MySQL Database with phpMyAdmin

Database application
Chapter 2: MySQL Database and PhpMyAdmin
Faculty of Physical and Basic Education
Computer Science
By: Msc. Karwan M. Kareem
2014 - 2015
© University of Sulaimani, Faculty of Physical & Basic Education, Department of Computer Science 2014 / 2015
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Topics
Familiarizing yourself with phpMyAdmin.
Creating tables in a MySQL database with phpMyAdmin.
Deleting tables in a MySQL database with phpMyAdmin.
Inserting fields into a MySQL database table using phpMyAdmin.
Modifying fields in a MySQL database table using phpMyAdmin.
Deleting fields in a MySQL database table using phpMyAdmin.
Exporting MySQL databases and tables using phpMyAdmin.
Importing MySQL databases and tables using phpMyAdmin.
Running SQL queries on a MySQL database using phpMyAdmin.
Searching through a MySQL database using phpMyAdmin.
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Part 1:
familiarizing yourself with
phpMyAdmin
2014 - 2015
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Familiarizing yourself with phpMyAdmin
This lecture assumes that you have already logged in to phpMyAdmin.
Now let’s familiarize ourselves with MySQL database and phpMyAdmin.
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From this phpMyAdmin screen, we have access directly to database
demo123_members listed her.
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This particular database has two tables called details and information,
and they are listed her.
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This particular database has two tables called details and information,
and they are listed her.
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To show all tables click the database name.
From here we can see more information about the tables contained in
the database as well as perform several actions.
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Browse: we can Browse a table to see the individual records
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Structure: we can see the Structure of a table and perform certain
actions.
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Search: we can Search through a table for specific keywords
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Insert: we can insert new rows (or field) into a table.
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Empty: we can Delete the contents of a table.
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Drop: we can Delete (or drop) an entire table altogether.
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We can alternatively click on this link to view the database Structure
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SQL Query Window: we can open a SQL Query window for entering
direct queries to the database.
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We can click on this link to perform Search.
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This also opens a SQL Query window, but provides an easier step-by-step
way to make queries.
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Export: we can Export databases to our local computer.
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Import: we can import previously exported databases from local
computer into MySQL server..
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Operations: we can do a number of other operations like creating new
tables copying or renaming databases from here.
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Now let’s look at the structure of the details table.
The structure of the details table lists all the table’s fields, along with the
type of fields etc…
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Indexes: here it tell us that the id field is the primary key field.
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Documentation: if you want further help with SQL you can click
documentation icon...
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Clicking here is another way of opening the SQL query window.
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Logout: clicking here logs you out phpMyAdmin.
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 Let’s return to the main screen by clicking on home icon.
 you should now be more familiar with phpMyAdmin, and what you can
use it to do.
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Part 2:
Creating tables in a MySQL database
with phpMyAdmin
2014 - 2015
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Creating tables in a MySQL database with phpMyAdmin
Now let’s learn how to create a table within a database.
 Select the demo1234_members database here.
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Enter a Name for our new table.
 Then enter the number of fields this new table is to have.
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After entering the number of fields, click go.
Now enter the details of each fields within the new table.
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The first field will be called id and it will be an integer that’s 4 characters
in length.
We also want this first field to be the primary key that will be
automatically filled in (auto_increment) when new entries are added to
the table.
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Selecting this option makes the id field the primary key in the table.
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The remaining fields will be CHAR (character) fields. Be sure the length is
set long enough to accommodate the fields.
When finished click Save.
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That’s it!! Our new table (details) has been successfully created within
our database (demo1234_members) as indicated here.
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This is the end of the part 2. You now know how to create new tables
within a database using phpMyAdmin.
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Part 3:
Deleting tables in a MySQL database
with phpMyAdmin
2014 - 2015
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Deleting tables in MySQL database with phpMyAdmin
Now let’s learn how to delete a table from a database.
Select the table you wish to delete here.
