MySQL While Statement

Programming in MySQL – Part 8

MySQL Course

Foreword: In this part of the series, I talk about MySQL while statement.

By: Chrysanthus Date Published: 27 May 2015

Introduction

This is part 9 of my series, Programming in MySQL. In this part of the series, I talk about MySQL temporary table. You should have read the previous parts of the series before reaching here, as this is a continuation.

Temporary Table and Connection
A temporary table in MySQL is a table that exists as long as the connection is on. When a connection is dropped, the temporary table ceases to exist. The user who is connected is the one to use the temporary table.

In simple terms the syntax is:

CREATE TEMPORARY TABLE tbl_name
    (create_definition,...);

You can try the following:

CREATE TEMPORARY TABLE Women
(
    WomanID INTEGER NOT NULL AUTO_INCREMENT,
    Name CHAR(40),
    Address CHAR(40),
    City CHAR(40),
    State CHAR(40),
    Country CHAR(40),
    Phone CHAR(40),

    PRIMARY KEY (WomanID ASC)
);

You can now go on to insert values into the temporary table. You can try the following:

INSERT INTO Women (Name, Address, City, State, Country, Phone) VALUES ('Mary', '50 Up Street', 'Fine York', 'California', 'U.S.A', '5555555555');

You can go on to select what you have inserted into the temporary table. You can try,

SELECT * FROM Women;

The temporary table lasts as long as the connection lasts.

Well, let us end here for this tutorial. We continue in the next part of the series.

Chrys

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