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Oracle synonym 同义词创建与删除

Oracle synonym 同义词　　1、Oracle synonym 同义词是数据库当前用户通过给另外一个用户的对象创建一个别名，然后可以通过对别名进行查询和操作，等价于直接操作该数据库对象。　　...3、Oracle synonym 同义词按照访问权限分为私有同义词、公有同义词。　　4、私有同义词：私有同义词只能当前用户可以访问，前提：当前用户具有create synonym 权限。　　...语法结构：　　CREATE [OR REPLACE] [PUBLIC] SYSNONYM [当前用户.]synonym_nameFOR [其他用户.]object_name; 解析：　　1、create...代码如下：　　　　create synonym stuinfo_copy for school.stuinfo; 　　创建同义词之后，即可使用select *from stuinfo_copy 进行查询...语法结构：　　DROP [PUBLIC] SYNONYM [用户.]sysnonym_name;

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SQL基础--> 序列(SEQUENCE)、同义词(SYNONYM)

CREATE PUBLIC SYNONYM 2.创建同义词 CREATE [PUBLIC] SYNONYM synonym_name FOR object; 3.查看同义词 DBA_OBJECTS...PUBLIC SYNONYM DEPARTMENT FOR scott.dept; Synonym created....; Synonym created....SQL> GRANT DROP ANY SYNONYM ,DROP PUBLIC SYNONYM TO scott; Grant succeeded....SQL> DROP PUBLIC SYNONYM DEPARTMENT; Synonym dropped.

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【colab pytorch】FutureWarning: Passing (type, 1) or 1type as a synonym of type is deprecated; in a

pip install tensorflow==2.0.0-alpha0 再运行时就会报： FutureWarning: Passing (type, 1) or '1type' as a synonym

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使用datapump 导出导入同义词(export and import synonym using datapump)

/SYNONYM:\"IN $SELECT synonym_name FROM dba_synonyms WHERE table_owner=\'GOEX_ADMIN\'$\" Export: Release.../SYNONYM:"IN (SELECT synonym_name FROM dba_synonyms WHERE table_owner='GOEX_ADMIN')" Estimate in progress.../SYNONYM Master table "GOEX_ADMIN"."...Processing object type DATABASE_EXPORT/SCHEMA/PUBLIC_SYNONYM/SYNONYM ORA-31684: Object type SYNONYM:...GO_GA_SYS_DATAPUMP_PARA_TBL" already exists ORA-31684: Object type SYNONYM:"PUBLIC"."

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Elasticsearch 自定义分词同义词环节的这个细节不大好理解......

扩展背景描述：这是 Elasticsearch 自定义分词 Text analysis 章节 Token filter reference 小节的同义词 token 过滤（Synonym token...] } }, "filter": { "synonym": { "type": "synonym",...自定义分词器的名字：synonym。 tokenizer 使用：whitespace 空白分词器。 filter 也就是 token filter 使用：synonym 同义词实现。...3.2 token filter 细节参数解读参数 1 —— "type": "synonym" 含义：同义词类型。...] } }, "filter": { "synonym": { "type": "synonym",

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【2019年8月版本】OCP 071认证考试最新版本的考试原题-第10题

A) A synonym can have a synonym. B) All private synonym names must be unique in the database....C) Any user can create a PUBLIC synonym. D) A synonym can be created on an object in a package....E) A synonym has an object number. (解析：实验证明可以为同义词创建同义词; 同义词也是 Oracle 的一个对象; synonym 需要授权才能够创建; )

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同名的同义词和视图解惑

SQL> create public synonym v$bisal for v_$bisal; Synonym created....SQL> create public synonym v$bisal for v_$bisal; Synonym created....再测试几个例子，不能创建两个同名的公共同义词， SQL> create public synonym a for dba_tables; Synonym created....SQL> create synonym a for user_tables; create synonym a for user_tables * ERROR at line...SQL> create synonym a for dba_tables; Synonym created.

