults to 20. NoCache indicates that the sequence is not buffered in memory. Memory
Deploy Oracle 12c
System Configuration
CentOS7 systemMemory: 4GB and aboveSWAP:8GB (twice times the physical memory)CPU: Dual CoreInstall Oracle's folder free space to be 15GB or above, this machine is 20GBInstall package database, Flash (can be managed using Firefox Web page)
Installation action
Turn off firewalls and enhan
includes the container parameter, which must is set to all, as shown in the following example:
Dbms_goldengate_auth.grant_admin_privilege (' C # #GGADMIN ', Container=>all)Since Oracle 12c is already a multitenant architecture, there are a few things to consider when using Ogg synchronization1. Extraction mode can only be integrated (integrated) mode, does not support the capture of Claasic capture tr
Tags: splay SQL mouse Fire Protection Create group Windows fonts directory permissions rapOriginal: 535894461. Installation PreparationOracle Linux 7.3 Other 7 versions are also available, after installation upgrade to the latestOracle Database 12cOracle VirtualBoxXftp 5Xmanager 5Putty or CRT2. Installing virtual machines and Linux environmentsA. Create a new virtual machineMemory according to their own actual conditions to giveConfigure CPU and other parameters (change the pointing device to US
Tags: io os ar using the for SP file div onSince Oracle 12c is already a multitenant architecture, there are a few things to consider when using Ogg synchronization
A CDB contains multiple PDB, and one extract of the source-side deployment can access all PDB redo, which theoretically does not require a separate configuration of extract per PDB.
Extraction mode can only be integrated (integrated
the following physical Memory requirements:Minimum:1 GB of RAMRecommended:2 GB of RAM or moreB.) Swap disk space proportional to the system ' s physical memory as follows:
Ram
Swap Space
Between 1 GB and 2 GB
1.5 times the size of RAM
Between 2 GB and GB
Equal to the size of RAM
More than GB
+ GB
Note: The above rec
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