arrive synonym

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

. Unit test and integrated test of the program . Except for these times, there is less time to write code. It is almost impossible to write very perfect code in a very short time, so there are several versions of a product ( such as the 1.0 version number, the2.0 version number, and so on ). This is in fact a version number in the revision of the program before the error or consideration is not entirely in place. So. It is important to use correctness as the primary purpose of programming.third.

Rt Reply to discussion (solution) Set up scheduled tasks on the server Use the Department of Crontab, the testhttp://blog.csdn.net/fdipzone/article/details/7263361 How do I automatically execute PHP code when I arrive at 00:00 every day?Using Scheduled Tasks Scheduled Tasks .... XX * * * */usr/bin/php-f/home/wwwroot/default/test/test.php Make a bat file that uses the schtasks system command to execute the PHP file code you want to execute

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

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

When will the next Linux kernel arrive? -- Linux general technology-Linux technology and application information. For details, refer to the following section. Now the latest Linux kernel is 2.6.27. Some people have discussed whether it is up to 2.6.30 to 2.8 or 3.0. the upgrade of Linux from 2.4 to 2.6 has continuously improved the kernel, that 2.6 to 2.8 or 3.0 would be a historical leap. It is reported that the father of Linux will change the kernel

Recently with Ubunt also encountered this problem, search this answerRefer to the original link: http://forum.ubuntu.org.cn/viewtopic.php?t=3878652, remove the "download additional data unsuccessful" annoying notification, method:$CD/usr/share/package-data-downloads/$sudo RM *-RF$CD/var/lib/update-notifier/package-data-downloads/$sudo RM *-RF$CD/var/lib/update-notifier/user.d/$sudo RM data-downloads-failedAnd then two scenarios,1 You can manually copy the downloaded flash to the. Mozilla/plugins

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

Very early on to share this experience, Pyper can be completed here today, well, words do not say, into the topic:The method mainly uses the ScrollTop value to do the movement, is used to arrive at the user to specify the position (for example returns the parameter target to the top to set to 0 can ), has handled various situations such as scrolltop > the target value upward movement, and so on 4 kinds of situation, the code and the usage paste,GoTo =

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

Oracle synonym learning. To create a synonym for a table on a remote database, you must first create a DatabaseLink (database connection) to expand Oracle synonym learning. To create a synonym for a table on a remote Database, you must first create a Database Link (Database connection) to expand

Concept A graphical synonym is a representation of an object (table), which itself has no specific definition. By graphically using synonyms, it is possible to use this object (table) in different places in the same physical diagram (physical diagram). Role: In the physical diagram between the relationship between the lines as far as possible, through the establishment of synonymous word image (graphical

Oracle note (13) view, synonym, and index links: Oracle note (1) Oracle introduction and Installation http://www.bkjia.com/database/201209/154049.html ; Oracle notes (2) SQLPlus command http://www.bkjia.com/database/201209/154051.html Oracle note (3) Scott's table structure http://www.bkjia.com/database/201209/154052.html Oracle notes (4) simple query, restricted query, and data sorting http://www.bkjia.com/database/201209/154054.html Oracle notes (5)

Analysis of OCP question _ 007: synonym synonyms are the alias of the base table. They are defined only in the data dictionary. They do not store synonyms. They provide location transparency for distributed databases. Accessing resources in different regions is just like accessing local resources. www.2cto.com (I) Syntax:Private synonyms without public are the synonyms created by common users. They are private, this is because only the user who create

1, first need to install good elasticsearch and Elasticsearch-analysis-ik word breaker2. Configure IK synonymsThe Elasticsearch comes with a synonym filter named synonym. In order for IK and synonym to work together, we need to define a new analyzer and use IK as the tokenizer,synonym filter. It sounds complicated, but