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However in this part we’re going to demonstrate how delete the entire
table and everything in it. You can delete individual fields from this table
by selecting them here.
 then clicking the delete icon here.
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To delete the table click the Drop button here.
 Then click OK to confirm.
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This addresses table has been deleted (or dropped) from the database.
 second screen shows that the addresses table is no longer listed in our
databases list of tables.
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Part 4:
Inserting fields into a MySQL database table
using phpMyAdmin
2014 - 2015
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Inserting fields into a MySQL database table using phpMyAdmin
Now let’s learn how to insert fields into database tables.
 Select the details table here.
In this case, let’s choose to add an address field AFTER the name field.
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 Choose the field (name) and click on the GO.
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 Fill all textboxes and click on finish when finished.
That’s it!! Our details table now has a new address field.
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Part 5:
Modifying fields in a MySQL database table
using phpMyAdmin
2014 - 2015
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Modifying fields in a MySQL database table using phpMyAdmin
 Now let’s learn how to modify fields in database table.
Select the table (details) here, and let’s modify the address field.
Click the change icon.
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 Make the changes you want then click Save.
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 That’s it!! We’ve successfully changed the name of the address field to
city.
You now know how to modify fields in a table using phpMyAdmin.
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Part 6:
Deleting fields in a MySQL database table
using phpMyAdmin
2014 - 2015
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Deleting fields in a MySQL database table using phpMyAdmin
 now let’s learn how to delete fields from database table, firstly select
the details table here.
Let’s delete the city field.
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Select the city field, and click the Delete (or Drop) icon.
Click Yes to confirm.
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That’s it!! We’ve successfully deleted the city field from our database
table.
You now know how to delete fields in a table using phpMyAdmin.
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Part 7:
Exporting and importing MySQL databases
and tables using phpMyAdmin
2014 - 2015
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Exporting and importing MySQL database using phpMyAdmin
Now let’s learn how to exporting MySQL databases.
Click the database you wish to export here.
Then click the Export button.
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In this case, we want to export the entire database in SQL format so we
can easily import it later. This is a good way to backup your database.
Be sure to check any option you want before proceeding.
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Check the save as file checkbox then click Go ok
 that’s it!! The demo1234_member has been exported to our local
computer.
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Now let’s import the saved copy of our database, which includes the
details table.
 Browse the saved copy of our database (SQL file) and click GO.
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That’s it!! The demo1234_members database has been successfully
imported as indicated here. Lets go take a look.
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Part 8:
Running SQL queries on a MySQL database
using phpMyAdmin
2014 - 2015
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Running SQL queries on a MySQL database using phpMyAdmin
Now let’s learn how to run SQL Queries on a database.
Click the database table you wish to run a SQL query on.
Click the SQL button to SQL query window.
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In this part however, let’s demonstrate how to delete this address field
using pure SQL command.
Then type the SQL command to delete the address field from the details
table. Click Go when finished.
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Click OK to Drop address field from the table.
That’s it!! The SQL command has been executed. Let’s go take look.
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The address field is no longer in our details table.
We now know how to use SQL Query window to SQL syntaxes.
 Note: for more information on learning about SQL query syntax,
visit the MySQL documentation by clicking on SQL icon..
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Part 9:
Searching through a MySQL database
using phpMyAdmin
2014 - 2015
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Searching through a MySQL database using phpMyAdmin
Now let’s learn how to use the Search feature.
Click the database you wish to search here. Then click the Search button.
Enter words or values to search for in the database.
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There are several options you can use to refine your search.
 Note: this database only has one table (details), but if there were
more, you could limit your search to specific table here..
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When ready, click Go to perform the search.
The search found one match.
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Click Browse link to look the result.
We can now make changes, delete, export and print to the record that
was found .
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END…
END…
Any questions..?
Hope you have been happy
Thank you
2014 - 2015
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MySQL Database with phpMyAdmin

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