what collection in oracle with example

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

1. What is statistics: Optimization statistics are collected to describe the database and database objects in more detail. These statistics are used to select the optimal execution plan for SQL statements. The optimized statistics include: Table

When importing data from IMP in Oracle, hybriddb for MySQL prompts that the character set is inconsistent. The imp import and exp export functions of Oracle are often used in the production environment for data migration. The character set is

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

Reprinted: http://www.cnblogs.com/gkl0818/archive/2009/02/25/1397769.htmlOracle collectionsI. Types of Collections1. associative arrays ArrayIt is a one-dimensional, borderless sparse set of the same type and can only be used for PL/SQL.DeclareType

Data Type In Java virtual machines, data types can be grouped into two categories: the base type and the reference type . A variable of the base type holds the original value, that is, the value that he represents is the number itself, and the

Racle text translation is one of the key technologies of intelligent information Management, Oracle text as a component of Oracle9i provides a powerful Full-text search function, use oracle9i to do background database, can make full use of its

Oracle-based SQL Optimization MethodologyThe ultimate goal of SQL Optimization in Oracle databases is to shorten the execution time of target SQL statements. To achieve the above purpose, we usually have the following three methods to choose from:1.

Solutions to some problems that may occur during installation. It is worth adding to favorites and learning. For example, if a Chinese path is available during installation, the following error occurs: areasQueries Solutions to some problems that

[Oracle entry series] Chapter 2 _ Oracle entry-v512 workshop Editor: Xuan Yu Install Oracle Oracle service   Send me an email Uninstall Oracle Oracle terminology V512 Studio Basic oracle tools Oracle