Reports on Oracle's plan to release version 3.1 of its Discoverer decision-support query tool, which will enable users to access warehouses build with other vendors' relational databases. Features and capabilities;...
Oracle Database は、Oracle が開発したリレーショナル データベース管理システムです。 オンプレミスの Oracle Database に接続して、テーブルの行の作成、更新、取得、削除などのさまざまな操作を実行します。 このコネクタは、次の製品および地域で利用可能です。 テーブルを展開する Service...
The Oracle Database 10gPre-Upgrade Information Utility (utlu102i.sql) estimates the additional space required in theSYSTEMtablespace and in any tablespaces associated with the components that are in the database (for example, SYSAUX, DRSYS). For a manual upgrade, be sure to run this utility o...
OGG-00245: Not logged on, cannot execute statement Login credentials were not provided with the SOURCEDB or TARGETDB to execute the query or stored procedure. Action: Add the SOURCEDB or TARGETDB parameter to the parameter file, including the USERID portion if required for your database. See...
Enables developers to analyze NoSQL data natively, including cross-collection queries and parallel scalability, without having to move the data. Rich indexing into JSON documents Create an index on any JSON field at any depth in the document hierarchy, thus improving query performance. ...
Multiple databasesInclude queryInclude InsertInclude UpdateInclude Delete 中文文档Cross database queryInsert by jsonUpdate by jsonDelete by json Feature characteristic Feature1 : Join query Super simple query syntax varquery = db.Queryable<Order>() .LeftJoin<Custom> ((o, cus) => o.CustomId == ...
Use natural language to simplify how you get answers from your data.Select AIuses large language models (LLMs), so you can query your data without understanding the underlying data structure or SQL syntax. Easily build natural language query capabilities into your own SQL-based apps using new ...
Shardcat是非常重要的一个模块,上面不仅仅有分片的元数据信息,还有duplicated table的master table信息,另外,当进行cross shard query的时候,他还起着coordinator database的作用。所以建议对这个部分搭建RAC+adg架构,避免shardcat的单点故障。 shard node,单个shard node的失效,将导致整个表的不可用。所以我们也要对sha...
MV_QUERY_GEN_MISMATCH 生成物化视图查询。 USER_BIND_PEEK_MISMATCH 用户的 BIND PEEK 不匹配。 TYPCHK_DEP_MISMATCH 游标有类型检查的依赖性。 NO_TRIGGER_MISMATCH 触发器不一致。 FLASHBACK_CURSOR 对于闪回没有游标共享。 ANYDATA_TRANSFORMATION 数据转换有变化。 INCOMPLETE_CURSOR 不完整的游标。当绑定长度可以...
Select Created, Log_Mode, Log_Mode From V$Database; 10、捕捉运行很久的SQL column username format a12 column opname format a16 column progress format a8 select username,sid,opname, round(sofar*100 / totalwork,0) || '%' as progress,