Mysql Setup On Mac

This article is part of a series.

Restart your MySQL server for the changes to take effect: On Windows, use the Windows Services manager to restart the service. On Linux: Run one of the following commands, depending on your setup: '/etc/init.d/mysqld stop' or '/etc/init.d/mysql stop' or 'service mysqld stop'. 5 Adding new Kodi devices to the MySQL setup. Since the database has now been set up on the MySQL server, all you need to do for any additional Kodi devices, is to copy a small number of files/folders. Copy the MySQL connections section for video and/or music databases into the advancedsettings.xml file on the other Kodi client(s).

Part 1 - Beginning MySQL for Data Analysts
Part 2 - Understanding the MySQL Query
Part 3 - This Article

The last two articles have been getting oriented to SQL, however, the information in them will disappear quickly if we don’t give you a way to practice on data meaningful to you. Let’s face it, as much fun as it is to find out random employees salaries, those don’t mean anything to you.

This article will show you how to setup a copy of MySQL Server on your PC, connect to it, load data from a CSV, and query those data. There’s a lot to get done, so let’s get started.

Local MySQL Server Setup

Each of the three operating systems are a little different on how you must go about setting up a local copy of MySQL Server. Unfortunately, Windows is the most complex. Anyway, feel free to skip to the appropriate section

Windows

First, download the MySQL MSI Installer.

After you’ve downloaded it, open the the file.

If you are prompted to “Upgrade” go ahead and say “Yes”

The installer is a bit confusing, but don’t worry, most everything is fine left on its default.

Click on MySQL Server then the Add button. Add “MySQL Server” and “Connector/OBDC x64.” Then click “Next.” You will see a Installation summary, click on “Execute” and wait for the download to finish and then install wizard to begin.

As I stated, most of the install wizard questions we will leave as default.

On the “Accounts and Roles” section you will need to decide on your password for the SQL Server on your local PC. I obviously didn’t pick a great one. MySQL Server will automatically setup a user with the name of root and a password you set here. This root user will permissions to do anything to the server.

Execute the installer and let it finish.

Once it finishes you should now have MySQL Server installed on your local PC. Skip to the last section to test it out.

Mac

Mac’s a bit simpler.

Download the .dmg installer.

Click on “No thanks, just start my download” and when the download is finished, double click on it.

Double click on the installer. You will need to enter your system password for the installer to setup MySQL Server, but you will also need to provide the MySQL Server root user a password. Don’t consfuse the two, unless you plan for them to be the same.

Once it finishes you should now have MySQL Server installed on your Mac. Skip to the last section to test it out.

Testing your Local SQL Server

Go ahead and open MySQL Workbench and let’s connect to this new local server.

Click on the “New Connection” icon and leave everything default, except the “Connection Name,” here enter localhost.

Double click on the new connection and enter the password you created during installation. Voila!

Let’s run a command to make sure everything is working.

You should see:

Loading CSV

Create a database

Before we create a table, make sure we are using the created datebase.

Now, we need to go over a bit of boring stuff before we get to loading the CSV. Sorry, I’ll try to keep it brief.

Datatypes

In SQL, every field has something called a “datatype.” You can think of a datatype as a tag on your data tell the computer how to read them.

Ultimately, a computer can’t make sense of any human-words. It has to convert everything into 0 and 1 before it understand its. If this conversion was left up to the computer entirely, it might see a word and say, “Oh, yah, this is one of those French words,” when it is actually English, thus, the conversion to 0 and 1s are incorrect.

You may have encountered this in a spreadsheet. If you open a spreadsheet and see something like

The data I actually provided the spreadsheet were:

Zipcode
75444
06579

Notice the zero in front of 6579, this was due to the computer saying, “Oh, these data look like numbers–and since the human didn’t tell me otherwise, I’m going to treat them like numbers. And, well, it is perfectly valid to drop the leading zero of a number.”

I wish all datatypes were this simple, however, the above example is about is simple as it gets. We can try to skip over a lot of nuances of datatypes and focus on the three we will probably see the most:

DATE
TIME
INT (short of integer)
FLOAT
CHAR (short for character)

Here are what samples of the above data would look like in a spreadsheet:

DATE	TIME	INT	FLOAT	CHAR
2019-10-01	2019-10-01 12:01:22	42	42.4	The answer to it all.

DATE

Dates are pretty straightforward, they store a year, month, and day as a number. However, when we retrieve this number it is put in the human readable format listed above.

TIME

Time is exactly like DATE, but it also includes hours, minutes, and seconds (sometimes milliseconds).

