HP c-tree-SQL ISQL and Tools Manual do Utilizador descarregar pdf (Página 9)

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Chapter 1

Introduction

1.1 OVERVIEW

Interactive SQL (often referred to throughout this manual as ISQL) is a utility supplied with c-

treeSQL that lets you issue SQL statements directly from a terminal and see results displayed

at the terminal. You can use interactive SQL to:

• Learn how SQL statements work

• Test and prototype SQL statements to be embedded in programs

• Modify an existing database with data definition statements

• Perform ad-hoc queries and generate formatted reports with special ISQL formatting state-

ments

With few exceptions, you can issue any SQL statement in interactive SQL that can be embed-

ded in a program, including CREATE, SELECT, and GRANT statements. Interactive SQL

includes an online help facility with syntax and descriptions of the supported statements.

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HP c-tree-SQL ISQL and Tools Manual do Utilizador Página 9