pl sql array of records

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,

This week's book is the Ultimate guide to Oracle's C PL (SQL) programming, published by the mechanical industry press, Sun Fingdong, Wang Yu, Guo Xiaohui. Content Introduction: The ultimate guide to Oracle 12c PL/SQL is the most

Constant 1. Define the syntax format of constantsConstant name constant type identifier [not null]: = value;Constants, including variable names that follow them, must start with a letter, cannot contain spaces, cannot exceed 30 characters, and

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)--

1.1 PL/SQL Introduction PL/SQL is a procedural language of ORACLE, including a complete set of data types, condition structures, cyclic structures, and Exception Handling structures. PL/SQL can execute SQL statements, PL/SQL functions can also be

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

SQL server has been used before oracle is used. What impressed me most during the use of SQL server was its strong select statement and record concentration. The results of a select statement can be used as both a record set and a set. While the

Scalar data types are essential. Needless to say, you must master them. The following describes PL/SQL Composite data types.   Composite TypeThe composite type can store multiple values, including records and sets. A set is one-dimensional, but can

Pl_sql: With branching and looping, process orientedAnonymous BLOCK:Declare (optional, where various variables and cursors are declared)Begin (necessary, start from here)Exception (executed after crawling to an exception)End[SQL] View plaincopySet

When you want to search for the value of a particular element rather than the entire array, the Pl/sql associative array is useful for arrays of name-value pairs of types. Applying 11g Documents "It's like a simple version of a SQL table, you can