elastic 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

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

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

Elastic domains are divided into key-elastic domains and descriptive elastic domains. These two types of elastic domains are used differently. Key elastic domain: only the ID is saved in the base table that uses the key elastic

Elastic domains are divided into key-elastic domains and descriptive elastic domains. These two types of elastic domains are used differently. Key elastic domain: only the ID is saved in the base table that uses the key elastic do

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

Css3 elastic box layout, css3 elasticFirst, let's take a look at the titles in the elastic box. The elastic box is divided into two axes, one is the spindle, the other is the cross axis, the direction of the spindle can be changed (up and down), after the direction of the spindle changes, the direction of the cross axis will also changeThen let's take a look at

Understand Flexbox elastic box and flexbox elastic box Bytes 1: to start using Flexbox, you must first turn the parent element into a Flex container.. You can explicitly set in the parent Elementdisplay:flexOrdisplay:inline-flex. That's simple, so you can start using the Flexbox module. 2. Flex container Properties flex-direction || flex-wrap || flex-flow || justify-content || align-items || align-content

at least 1 for an integer when it works. However, just one Box-flex attribute is not enough to implement the spatial allocation between child elements, because it depends on what his father means. So-called, my father is Li Gang, hit people very arrogant, hate dad is not just, hit people flustered panic. Only dad said, "This House is now at your disposal." "Their children can be assigned.Therefore, the parent element also needs to add the necessary declarations. This statement is:#father {Displ

--Find descriptive elastic field tables and columns based on the title of a descriptive elastic fieldSelect Fnd_dfv.title,Fnd_dfv.descriptive_flexfield_name,Fnd_dfv.application_table_name,Fnd_dfu.application_column_name,Fnd_dfu.form_left_prompt,Fnd_dfu.form_above_promptFrom Fnd_descriptive_flexs_vl FND_DFV,FND_DESCR_FLEX_COL_USAGE_VL FND_DFUwhere fnd_dfv.title = ' material '--such as: materialand fnd_dfu.de

JS implements code for the elastic menu effect, and js implements the elastic code This article describes the code for JS to implement the elastic menu effect. Share it with you for your reference. The details are as follows: This is an elastic menu for JavaScript + CSS-it is purely written and practiced by myself, and

Android with elastic View and Android with elastic View In Android development, ListView and ScrollView are frequently used. However, we can see that the effects in an excellent application are definitely not so rigid, android native ListView and ScrollView cannot meet this requirement, so this elastic View is required during development. During normal developme

Ios elastic head, ios elastic I haven't written a blog for a long time. Jin Tian has a little time to write it down. He always thinks that the elastic head is very dazzling. It looks tall and easy to write. Hierarchical Analysis There are a total of three layers, the bottom is the image layer, the middle is scrollView or its subclass, the top is the view add

JS achieves the Elastic Collision Effect of Small balls and js small ball elastic collision I. HTML code (body part) This completes the above body part. Below we will make some small styles for the div in the body. Ii. CSS ball style section The ball is to be moved. We add positioning to the ball and its parent element, and then use js to change its top, bottom, left, and right values to make the ball mov