How to access java language and how to quickly build mysql

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Environment:

? Operating system: RedHat linux 7.1

Mysql Server: 3.23.36 (included with linux 7.1)

? mysql jdbc: 2.0.14

? java JDK: j2sdk-1.4.0_02

Get the jdbc of mysql:

Mysql-connector-java-2.0.14.tar.gz

? Download address:

? 1. HKLPG/Hong Kong

? 2.ihostunit.com/Hong Kong

? 3. Shellhung.org/Hong Kong

Get j2sdk:

J2sdk-1.4.0_02 of java.sun.com

Install mysql jdbc:

Shell > tar-zxpf mysql-connector-java-2.0.14.tar.gz

? Installing j2sdk is not covered here.

Set up the CLASSPATH:

Shell > CLASSPATH=$CLASSPATH:/ your mysql-jdbc driver directory

? / mysql-connector-java-2.0.14-bin.jar

Shell > export CLASSPATH

Establish a connection in java:

Class.forName (com.mysql.jdbc.Driver) .newInstance ()

Connection conn=DriverManager.getConnection

? ("jdbc:mysql://localhost/test?user=root&password=")

Test:

? Premise: your CLASSPATH must be correct and javac and java will work properly.

Shell > cd / directory of your mysql-jdbc driver / testsuite

Shell > java DateTest

? If the screen prompts:

About to insert date 1017684000000

Inserted row 1

Selected date from row 1: 1017684000808

1974-01-01

1974-01-01

? That is, everything is fine.

Exception:

? The screen prompt "Server configuration denies access to data source" when running DateTest

Solution:

? First enter mysql and log in as root, then enter the following.

Mysql > GRANT ALL PRIVILEGES ON [dbname]. * to'[user] @'[hostname]'

? Identified by'[password]'

? (note: here replace dbname with your database name, in DateTest, test; will replace user with your user name, the author's is root; will replace hostname with the machine where the java program is running, the author is running on this machine, that is, 'localhost'; replace password with your mysql user's password, the author does not have a password, that is'. )

Mysql > FLUSH PRIVILEGES

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