INT

An INT stores a number no bigger than 2,147,483,647. However, one thing an INT cannot do is store a partial numbers. For example, if we try to store 0.5 in an INT field it will probably get converted to 1.

FLOAT

FLOATs fill in where INTS fail. That is, a FLOAT store only up to the precision you specifiy. For example, if we tried to store a 0.5 in a FLOAT with two precision points we’d be fine. However, if we tried to store 0.4567 in a FLOAT with only two precision points, then it would be converted to 0.46, or rounded up.

CHAR

CHAR is meant to store human readable text. When you put data into a CHAR field, the SQL program knows this is human readable information and doesn’t try to figure it out at all. It leaves it literally as it is. This is why CHARS are known as “literals.” They are also called “strings,” because the computer seems them as a bunch of characters strung together.

SQL Datatypes

In SQL there are a lot of datatypes, however, some you may never need to use. One way SQL is a bit different than a spreadsheet is it wants to know ahead of time the size it needs to make the field.

CHAR Revisited

This will mainly impact us when dealing with CHAR. When the SQL program creates a CHAR field it wants to know the maximum number of characters which will ever go into the field.

For example:

CHAR(19) could hold the following: <-------19-------->
CHAR(5) could hold the following: <-5->

One important note, if you put a single character in a CHAR(5) field, then the SQL program will fill in the other four characters with a NULL. In short, a CHAR field will always be full.

VARCHAR

There is another type of character field which allows you to put more or less data than was decided at the beginning. The VARCHAR datatype stands for “variable character” field. It will allow you to store up to 65,535 characters on MySQL. This is around 3 pages of text.

VARCHAR vs. CHAR

Why have CHAR at all? Shouldn’t we always use VARCHAR for everything just in case? Well, usually, but not always.

Often, when you design a database you want to make it as efficient as possible (I mean, it’s going to be successful business product, right?). The maximum size of the data a human will try to stuff in the field is important to the SQL program, as it tries to store data in such a way it minimizes space used and maximizes efficiency in retrieving the data.

In short, CHAR has a few advantages for your database. And take Social Security Numbers, if your database has to store these data then it should probably be a CHAR as these data have historically been 9 characters (11 if you include dashes).

Pop quiz, why don’t we store a Social Security Number as an INT?

Creating the Table

Ok, I’ve put you through a crash course of datatypes to get you to this point.

We are going to:

Create a database called tasksDB
Active tasksDB
Create a table on tasksDB, setting the fields datatype
Then import a CSV into this table
Lastly, we will write a query against the table

Ready!? Let’s do it!

Creating Database

Open Workbench, type, and run the following:

https://superuser.com/questions/1354368/mysql-error-in-loading-csv-file-data-into-table

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Setup Mysql On Mac Brew

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Before starting MySQL download, I suggest you should have a look on MySQL minimum system requirements:

Operating Systems: Windows 8, Windows 7, XP (All 32 Bit / 64 Bit Systems), Linux, Mac OS X
RAM: 512 MB
Processor: 1 Ghz
Space: 500 MB (This is not database space which you will create later)

Note that above are minimum requirements for MySQL installation. The scalability and database management system performance depends on your DBMS tuning.

Below are technical details of MySQL Setup if you are interested to see before MySQL Download.

Setup Mysql Database On Mac

Software Name: MySQL 5.6.13.0
Setup File Name: mysql-installer-community-5.6.13.0.msi (Windows), mysql-5.6.13-osx10.7-x86_64.dmg (Mac)
Size of Setup: 182.44 MB (Windows), 159.5M (Mac)
License: Opensource Freeware
MD5 Checksum: d7c9d19e33d85b2eddf66a50cd39d0d4 (Windows), 6717e3f0587407892fcd737ff6cadb04 (Mac)

Now click on below button for MySQL download. Download MySQL Full Setup offline installer standalone. This version of MySQL works for Both 32 Bit and 64 Bit versions of Windows 8, Windows 7 etc. The first button is to download MySQL for Windows. Second button is to download MySQL for Mac OS.

Mysql Installation On Mac Os X

Before Installing Software You Must Watch This Installation Guide Video

MySQL Download Setup For Windows

Once you have MySQL downloaded in PC or Mac. Follow below steps to install, configure and use MySQL.

Double click on MySQL setup file and start installation.
Wait until MySQL is installed completely.
During installation you may be prompted for MySQL root user name password.
This is the MySQL super user credentials. Set them and make them secure.
Get MySQL Workbench download and install which is a GUI Visual tool for handling databases.
MySQL workbench is handy tool for Database Administrators. This helps to drag and drop easily objects.

Let us know if you faced any issues during MySQL download or installation.