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同义词的几个关键点

同义词只用于搜索,使用synonym_graph,尽量少用于索引时间。更新同义词的流程为关闭，更新，打开索引。...] } }, "filter": { "my_synonyms_filter": { "type": "synonym...PUT /my_single_synonym_index { "settings": { "analysis": { "filter": { "synonym_filter...": { "type": "synonym", "synonyms": [ "tablet => ipad" ]...refresh=true { "description": "This is a tablet." } POST /my_single_synonym_index/_doc/2?

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【DB笔试面试514】在Oracle中，同义词的定义及其作用是什么？有关同义词需要注意些什么？

创建同义词必须要有 CREATE ANY SYNONYM、CREATE SYNONYM 系统权限。要创建全局的同义词，必须有CREATE PUBLIC SYNONYN 系统权限。...EMP FOR SCOTT.EMP; Synonym created....create a synonym with same name as object LHR@ora11g > create public synonym s_b for s_b; Synonym created...LHR@ora11g > create public synonym s_a for s_b; Synonym created....object LHR@ora11g > create public synonym s_b for s_b; Synonym created.

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同名的同义词和视图解惑

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总结一些ES不常用的filter

示例如下： PUT /synonym_example { "settings": { "analysis" : { "analyzer"..."my_synonym" : { "type" : "synonym", "synonyms_path"...: "analysis/synonym.txt" } } } } } 我们需要在ES实例的config...目录下，新建一个analysis/synonym.txt的文件，内容如下：番茄,西红柿,圣女果记得要重启。...然后测试下， GET /synonym_example/_analyze { "analyzer": "synonym", "text": "番茄" } 输出， { "tokens" :

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ES 字符过滤器&令牌过滤器

"analyzer": { "custom_analyzer":{ "tokenizer":"ik_max_word", "filter":["synonym..."] } }, "filter": { "synonym":{ "type": "synonym", "synonyms_path..." : [ { "token" : "嘻嘻", "start_offset" : 0, "end_offset" : 3, "type" : "SYNONYM...}, { "token" : "嘻嘻", "start_offset" : 4, "end_offset" : 6, "type" : "SYNONYM...}, { "token" : "嘎嘎", "start_offset" : 4, "end_offset" : 6, "type" : "SYNONYM

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Oracle中的PUBLIC(r10笔记第14天)

首先我们创建一个public的synonym，我们看看这个public的含义。...SQL> create public synonym test for n1.test; Synonym created....----------------- -------------------------------------- TEST PUBLIC SYNONYM...='PUBLIC'; no rows selected 大体而言，public两种表现形式一种是创建public的对象，都是在PUBLIC的这个owner下 create public synonym...SQL> select * from dba_synonyms where synonym_name='TEST'； OWNER SYNONYM_NAME

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使用shell脚本生成只读权限的sql脚本（r2第28天)

object_name||' to '||' ${conn_schema};'; spool off; spool conn_${conn_schema}_syn.sql select 'create synonym...VIEW','SEQUENCE','PROCEDURE','FUNCTION','PACKAGE') and owner=upper('$source_schema') group by 'create synonym...grant execute on cnvdbo8.ffff to cnvdbc8; create synonym...cnvdbo8.aaaa; create synonym...bbbb; create synonym

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自动微分和梯度带

site-packages/tensorflow/python/framework/dtypes.py:516: FutureWarning: Passing (type, 1) or '1type' as a synonym...site-packages/tensorflow/python/framework/dtypes.py:517: FutureWarning: Passing (type, 1) or '1type' as a synonym.../tensorboard/compat/tensorflow_stub/dtypes.py:541: FutureWarning: Passing (type, 1) or '1type' as a synonym.../tensorboard/compat/tensorflow_stub/dtypes.py:542: FutureWarning: Passing (type, 1) or '1type' as a synonym.../tensorboard/compat/tensorflow_stub/dtypes.py:543: FutureWarning: Passing (type, 1) or '1type' as a synonym

