10g RAC use service to implement taf and ractaf

taf

10g RAC use service to implement taf and ractaf As one of the key concepts in oracle databases, service can be used properly to facilitate database management and improve database execution efficiency. With service, oracle can implement server side

Hard Parse & amp; Soft Parse, hardparse

Hard Parse & Soft Parse, hardparse Each DDL execution requires hard parsing. SQL parsing process Oracle will take the following steps to process this SQL statement: 1. syntax check: check whether the spelling of this SQL statement is correct. 2.

MySql Chinese garbled problem (3), mysql Chinese garbled Problem

MySql Chinese garbled problem (3), mysql Chinese garbled Problem The MySql client is on the dos interface, but the default character set encoding method on the dos interface is: GBK (1) MySql character conversion Principle (2). view all the

How does the select_related and prefetch_related functions of Django optimize QuerySet queries? (2) djangoqueryset

How does the select_related and prefetch_related functions of Django optimize QuerySet queries? (2) djangoqueryset This is the second article in this series, covering the usage, implementation, and usage of the prefetch_related () function. The

Wait for the event log to wait for the event solution.

Wait for the event log to wait for the event solution. I insisted on reading three sets of RAC AWR every day and summarized it. Query the SQL statement of the log wait event: 9i: select * from v $ event_name where name like '% log %'; (about 14)10g:

Chapter 1 Securing Your Server and Network (11): transparent database encryption, chaptersecuring

Chapter 1 Securing Your Server and Network (11): transparent database encryption, chaptersecuringSource: Workshop Without the consent of the author, no one shall be published in the form of "original" or used for commercial purposes. I am not

MySql intercepts the DateTime field's date value, mysqldatetime

MySql intercepts the DateTime field's date value, mysqldatetime Use DATE_FORMAT to format the Date Field SELECT DATE_FORMAT(crt_time,'%Y-%m-%d') FROM ad_n_advertise_t In mysql, how does one obtain the year and month of a date field? For example,

Data center management system-link between VB and Excel, data center management system excel

Data center management system-link between VB and Excel, data center management system excel Today, I found a button "export to excel" when I checked the computer status in the data center management system-students. When I go, I have to link my

Removing temporary table empty ora-25152 error, removing ora-25152 Error

Removing temporary table empty ora-25152 error, removing ora-25152 Error Deleting a temporary tablespace or shrinking a temporary tablespace often results in table space occupation. Next we will handle this situation, First, find the locked

SQL Update multi-table joint Update method, sqlupdate joint Update

SQL Update multi-table joint Update method, sqlupdate joint Update Sometimes we need to update the data in multiple tables at the same time, then we need to use the following method: (1) sqlite multi-Table update Method Copy codeThe Code is as

OTL Chinese garbled OTL UTF8, otl Chinese garbled utf8

OTL Chinese garbled OTL UTF8, otl Chinese garbled utf8 Character encoding is supported by odbc when unixODBC is used to connect to MySQL. It does not require any compilation conditions when compiling OTL in C ++. If your database uses UTF-8

ORA-01843: not a valid month, ora-01843valid

ORA-01843: not a valid month, ora-01843valid This problem was encountered during the code today, because oracle is rarely used and the query is located. Suddenly dummies, there are a lot of posts that are due to the problem of nls_date_language,

ORA-00265: requires instance recovery and cannot set ARCHIVELOG mode work, restorearchivelog

ORA-00265: requires instance recovery and cannot set ARCHIVELOG mode work, restorearchivelogThe solution is as follows:From Oracle Database 10g Enterprise Edition Release 10.2.0.1.0-ProductionWith the Partitioning, OLAP and Data Mining options

Database index Principle

Database index PrincipleWhen you encounter a new knowledge, you can learn it through the what-why-how method. Below we will learn the database index through this method.What is database index?Definition 1: an index is a structure used to sort the

DETERMINISTIC and deterministic in Oracle

DETERMINISTIC and deterministic in Oracle I have been confused when I saw DETERMINISTIC for many times. I did an experiment today. We assume that ORACLE is a DETERMINISTIC function, which is called only once in SQL. If DETERMINISTIC is not used, the

Figure 1-select the appropriate NoSQL,-nosql

Figure 1-select the appropriate NoSQL,-nosqlNoSQL non-relational database, K-V-type storage structure, that a simple value is how to meet business needs A group of data can be stored in the value and parsed. Key design is the key design. It is

[Translated from mos] relationship between SGA_TARGET and SHMMAX,

[Translated from mos] relationship between SGA_TARGET and SHMMAX,Relationship between SGA_TARGET and SHMMAXReference Original:Relationship Between SGA_TARGET and SHMMAX (Document ID 1527109.1)Applicable:Oracle Database-Enterprise Edition-Version 10.1

Traditional databases are declining, new OLTP databases are booming, and oltp databases are declining

Traditional databases are declining, new OLTP databases are booming, and oltp databases are declining References: (1) OLTP Through the Looking Glass, and What We Found There (2) The End of an unsupported tural Era, VLDB 2007 More and more

Create a MySQL database using Python to dynamically add fields and insert data.

Create a MySQL database using Python to dynamically add fields and insert data. Application scenarios: We need to design a database to save the keywords of each document in multiple documents. Assume that each document contains more than 1000

[Translated from mos] oracle NUMA support and 11gr2numa support are enabled in Oracle db 11gR2.

[Translated from mos] oracle NUMA support and 11gr2numa support are enabled in Oracle db 11gR2.Enable oracle NUMA support in Oracle db 11gR2Reference Original:Enable Oracle NUMA support with Oracle Server Version 11gR2 (Document ID

Total Pages: 1013 1 .... 444 445 446 447 448 .... 1013 Go to: GO

Alibaba Cloud 10 Year Anniversary

With You, We are Shaping a Digital World, 2009-2019

Learn more >

Apsara Conference 2019

The Rise of Data Intelligence, September 25th - 27th, Hangzhou, China

Learn more >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

Contact Us

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.