synonym for happening now

There are many interfaces in the current project, the data source may be different database or different users of the table, to access the table caused a certain amount of trouble. This time you can use synonyms to simplify. The syntax for synonyms is: CREATE [OR REPLACE] [public] synonym [schema.] Synonym name for [schema.] Object [@dblink]; You also need assignment-related permissions when you create syno

Oracle Database SYNONYM (SYNONYM) Usage This tutorial uses examples to illustrate how to create and delete Synonyms (SYNONYM) in Oracle Data ). Concept Synonyms refer to database objects (tables, views, sequences, stored procedures, and other database objects) referenced by another name. For example: Creating a synonym

Tags: OCA must rom off system rtx syn change fromSynonyms: A synonym is an alias to another data object, the synonym is dependent on its target object, and the synonym becomes invalid if the target object is changed or deleted. Synonyms are not a substitute for the privileges of database objects, that is, the object with the schema is queried, executed, deleted,

It used to be that the synonym (synonym) in SQL Server was useless, so it never looked up its syntax format. Today, there is a problem, with synonym to solve the better. The problem is that I use multiple databases in my system, and because some of the data in each database needs to be synchronized, I add triggers to the tables in one of those databases to synchr

You can use multiple methods to back up synonyms. For example, you can use a script to generate a creation script for synonyms or use dbms_metadata.get_ddl to extract definition scripts for synonyms. However, when using the traditional exp or DataPump expdp for schema-level data migration, public synonyms cannot be exported. However, we can still use the Export and Import method. The difference is that we use the full = y method to export the synonym

and receiving sides of the connection, and it does not know what is happening in the middle of the network. TCP designers feel that a great and good deal is only enough to flow control, because flow control is only the network model above 4, TCP should also be more intelligent to know the whole network. Specifically, we know that TCP samples the RTT from a timer and calculates the RTO, but if the latency on the network suddenly increases, then TCP's

Continued 《What is happening at present: if you do not plan for the worst, things will often go to the worst. (3)" The following happened from to on January 1, September 23 ~ 9: 00 AM I woke up for breakfast in the morning and called Project Manager A. I first asked the project team's service personnel to arrive at the site of the owner? The answer is that the system has been monitored on site and the current operation status of the system has been qu

1. Why use Synonyms: Synonyms, as the name implies, mean that two words share the same meaning and can be replaced with each other. What are their functions: A's most obvious goal is to simplify SQL. If the name of a database object is too long, you can create a shorter synonym, which is equivalent to the abbreviation. B. another purpose is to hide the information of some objects. for example, to search for a table in another schema, you must add the

Oracle _ sequence, index, synonym, oracle SynonymZookeeper 1. Sequence1. sequence: database objects that can be used by multiple users to generate unique valuesUnique value automatically providedShared objectIt is mainly used to provide the primary key value.Loading Sequence values into memory improves access efficiency 2. create sequence statementCreate sequence sequence[Increment by n] -- the value of each increase[Start with n] -- START from[{MAXVA

The "iOS app development" series of articles from a more macroscopic point of view, not only limited to specific features, interface implementation, but the combination of NetEase cloud letter IOS Development owner years of experience, from the perspective of how to optimize the existing code, in-depth analysis of how to create more appropriate specifications and frameworks for IOS app development . Recommended ReadingWhat's happening with IOS App 1:

Database firewall onefirewall, how to prevent the hacker physical deletion? Prevent Ctrip from happening againFirst explain the database firewall principle (white list mechanism): Similar to 360 mobile phone defender, pre-defined address book, others call you, only in the Address Book phone can answer, no direct rejection in the Address book.The database is usually the focus of sensitive information, but also one of the biggest targets of hacker attac

|____/ : \______|_____ \ : / \--------------:--------------- --/ | | : | | (node. js) v0.12.x: v0.13.x v0.14.xIo.js will continue to remain published until the merge is complete. The next big version of node. JS spans 1.0, directly to 2.0.The TC of the Io.js project will be invited to join the node. JS Foundation's TC, after all the two have agreed on technical management. The Fou

of app, day and night to learn, do, do the process is the process of learning, so there are goals, the goal is you insist on the power. Of course, can not be impatient, first get started to understand the development mechanism (dozen good piles), at least to get started with a little bit of your app, will not learn to check, completed also learned.My personal learning route is summed up like this: Get started----"complete app--in the simplest way" from the perspective of design mode to optimize

Continued 《What is happening at present: if you do not plan the worst, things will often go to the worst (4)" The following happened between and on March 13, September 23 ~ 12: 00 AM I arrived at the site five minutes earlier than dy. I would like to assist with the Division of Labor first. Don't mess up your hands because of a fault! Unified thinking: Project Manager A, colleagues in charge of telephone and QQ services do not need to be distracted,

Fedora Arch Linux-the most romantic thing is happening now... With the help of Cupid, Fedora and Arch are "in love. This is their first "crystallization", Yaourt! 0. What is Yaourt? Yaourt is a Pacman-based Arch Linux package management tool written in Bash. Now, Fedora users can easily use Yaourt to install the software in AUR. Yaourt features:Support for AURInteractive search/installationBuild Software packages from ABS source codeBackup File:. pa

After entering the URL in the browser, the browser will find its IP address by the domain name it accesses, send an HTTP request to the Web server, get a permanent redirect response for a service, then the browser tracks the redirect address, sends another request, the server receives the fetch request, and then processes and returns a response. Sends back an HTML response, and then the browser displays HTML, and when the browser displays HTML, it notices the need to get a label for the content

Bubble event is to click on the child node, the event will be passed up, and finally triggered the parent node, ancestor node Click event. HTML code section: Copy Code code as follows: Outer DIV Element Outer DIV Element The jquery code is as follows: Copy Code code as follows: When you click Span, it triggers the div and body click events. Clicking on the div triggers the body's Click event. How do you prevent this bubbling event from

Set synonyms for ease of use Select * from EMP; and so on are used for select * from ABC; Create a common synonymIf the user's level is not enough to establish a public synonym, You can authorize it under system: Grant create any synonym to Scott;Grant create public synonym to Scott; Cancel authorization: Revoke create any synoym from Scott;Revoke create public s

Set synonyms to facilitate the use of select * fromemp; and so on for select * fromabc; create a common synonym if the user level is not enough to create a public synonym, you can Set synonyms to make it easy to use select * from emp; and so on for select * from abc; create a common synonym. If the user level is insufficient, create a public

Set synonyms for ease of useSelect * from emp; and so on are used for select * from abc;Create a common synonymIf the user's level is not enough to establish a public synonym, You can authorize it under system:Grant create any synonym to scott;Grant create public synonym to scott;Cancel authorization:Revoke create any synoym from scott;Revoke create public synoym