workflow synonym

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Oracle has ORA-01775: A synonym loop chain problem

Oracle has ORA-01775: A synonym loop chain problem 1. When you use a program to connect or use plsql to query synonyms, if there is a problem like ora-01775: the loop chain of synonyms. It is generally because there is a synonym, but there is no corresponding object for the synonym. 2. check whether there is a synonym

The method of realizing common user query x$ base table by creating view and synonym way

See a group of people asked the ordinary user access to the base table problem, the test is as follows:The x$ base table can be accessed by creating a view, and then creating a synonym, authorization, and access to the base table for ordinary users.Of course, ordinary users visit the base table is not reasonable, theoretically not necessary, permission control should also be disallowed. It is not considered reasonable here to experiment on this issue.

TRUNCATE Synonym & ORA-00942

colleagues can query the data in the table, but when truncate this table hold ORA-00942: The table or view does not exist The beginning thought is the table name writes has the question, but later discovered that he deletes is not the table, but is a synonym (synonym) It is not possible to use truncat for synonyms synonym. Connected to Oracle Database 11g Ente

oracle--sequence, index, synonym

index on the corresponding column after the PRIMARY KEY or UNIQUE constraint is defined Create manually : Users can create non-unique indexes on other columns to speed up the query To create an index on one or more columns CREATE INDEX Index on Table (column[, Column]...); To create an index on the column last_name of table employees CREATE INDEX on employees (last_name); Index created.②, query IndexYou can use the data dictionary view user_indexes and user_ind_columns to view the

Oracle _ sequence, index, synonym

volume. 4. When should I create an index?Do not create an index in the following cases:The table is small.The column is not often used as a join condition or appears in the WHERE clause.The queried data is greater than 2% to 4%Frequently updated tables Note: indexes are not required, but the query speed is faster when name is used. Of course, the query speed is faster, and the insertion speed will be slow. Because an index must be maintained when data is inserted. 5. query IndexesYou can use th

[Oracle]-[synonym]-public and non-public synonyms

[Oracle]-[synonym]-public and non-public synonyms [Symptom]: The Sys account creates a public synonym for the t_emp table of the bisal account. The bisal user can access t_emp_syn, but the scott account cannot query, select... t_emp_syn indicates that the table or view does not exist. SQL> select * from t_emp_syn; select * from t_emp_syn * ERROR at line 1: ORA-00942: table or view does not exist [cause]: Sc

Sqlserver: T-SQL data type = Corresponding = SQL-92 Synonym

Data Type Synonym Includes data type synonyms for compatibility with SQL-92. Synonym Ing to System Data Type Binary varying Varbinary Char varying Varchar Character Char Character Char (1) Character (N) Char (N) Character varying (N) Varchar (N) Dec Decimal Doubl

Oracle reported that DBLink synonym calling during Stored Procedure error: PLS-00201: must declare identifier, dblinkpls-00201

Oracle reported that DBLink synonym calling during Stored Procedure error: PLS-00201: must declare identifier, dblinkpls-00201 A stored procedure needs to be written a few days ago to access the field of the remote database, so a dbLink is created and a synonym is created: Create public database link orcl @ dbc connect to orcl identified by orcl USING 'orcl '; create

From N-gram Chinese text correction to Chinese grammar correction and synonym clustering

Pre-recordThis article simply explains how to use the N-gram model combined with Chinese pinyin to make error correction in Chinese, and then introduces the application of the shortest editing distance in Chinese search error correction; Finally, from the dependency tree, we explain how to make long distance error correction (grammar correction), and get a revelation from this method. Using the characteristics of the dependency tree and the ESA algorithm to do the

Third, lucene3.5 's sub-word method [discontinued Word extension, synonym search, etc.]

