My sql essentials


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My sql essentials

  1. 1. MySQL Tutorial
  2. 2. Installing MySQL  Download MySQL 4.0.17 at:  Unzip “” and execute “setup.exe”  Choose a directory, select typical install options.
  3. 3.  Once installation is complete, go to your autoexec.bat file and put: SET MYSQL_HOME=C:mysql SET PATH =%MYSQL_HOME%bin;%PATH% -where “C:mysql” is the location where you installed mysql.  Once mysql is installed, and your variables are setup, you need to install the mysql server “service”. To do this type: C:mysqlbin> mysqld --install //installs the service C:mysqlbin> NET START MYSQL //start the mysql server
  4. 4. Connecting to the MySQL Server • SYNTAX: mysql -h host -u user -p << EXAMPLE >> C:mysqlbin> mysql –h localhost –u root –p NOTE: THE DEFAULT PASSWORD FOR ROOT IS BLANK !!!
  5. 5. Changing “ROOT” password  GET USER FIRST: C:mysqlbin> mysql -u root mysql  CHANGE PASSWORD SYNTAX: mysql> UPDATE user SET Password=PASSWORD('new_password') WHERE user='root'; mysql> FLUSH PRIVILEGES; DON NOT FORGET THE “ ; “ semi-colon
  6. 6. Interfacing with MySQL Server • The command-line is too cumbersome, we need a GUI!! • Enter the MySQL Control Center • Download at: • Unzip and install:
  7. 7. • Open Control Center and Register your MySQL Server • NAME: Any name you want • HOST: DNS NAME OR IP-ADDRESS of MySQL SERVER • USERNAME: Usually root • PASSWORD: Leave blank, UNLESS you changed it.
  8. 8. Hack the GUI on your own time!
  9. 9. Interfacing with Java: Important Points • Use ConnectorJ “JDBC Driver” • Include mysql-connector-java-3.0.10-stable-bin.jar in your java project • Import com.mysql.jdbc.Driver; • Get to know the java.sql.* Package! Understand “DriverManager” and its relationship with a “Connection”. OTHER CLASSES OF USE: ResultSet - The format Data is retrieved from a Database. Statement - Used to query a Database for a ResultSet. CallStatement - Execute a StoredProcedure in the database to obtain a ResultSet.
  10. 10. Interfacing with Java: Example Code