oracle field types

Find an online comparison of Oracle and DB2 data types, and write them down. Oracle db2/400 Oracle data types Precautions DB2 UDB Data type Precautions DATE DATETimeTIMESTAMP L

Sometimes, because of project development, some tables in the SQLServer2005 must be synchronized to the Oracle database, which can be read by other systems. Data synchronization between different database types can be implemented using linked

Ing between MySQL and Oracle Data Types (table form), mysqloracle MySQL and Oracle databases are usually used at work. Because of some differences in data types between MySQL and Oracle, the following describes the relationship between the data

Oracle basic concepts and comparison with informix I. ConceptsUser: informix directly uses the user management system of the operating system. Generally, root and informix are used as super operators to manage other users. Oracle has its own user

In Oracle, fields of the lob (large object, large object) type are increasingly used. This type of field has a large capacity (up to 4 GB of data), and a table can have multiple fields of this type, which is flexible, applicable to business areas

In Oracle, fields of the lob (large object, large object) type are increasingly used. This type of field has a large capacity (up to 4 GB of data), and a table can have multiple fields of this type, which is flexible, applicable to business areas

Oracle displays the user's table names, Table Comments, field names, field comments, whether it is empty, field type, and oracle fields. -- Oracle: view all the table names, Table Comments, field names, field comments of the user, whether the table

Created: Article attributes: original Article submission: T_Torchidy (jnchaha_at_163.com) Oracle web Environment Injection Technology## BY Jianxin# Http://www.loveshell.net/# Preface I am not a professional database administrator, nor a researcher

Http://www.cnblogs.com/LDaqiang/articles/1157998.html due to changes in demand, the field type number (8,2) is now changed to char.The general idea is as follows:Rename the field name of the type to back up, and then add a field with the same name

--oracle See all of the user's table names, table comments, field names, field comments, empty, field type SELECT DISTINCT table_column.*, table_nallable. Data_type, table_nallable. NULLABLE from (SELECT DISTINCT