regexp_substr(dbms_xmlgen.getxml(‘select * from “‘||table_name||’”‘),’<[^>]*>&string</[^<]*>’) column_name from user_tables) where length(column_name)!=0; Enter value for string: email I am getting this
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Java can help reduce costs, drive innovation, & improve application services; the #1 programming language for IoT, enterprise architecture, and cloud computing.
由于是深夜拍摄,所以周围并没有过多的fans注意到,给了剧组一个很清净的拍摄环境,站在街头的袁泉低着头,在寒冷的夜里看上去还真有些像女鬼,令人毛骨悚然。','E:\textsearch\dream.txt'); commit; --步骤四:在book_abstract字段建立索引使用刚刚设置的ORATEXT_LEXER :chinese_vgram_lexer作为分析器。
Oracle 12c系列(十) | 12c中的Recovering Tables and Table Partitions 其他 在Oracle12c之前的版本中,rman进行数据恢复时只能进行database/tablespace/datafile/block四种级别的恢复,如果误操作删除某张表或表中数据,无法通过闪回进行数据还原时,且有完整备份以及归档,该种情况下可以进行表空间时间点恢复,但恢复方式较麻...
As part of our commitment to enhance the security of your support account, Oracle has enabled Two-Factor authentication. Learn More Unified Sign in Experience for Cloud Users We redesigned the sign in page as part of introducing My Oracle Cloud Support, the new support portal for Cloud Infrastru...
user_tables视图 主要描述当前用户拥有的所有表的信息,主要包括表名、表空间名、簇名等。通过此视图可以清楚了解当前用户可以操作的表有哪些。执行命令为:select * from user_tables user_objects视图 主要描述当前用户拥有的所有对象的信息,对象包括表、视图、存储过程、触发器、包、索引、序列等。该视图比user_tables...
Oracle Exadata integriert einzigartige, datenbankbasierte Optimierungen, die zur Beschleunigung von OLTP, Analysen, AI Vector Search und konsolidierten Datenbank-Workloads beitragen. Dank der Scale-Out-Architektur können Unternehmen Datenbank- und Speicherserver unabhängig voneinander skalieren, um die...
In a relational database, all data is stored in two-dimensional tables that are composed of rows and columns. Oracle Database enables you to store data, update it, and efficiently retrieve it, with a high degree of performance, reliability, and scalability. Oracle Database is composed of ...