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
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
*sql optimization based on ORACLE11GR2 reading notes * Third, cursor in OracleThe cursor in Oracle is a vector of SQL parsing and execution in an Oracle database and is a data structure for C (Oracle is written in C).There are two types of cursor in
Oracle----PL/SQLPL/SQL is a programming language that combines process language (procedural Language) with Structured Query Language (SQL)PL/SQL is unique to Oracle, and is an extension to the. Different database vendors have similar "dialects" that
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
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)--
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),
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
Constant
1. Define the syntax format for constants
Constant name constant type identifier [not null]:= value;
constants, including the following variable names must begin with a letter, cannot have spaces, cannot exceed 30 characters in length, and
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