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Elasticsearch7学习笔记之_doc类型被取消

"mappings": [ ", => " ] } }, "filter": { "my_synonym_filter...": { "type": "synonym", "expand": true, "synonyms": [ "lileilei..."char_filter": [ "my_char_filter" ], "filter": [ "my_synonym_filter..."mappings": [ ", => " ] } }, "filter": { "my_synonym_filter...": { "type": "synonym", "expand": true, "synonyms": [ "lileilei

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MyBatis批量新增和更新

VARCHAR" /> synonym..." property="synonym" jdbcType="VARCHAR" /> insert into words (word_no, value, filed_class, pinyin, synonym...(#{ item.wordNo},#{ item.value},#{ item.filedClass},#{ item.pinyin}, #{ item.synonym...= null" > synonym = #{item.synonym,jdbcType=VARCHAR}, <if test=

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曲折的10g,11g中EM的安装配置过程(r4笔记第98天)

10g中的EM相对比较简单，如果新建由于种种原因失败，重新创建的时候，很可能sysman用户没有删除，还存在一些role和public synonym....最后通过select *from dba_synonyms where synonym_name like 'MGM%' 来查看关联的MGM相关的public synonym,发现竟然有差不多300多个...public synonym，这些public synonym是无法通过drop user sysman cascade来删除的，只能指定删除。...select 'DROP '||OWNER||' SYNONYM '||SYNONYM_NAME||';' from dba_synonyms where TABLE_owner='SYSMAN';...发现是将近20个这样的public synonym 再次清理，就顺顺利利完成了EM的安装。

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hhdb数据库介绍(9-19)

synonym FOR [ database2.] object [ @ dblink ] ; 语法说明 CREATE SYNONYM：表示创建新的同义词； OR REPLACE：选填；若同义词已存在...修改同义词修改同义词语法 ALTER [ PUBLIC ] SYNONYM [ database. ] synonym COMPILE; 语法说明： Oracle中当同义词对应的对象发生变化（如修改了表结构...删除同义词删除同义词语法 DROP [PUBLIC] SYNONYM [ database. ] synonym [FORCE] ; 语法说明： database.：指定同义词所在的逻辑库。...语法示例： DROP SYNONYM emp; -- 删除当前逻辑库下的同义词emp mysql> drop synonym emp; Query OK, 0 rows affected (0.02...查看同义词查看同义词语法: 可使用以下语句查看已创建的同义词信息： SHOW SYNONYMS; 语法示例: synonym_owner：指同义词所属的逻辑库 synonym_name：指创建的同义词名

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Rasa 基于知识库的问答音乐百科机器人

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Oracle synonym 同义词创建与删除

SQL基础--> 序列(SEQUENCE)、同义词(SYNONYM)

【colab pytorch】FutureWarning: Passing (type, 1) or 1type as a synonym of type is deprecated; in a

使用datapump 导出导入同义词(export and import synonym using datapump)

Elasticsearch 自定义分词同义词环节的这个细节不大好理解......

【2019年8月版本】OCP 071认证考试最新版本的考试原题-第10题

同名的同义词和视图解惑

同义词的几个关键点

【DB笔试面试514】在Oracle中，同义词的定义及其作用是什么？有关同义词需要注意些什么？

同名的同义词和视图解惑

总结一些ES不常用的filter

ES 字符过滤器&令牌过滤器

Oracle中的PUBLIC(r10笔记第14天)

使用shell脚本生成只读权限的sql脚本（r2第28天)

自动微分和梯度带

Elasticsearch7学习笔记之_doc类型被取消

MyBatis批量新增和更新

曲折的10g,11g中EM的安装配置过程(r4笔记第98天)

hhdb数据库介绍(9-19)

Rasa 基于知识库的问答音乐百科机器人

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