oracle column size

With Oracle 12c introducing the in memory component, the Oracle database has dual-mode data storage that enables support for mixed-type applications: traditional, row-saving data meets OLTP applications, and data stored in columns satisfies OLAP

Oracle9i was released on Oracle Open World in October 2000, introducing many new features for Oracle databases, application servers, and development tools. Oracle9i is the industry's first complete and simple software infrastructure for a new

The racle database system is a complex software system. Without understanding its internal structure principles and relationships, it is impossible to design and Compile High-Quality application software systems or manage a complex application

Over the past decade, Oracle has become one of the most professional databases in the world. For IT professionals, it is important to ensure that Oracle's powerful features are used to improve the productivity of their companies. One of the most

The new Listagg function in the Oracle 11g Release 2 release, Listagg is an Oracle built-in function that implements string aggregation;Listagg (column, ' delimiter ') within group (Order by column)-(Partition by column)The delimiter can be

When the database needs to recover the media, in order to ensure that the database can smoothly perform the recovery process, restore the database to the current state. All we need to do is verify! What is verification? Of course, it is to verify

In the past decade,OracleIt has become one of the most professional databases in the world. For IT experts, IT is to ensure that their company's productivity is improved by leveraging the powerful features of Oracle. One of the most effective

In the past decade, Oracle has become one of the world's most professional databases. For IT experts, it is to ensure that their company's productivity is improved by leveraging the powerful features of oracle. One of the most effective methods is

This is an online database http://www.dbonline.cn.       Oracle expert tuning secret   Preface　　 In the past decade, Oracle has become one of the world's most professional databases. For IT experts, it is to ensure that their company's productivity

Oracle optimization (entry and improvement) In the past decade, Oracle has become one of the world's most professional databases. For IT experts, IT is to ensure that their company's productivity is improved by leveraging the powerful features of