pl sql basics

SQL Server Dynamic Cursor Declare @ SQL varchar (2000 ), @ Typefield varchar (100 ), @ Tablename varchar (255 ), @ Name varchar (100) Select @ typefield = 'name', @ tablename = 'sysobjects' Set @ SQL = 'Clare cutemp cursor' + 'Select distinct '+ @ typefield + 'from' + @ tablename Exec (@ SQL) Open cutemp Fetch cutemp i

Basic PL/SQL settings 1. How to export table creation statements in batches? Select [Tools]-> [Export User Objects...] from the menu, and select the table to be exported in the window that appears. The SQL script exported in this way does not contain insert statements, that is, the data in the table is not exported at the same time, only DDL statements. 2. How to

Tags: get desc recognition note Mes According to the installation of Oracle cannot be the way1. Log in to PL/SQL DeveloperThis omits the installation steps for the Oracle database and PL/SQL Developer, and note that when you install the PL/

1. Log in to PL/SQL DeveloperThis omits the installation steps for the Oracle database and PL/SQL Developer, and note that when you install the PL/SQL Developer software, do not install it under the program Files (x86) directory o

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 provide new features.Supp

Tags: ber 11g formatted first character BMS type multi-line loop control other----------------------------the composition of PL/SQL------------------------------------------------------------The PL/SQL block consists of 3 parts: Declaration part, execution part, exception handling part[DECLARE]--declaration section: th

PL/SQL Exception Handling Method 1: What is Exception Handling? PL/SQL provides a function to handle exceptions, which is called Exception Handling in PL/SQL blocks, with exception handling, we can test the code and avoid abnormal

Introduction to PL/SQL Program Design ① PL/SQL program design overview PL/SQL is an advanced database programming language used to access Oracle databases in various environments. Since the language is integrated into the database

The ORACLE tutorial is: Oracle uses PL/SQL to operate COM objects. PL/SQL is a specialized language for programming in Oracle databases. It is a third-generation procedural programming language. Starting from Oracle8, the external C language calling process is provided directly from

1. Log in to PL/SQL DeveloperThis omits the installation steps for the Oracle database and PL/SQL Developer, and note that when you install the PL/SQL Developer software, do not install it under the program Files (x86) directory o

1. Log in to PL/SQL DeveloperThis omits the installation steps for the Oracle database and PL/SQL Developer, and note that when you install the PL/SQL Developer software, do not install it under the program Files (x86) directory o

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

1. PL/SQL developer remember the login password. When PL/SQL developer is used, PL/SQL developer wants to remember the login username and password for Oracle for ease of work. Setting method: