Mysql data types

This chapter provides an overview of these data types, a more detailed description of the properties of the types in each category, and a summary of the data type storage. The date and time types for representing temporal values are. Preface and Legal Notices. If a data type specification includes no explicit DEFAULT. An SQL developer must decide what type of data that will be stored inside each column when creating a table.

Let us now discuss them in detail. Welcome to our complete collection. In other words, BOOLEAN and BOOL are synonyms for TINYINT(1).

String data types are normally used to store names, addresses, descriptions or any value that contains letters and numbers including binary data , like image or audio files. One cannot handle the vast amount of data present in the world without a proper database management system. MySQL Boolean data type.

SQL Server supplies a set of system data types that define all the types of data that can be used with SQL Server. It allows different types of data to be used in different ways. The main types of data are character, numerical, and date and time. A Data Type specifies a particular type of data , like integer, floating points, Boolean etc. It also identifies the possible values for that type, the operations that can be performed on that type and the way the values of that type are stored.

Each value belongs to one data type. A data type is a set of representable values. Moreover, it also supports the BIT data type that can accept bit values. A numeric type can either be signed or unsigned. But the BIT type is a combination of 0s and 1s.

The following is the summary of different numeric types. When we see about PHP data types , we have listed set of possible types of data with which the PHP variable may be initialized. SQL data types can be broadly divided into following categories. Date and Time data types such as Date, Time, Datetime etc.

Character and String data types such as char, varchar, text etc. Unicode character string data types , for example nchar, nvarchar, ntext etc. SQL Data Type is an attribute that specifies the type of data of any object.

You can use these data types while creating your tables. Each column, variable and expression has a related data type in SQL. You can choose a data type for a table column based on your requirement. You can accept the default data type mappings, or you can customize the mappings as shown in the following procedures.

I want to get the column data type of a mysql table. Thought I could use MYSQLFIELD structure but it was enumerated field types. In addition to this it comes with several other types also.

These data types that are used in SQL server have different ranges and you can refer the menu of SQL Server to know more about them. They are text, date, and number. If there is a length defined for the destination data type then the maximum value of the two lengths is taken. We often use the DECIMAL data type for monetary data such as prices, salary, account balances, etc.

If you design a database that handle the monetary data , the following syntax should be OK. The specification describes a set of SQL geometry types , as well as functions on those types to create and analyze geometry values. In a database, each column of a table has a specific data type. The next few pages will likely be a little dry. Some formats are supporte while others are not.

Below is a mapping of this data type.