unusable objects

Invalid PLSQL objects and unavailable indexes may affect performance. Invalid PLSQL objects must be recompiled before they can be used. This requires an attempt to access PLSQ Invalid PL/SQL objects and unavailable indexes may affect performance.

I. Introduction As we all know, C ++ and Java are two mainstream object-oriented languages today. Each person has their own opinions on the advantages and disadvantages of these two languages, the consensus is that C ++ is a compilation-type

Distinction between Java and C ++ in terms of basic concepts of surface image objectsI. Introduction As we all know, C ++ and Java are two mainstream object-oriented languages today. Each person has their own opinions on the advantages and

Move data objects between tablespaces I. BASIC script Moving objects between tablespaces in the Oracle database involves multiple types of data objects.Move Table: Alter TableT_aMoveTablespace tbs_a; Mobile index: Alter IndexI _a rebuild

A table generally refers to a relational table, and it can also generate object tables and temporary tables. Total, the object table is generated from a user-defined data type, and temporary tables are used to store temporary data that is dedicated

Restrictions on the length of an oracle table name, field name, and other objects Original Works are from the blog of "Deep Blue blog". You are welcome to repost them. Please indicate the source when you repost them. Otherwise, the copyright will be

Original works, from the "Blue Blog" blog, Welcome to reprint, please be sure to indicate the source, otherwise hold the copyright legal responsibility.Deep Blue Blog:http://blog.csdn.net/huangyanlong/article/details/45854385Today, when the upgrade

Object What is an object 　　　　All things in JavaScript are objects: strings, numbers, arrays, functions ... In addition, JavaScript allows custom objects to be customized.In a word, everything is an object in JavaScript. How to

--Create synonymsCreate public synonym employees for hr.employees; --Common synonymsCreate public synonym permissions RequiredAll users of the table are granted public permissionsGrant Select on employees to public;Create synonym t1_s for T1;

1.1 Partitioned Tables Partition tableIn Oracle, if you encounter a particularly large table, you can use partitioned tables to change the performance of their applications.1.1.1 Partition Table Establishment:A company generates huge sales records