Tags: Wind brother Oracle Oracle Training Oracle Database tutorial Oracle video wind Brother Oracle TutorialsBecause it is a "top secret leaked" information, to prevent the investigation, the need for the small partners to quickly download the attached courseware document.Because the video is too large, has been placed in the Baidu network, has been in the middle of the instructions, so as not to be harmonious.-----------------------------------------
650) this.width=650; "Src=" https://s3.51cto.com/wyfs02/M00/05/D7/wKiom1mtGVDSusvRAAYGcg97wFw550.png-wh_500x0-wm_ 3-wmp_4-s_2418458466.png "title=" the DBA Training "alt=" Wkiom1mtgvdsusvraaygcg97wfw550.png-wh_50 "/>There is no doubt that today's era has already entered the "Data age", data everywhere, everywhere, is also in an unprecedented way to change our lives.
The status of Oracle database
Oracle DBA Database Senior Engineer Training Package (series more than 60 sets + seven phases + thousands of cases)DescribeOracle DBA Database Senior Engineer Training course is the wind brother alone research and development of the fine combat courses, the road map is mainly to let everyone fast employment, high-payin
Oracle DBA Database Senior Engineer Training Upper (project implementation + Backup Recovery + foundation depth)Purchase Address:Http://edu.51cto.com/pack/view/id-739.html
DescribeOracle DBA Database Senior Engineer Training course is the wind brother alone research and development of the fine combat courses, the r
, restore the transaction log backup after the differential backup is restored (if you don't have a differential backup after the last full backup), again, don't forget the no recovery. It's really bad to do all this with a graphical interface. The more backups you make, the longer you restore and the more error-prone. Instead, you need a script to manage the backup folder, find the corresponding file, and make an automatic reply.In the following training
. Increase the Index organization table query. (The query result column is placed in the index, and the number of queries is not cost-effective.) Cbo. For query excute more times, the effect is obvious). Reduce get.--average per row occupancy, tuple storage size. property is not occupied. Estimation method: Average row data occupies length * How many rows. Analogue data, table data acquisition, average length. --dbms_stats.gather_table_stats data statistics. Automatic trigger mechanism + manual
Label:014-12-23slow Hang lock three common performance issues hang; The entire database is not responding and a new connection cannot be created. Hanganalyze output. If the dump file has problem information, does the file have additional information tools: AWR. 10046, Oradbug, RDA, SQL TRACE, pl $: RBO cbochoose first_rows all_rowsrowidrecursive callsrow sourcepredicate (WHE Re condition) DRIVING table (driver table, usually oracle from left to right. Table data is minimal, most drive table, les
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.