Today I took the exam of 1z0-001 and 1z0-026, pass. So far, ocp8i's exams
It's over.
1Z0-001 is very simple on the internet, but it takes a long time in the exam, which may be
The topic description is too long, at the same time many options are very confusing, a little attention will choose
Error. Maybe I've never written it in the wrong way, but I can tell.
Not come out.
The Pl/sql in 001 is really very simple, are all concepts, so there is no need for pl/sql
To test 007, but it is estimated th
, indexes, partitions, and more.SQL Tuning Advisor: can provide materialized views, indexes, partitions and other suggestions; run automatically in the Maintenance window.Small difference: SQL Tuning advisor adjusts each SQL statement individually; SQL Access Advisor adjusts all SQL statements at the same time.27.Database Configuration Assistant: In the Nomount State, only the service is deleted and the data is not deleted.28.Automatic Workload reporsitory (AWR): Automated Workload repositoryThe
that all submitted data is written to the data file during a consistent shutdownInstance recovery time:Refers to the time required to push the last checkpoint (checkpoint location) of the data file to the latest SCN recorded in the control file. Administrators can control the time by setting the mttr target and resizing the redo log group.MTTR:Mean time to Repair, that is, the mean duration of repair. Refers to the average repair time for repairable products, which is the time between failure a
free space in the data block, the new state of the block is reflected in the bitmap. By using bitmaps, the Oracle DB You can increase the degree of automation in managing free space. Therefore, this type of space management is called "Automatic segment Space Management (ASSM)".Manual: This method specifies that you want to use an idle list to manage free space in a segment. A free list is a list of blocks of data that have space to insert rows. Because of this way of managing the space, you nee
Patch/one-off Patch Patch installation cases and failed rollback cases, daily management and maintenance of the PSU patch set installation case for Oracle 11.2.0.4 and the failure of rollback cases. Details of the course are as follows:01. Be familiar with Oracle software version number02. Mastering Oracle Patch Classifications03. Current PSU Release status04.opatch Patch tool and installation case05.interim patch/one-off Patch Minor patch installation case06.interim Patch/one-off Patch install
log file function and concept analysis, redo log routine maintenance and optimization optimization, Redo log Add/delete/mirror, ddl/dml operation and Redo relationship, Detailed update, truncate, select Redo process, Oracle Redo dump log file in-depth analysis and other daily management and maintenance. Details of the course are as follows:1. Redo log file function and concept analysis2. Redo Log status detailed and daily maintenance3. Add/delete/mirror of Redolog4. What to do if the log is inc
backup11. Incomplete recovery case based on point-in-time12. Incomplete recovery case based on cancellation13. An incomplete recovery case based on SCN14. How to recover one or more corrupted data files in archive mode15. How to recover one or more corrupted data files in non-archive mode16. Restore deleted after tablespace offline backup in archive mode17. Recovery cases where data files are missing and no backups are in archive mode18. Incomplete recovery case for corrupted archive logs19. Lo
set of Oracle Tutorial Training learning Oracle Database Export and import logical backup recovery parameters and common syntax, configure the production environment of logical automatic backup strategy, EXP/IMP production environment data migration process and considerations, exp/ IMP Data migration case, exp/imp migration process Character Set processing, Exp/imp optimization method, Exp/imp common problems and solutions.Oracle database logical Backup to restore the migration of exp and IMP,
parameter descriptionTable space Performance vs. non-standard block size tablespace creationTable space Migration process (data files vs. objects)Table space Maintenance and status checksOracle-managed files (OMF)What if the system and the Sysaux table space are full?How do I handle a temporary tablespace when it is full?Default temp table space too large to handleThis article is from the Oracle Database tutorials Blog, so be sure to keep this source http://oracle13c.blog.51cto.com/8020378/1879
July 8, 2013, Oracle China announced that the company's new generation of database oracle12c officially listed, and can be downloaded through the Oracle Technology Network (OTN). The product was released by CEO Larry Ellison at Oracle's global convention as early as October 1, 2012, and after 9 months of waiting, users can finally use Oracle's most heavyweight products.
Compared with Oracle's previous generations of databases--oracle 8i, 9i, 10g, 11g, the Oracle
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) oracle SuperCluster M6-32 Integration System Oracle SuperCluster M6-32 Engineered System), Oracle Virtual computing device Oracle Virtual Compute Appl
Summary of the new features of Oracle 12c on business impact (1)
1. invisible fields
In Oracle 11g R1, Oracle introduces some good enhancement features in the form of invisible indexes and virtual fields. Inherit and develop the former, and introduce the invisible field idea in Oracle 12c R1. In earlier versions, to hide important data fields to avoid displaying them in common queries, we often create a vi
PL/SQL enhancements in Oracle 12c
Oracle 12c enhances a series of methods for defining and executing PL/SQL program units. This article covers several new features of Oracle 12c:
1. optimized the caller permission function for the result cache condition.2. PL/SQL functions can be defined and executed in SQL statements.3. Use the accessible by condition to specify
Label:Oracle 12C still supports the beta version of Bbed,oracle 12C, and for those accustomed to using bbed (Oracle scalpel), whether 12C continues to be supported is a matter of great concern, through this experimental test, 12C continues to support bbed, Many difficult database restores can still be achieved through
Tags: passwords dba OMS databaseThe former has deployed Oracle Cloud Control 12c on the virtual machine, and for a few days, forget the login password. The main reason is that Oracle-related software now provide a stronger security mechanism than before. What simple "Oracle" like PWD is no longer supported. It's just a while to forget. This year, more accounts, more passwords, is not much rice, haha ... Let's talk about its solution.First, Emctl comma
non-routine recovery of Oracle 12C CDB database without database backupFamiliar with Dul friends know Dul is file# 1 Block 1 kcvfhrdb find bootstarp$ Segment Header (in fact Kcvfhrdb is bootstarp$ segment Header RDBA address), Then through the related SQL stored in the bootstarp$ to find some base table objects (obj$,tab$,col$,seg$, etc.), and then through their positioning to the specific object of the segment records, so segment find extent distribu
The problem is as follows:In 12c, we tested two cases:The first is to add hint, so that the 12c execution plan is similar to 10 GB, but because of the 12c nlj_batching, a nestloop is added. However, the execution plan is essentially the same, and the index S_CONTACT_X_U1 returns the table query.The second is to use 10g outline hint, OFE = 10g, and the execution p
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