() {//Analyzer a1 = new Mmseganalyzer ();//not added to the word breaker comes with The Thesaurus//[me [to] [from] [The cloud] [South] [Zhao] [Tong]] [Yang] [district] [division] [Special]//import word-breaker dictionary there is the thesaurus Analyzer a1 = new Mmseganalyzer ("d:\\workspaces\\03 _lucene_analyzer\\mmseg4j-1.8.4\\data ")); [i] [from] [Yunnan] [Zhao]] [Zhao] [Yang] [district] [teachers ' College]//You can expand your own dictionary in the words-my.dic below the data file, such a

Oracle Learning (10): View, index, serial number, synonym

1. Knowledge Points: Can be read against the following record screen view, sequence, index, Synonym Sql>--view: Virtual table sql>--View advantages: Simplify complex queries, limit data access (more banks), provide independent data, the same data can be displayed differently sql>-first view: Employee number name annual salary sql> Create VIEW View1 2 as 3 select Empno,ename,sal,sal*12 annlsal from EMP; Sql>--If the display does not have permissions,

SharePoint 2010 Workflow Solution Creation custom Site Workflow Activity

Create a custom Web site workflow Activity First, create a project that contains and tests the custom workflow activity. Create a Site Workflow custom activity Item 1. Display the New Project dialog box by pointing to New on the File menu and clicking New Project. 2. Expand the SharePoint node under Visual C #, and then click 2010. 3. In the Templates pane,

Oracle: Other data Objects (sequence, index, synonym)

greater than 2% to 4%Table updated frequentlyIt is important to note that the creation of an index is also a certain amount of resources, 21 when using the index will speed up the query, the corresponding insertion speed is slow, because also to maintain the indexQuery Index: Use the data dictionary view user_indexs,user_ind_columns to view index informationSELECT Ic.index_name, Ic.column_name,Ic.column_position col_pos,ix.uniquenessFrom User_indexes IX, User_ind_columns ICWHERE Ic.index_name =

Oracle_ sequence, index, synonym

smallColumns are not often used as join conditions or are present in the WHERE clauseData queried is greater than 2% to 4%Tables are often updatedNote: The index does not need to be used, just to say that we are querying with name. Speed will be faster. Of course, the speed of the check is fast, the insertion speed will be slow.Because the same time you insert data, you need to maintain an index.5. Querying the IndexAbility to view index information using the data dictionary view user_indexes a

Oracle synonym Synonyms

Synonyms in Oracle:Summary: In simple words, the tables of different users in Oracle are generally only available to their own users, and if you do not want to authorize other users to use them in an authorized way, then create the table with the table name in front ofSynonyms, which represents synonyms. In this way, a user-created table B can be used directly instead of a to grant B access to the table.Transferred from: Http://zhidao.baidu.com/link?url=BiYEkVVBEGI9Br7Ltph1lr81f8TQEJgA_q-Omz_wlX

Lucene constructs synonym word breaker

lucene4.0 version number has been used since tokenstreamcomponents instead of the Tokenstream stream. It contains filter and Tokenizer.in the more complex Lucene search business scenario, it is not enough to download a word breaker directly on the web as a project. then how to assess a Chinese word breaker's good and bad: generally speaking. There are two points. Thesaurus and search efficiency, which is the algorithm. Lucene the inverted permutation table, different participle units have diff

lucene3.5 Implementing a custom synonym word breaker

I have been learning Lucene3.5 recently, and I feel that the knowledge inside is really great. Today we will share with you our own to implement a synonym for the word breaker. A word breaker consists of a number of tokenizer and tokenfilter, this article explains that we use these two features to implement their own a simple synonym word breaker, please point out the wrong place. First, design ideas What d

Oracle_ sequence, index, synonym

appear in a WHERE clauseData queried is greater than 2% to 4%Table updated frequentlyNote: The index does not need to be used, just that we are using the name to query the time, the speed will be faster. Of course, the speed of the check is fast, the insertion speed will be slow. Because you are inserting data, you need to maintain an index.5. Querying the IndexYou can use the data dictionary view user_indexes and user_ind_columns to view the information for the indexSELECT Ic.index_name, Ic.co

Workflow Programming Step-by-Step (5: State machine Workflow)

Introduction to the workflow of a state machine A state machine workflow consists of a set of states. A state is indicated as the initial state. Each state can receive a specific set of events. Depending on the event, you can switch to another state. The state machine workflow can have a final state. When transitioning to the final state, the

Windows Workflow: Build a custom activity to extend the scope of your workflow

This article is written based on a pre-release version of the. NET Framework 3.0. All information contained in this article is subject to change. This article discusses: Building basic activities and composite activities Asynchronous and event-based activities Custom design Experience Validation and error handling This article uses the following techniques: . NET Framework 3.0 Custom workflow activities are one of the most important aspects of

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