what is primary dns

YaopipiWhat is a cluster Table? What is the difference with a transparent table? Xjq A cluster Table means that many tables are merged into a table. I can find some descriptions in help.Table ClustersSeveral logical data records from different cluster tables can be stored together in one physical record in a table cluster.A cluster Key consists of a series of fre

unified way to access different databases, like ODBC, where JDBC shields developers of details, and JDCB access to the database is platform agnostic. Jndi (Java name and directory Interface): The Jndi API is used to perform name and directory services. It provides a consistent model for accessing and manipulating enterprise-class resources such as DNS and LDA

[Back To Directory] Vernacular C ++ 1.2 What is a computer It is said that in A Dream of Red Mansions, the classics saw "Yi", while the Taoist saw "prostitution", and the only child saw "lingering". The revolutionaries saw "full", and the rumor house saw the secret of the palace ....... I read "Dream of Red Mansions" for the first time in the third grade of

Knowing how the Hosts file works, what does it do in specific use?1, speed up the domain name resolutionFor sites that you want to visit frequently, we can configure the domain name and IP mappings in the hosts so that when we enter the domain name computer We can quickly resolve the IP without having to request a DNS server on the network.2. Convenient for local area network usersIn many units of the local

separate class. The prophecy is intended to predict the future of unknown variables, a prediction that takes time to verify, that is, after a certain amount of time, to know how accurate the prophecy is.· Affinity Grouping or association rules (Affinity grouping or association rules)Decide which things will happen together.Example:A. Customers in supermarkets bu

"; Case 2: Echo "intermediate "; Case 1: Echo "elementary "; Default: Echo "wrong grade value "; } ?> The execution result is: grade value of the advanced intermediate primary error. So what do you think ?? $ Level = 3; Switch ($ level) { Case 3: Echo "grant administrator permissions "; Case 2: Echo "grant Website Service Permissions "; Case 1: Echo "grant mod

Chinese What is Chinese participle? As we all know, English is a unit of words, words and words are separated by space, and the Chinese word is the unit, all the words in the sentence to describe a meaning. For example, English sentence I am a student, in Chinese is: "I am a

First build the dual-pass memory must be a dual-1G memory is not allowed to open two channels What is a dual channel? Dual-channel memory technology is actually a memory control and management technology, which relies on the memory controller of the chipset to be able to theoretically enable two of the same size of mem

I found that today, almost Eminence Oo and UML, there are still a lot of system analysts who have a smattering of Oo and UML, and even many system analysts who have been using UML for a long time. So I intend to write a series of articles, will be a summary of the work experience over the years. For beginners to play a role in the Enlightenment, but also hope to throw bricks, and all the way prawns together to explore and improve together. This series of articles will be based on my understand

"creating website value for win users "? Many websites have indeed been optimized. However, when users click a website through rankings, they will find another site with a few eyes lingering. There are also some websites, even if the keyword is relatively high, but there is still no traffic, or very few, what is