pl sql array example

Chapter 2 procedural performance tuning of PL/SQL applications I. Reasons for PL/SQL Performance problems When the execution efficiency of PL/SQL-based applications is low, it is usually caused by poor SQL statements and programming methods,

A6l 06,200 4 Venkat -- thanks for the question regarding "passing an array from Java to PL/SQL", version 8.1.7 You asked Hi Tom, I need to pass String Array from Java to PL/SQL and also returnarray from PL/SQL. I refered your book and

Grammar:identifier [CONSTANT] datatype [not NULL] [: = | DEFAULT Expr]Identifier: Used to specify the name of a variable or constant.CONSTANT: Used to specify constants. When you define a constant, you must specify its initial value, and its value

Variable introduction when writing a PL/SQL program, you can define variables and constants, including: 1 in a PL/SQL program, scalar type (scalar) 2), composite type (composite)--for manipulating a single record 3), reference type (reference)--

  1) classification of Sets Oracle supports three types of collections: Associative array (Index-by table) Nested table) Variable-length array (VARRAY) One of their differences is that the Nested table and VARRY can be used either in PL/SQL or

First, Variable introductionWhen you write a PL/SQL program, you can define variables and constants, including the following in the PL/SQL program:1), scalar type (scalar)2), composite type (composite) --for manipulating individual records3),

Basic PL/SQL programming and plsql Programming1. Basic Structure of PL/SQL Blocks DECLARE /* * Definition section-defining constants, variables, complex data types, cursors, user-defined exceptions */ BEGIN /* * Execution part-PL/SQL statements and

1. The infrastructure of a PL/SQL blockDECLARE/** Definition section--Define constants, variables, complex data types, cursors, user-defined exceptions*/BEGIN/** Execute partial--PL/SQL statements and SQL statements*/EXCEPTION/** Exception Handling

1. Character SetThe character set of PL/SQL includes: All uppercase and lowercase letters: include a~z and a~z. Number: Includes 0~9. Whitespace characters: include tabs, spaces, and carriage returns Other common English symbols

PL/SQL provides three common set union arrays, nested tables, and variable-length arrays, PL/SQL provides corresponding functions or procedures for operation. Element or subscript in the vertical array. These functions or procedures are called set