What are the datatypes in MySQL?

What are the MySQL data types?

In MySQL there are three main data types: string, numeric, and date and time.

What are the MySQL data types give examples?

MySQL Data Types

  • BIT.
  • BOOLEAN.
  • DATE.
  • DATETIME.
  • DECIMAL.
  • ENUM.
  • JSON.
  • TIME.

What are the four data types in MySQL?

MySQL supports all standard SQL numeric data types which include INTEGER, SMALLINT, DECIMAL, and NUMERIC. It also supports the approximate numeric data types (FLOAT, REAL, and DOUBLE PRECISION). The keyword INT is a synonym for INTEGER, and the keywords DEC and FIXED are synonyms for DECIMAL.

What are the 5 data types?

Common data types include:

  • Integer.
  • Floating-point number.
  • Character.
  • String.
  • Boolean.

What are the different types of SQL?

Types of SQL Statements

  • Data Definition Language (DDL) Statements.
  • Data Manipulation Language (DML) Statements.
  • Transaction Control Statements.
  • Session Control Statements.
  • System Control Statement.
  • Embedded SQL Statements.

What are different types of database?

What are the types of databases?

  • Relational databases. Relational databases have been around since the 1970s. …
  • NoSQL databases. …
  • Cloud databases. …
  • Columnar databases. …
  • Wide column databases. …
  • Object-oriented databases. …
  • Key-value databases. …
  • Hierarchical databases.
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What is data type of image in MySQL?

In MySQL, the preferred data type for image storage is BLOB. … BLOB: Can handle up to 65,535 bytes of data. MEDIUMBLOB: The maximum length supported is 16,777,215 bytes. LONGBLOB: Stores up to 4,294,967,295 bytes of data.

What is the full form of MySQL?

www.mysql.com. MySQL (/ˌmaɪˌɛsˌkjuːˈɛl/) is an open-source relational database management system (RDBMS). Its name is a combination of “My”, the name of co-founder Michael Widenius’s daughter, and “SQL”, the abbreviation for Structured Query Language.

Is varchar a SQL?

VARCHAR Datatype:

It is a datatype in SQL which is used to store character string of variable length but maximum of set length specified.

What does TinyInt 4 mean?

So realistically TinyInt(3) unsigned is sufficient to display the max value of 255 . Whereas TinyInt(4) is need to display -128 for instance. – colm.anseo Jul 16 ’19 at 21:25.

What is a varchar in SQL?

As the name suggests, varchar means character data that is varying. Also known as Variable Character, it is an indeterminate length string data type. It can hold numbers, letters and special characters. … SQL varchar usually holds 1 byte per character and 2 more bytes for the length information.

What is string data type?

A string data type is traditionally a sequence of characters, either as a literal constant or as some kind of variable. The latter may allow its elements to be mutated and the length changed, or it may be fixed (after creation).

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