Should I use TEXT or VARCHAR MySQL?
Table of Contents
Should I use TEXT or VARCHAR MySQL?
In most circumstances, VARCHAR provides better performance, it’s more flexible, and can be fully indexed. If you need to store longer strings, use MEDIUMTEXT or LONGTEXT, but be aware that very large amounts of data can be stored in columns of these types.
Should I use TEXT in MySQL?
Text should be used for really long strings of indeterminate length. Also, queries that return TEXT fields tend to be much slower than their VARCHAR counterparts.
Which is better nvarchar or VARCHAR?
The key difference between varchar and nvarchar is the way they are stored, varchar is stored as regular 8-bit data(1 byte per character) and nvarchar stores data at 2 bytes per character. Due to this reason, nvarchar can hold upto 4000 characters and it takes double the space as SQL varchar.
What is difference between CHAR VARCHAR and TEXT in MySQL?
TEXT has a fixed max size of 2¹⁶-1 = 65535 characters. VARCHAR has a variable max size M up to M = 2¹⁶-1 . So you cannot choose the size of TEXT but you can for a VARCHAR . The other difference is, that you cannot put an index (except for a fulltext index) on a TEXT column.
Is TEXT a data type in MySQL?
TEXT is the family of column type intended as high-capacity character storage. The actual TEXT column type is of four types-TINYTEXT, TEXT, MEDIUMTEXT and LONGTEXT. The four TEXT types are very similar to each other; the only difference is the maximum amount of data each can store.
Which is faster TEXT or VARCHAR?
A VARCHAR can be part of an index whereas a TEXT field requires you to specify a prefix length, which can be part of an index. VARCHAR is stored inline with the table (at least for the MyISAM storage engine), making it potentially faster when the size is reasonable.
Should you use TEXT or VARCHAR?
Some Differences Between VARCHAR and TEXT A VARCHAR can be part of an index whereas a TEXT field requires you to specify a prefix length, which can be part of an index. VARCHAR is stored inline with the table (at least for the MyISAM storage engine), making it potentially faster when the size is reasonable.
What is TEXT data type in mysql?
When should I use VARCHAR?
If you use char or varchar, we recommend to:
- Use char when the sizes of the column data entries are consistent.
- Use varchar when the sizes of the column data entries vary considerably.
- Use varchar(max) when the sizes of the column data entries vary considerably, and the string length might exceed 8,000 bytes.
What is the maximum length of TEXT in MySQL?
A TEXT column with a maximum length of 4,294,967,295 or 4GB (232 − 1) characters. The effective maximum length is less if the value contains multibyte characters.
What is the purpose of NVARCHAR?
nvarchar stores data as Unicode, so, if you’re going to store multilingual data (more than one language) in a data column you need the N variant.
When should I use Nvarchar?
You should use NVARCHAR / NCHAR whenever the ENCODING , which is determined by COLLATION of the field, doesn’t support the characters needed. Also, depending on the SQL Server version, you can use specific COLLATIONs , like Latin1_General_100_CI_AS_SC_UTF8 which is available since SQL Server 2019.
What is difference between Nchar and Nvarchar?
The NCHAR data type is a fixed-length character data type that supports localized collation. The NVARCHAR data type is a varying-length character data type that can store up to 255 bytes of text data and supports localized collation.
What is TEXT data type in MySQL?
When should I use VARCHAR or TEXT?
Some Differences Between VARCHAR and TEXT The VAR in VARCHAR means that you can set the max size to anything between 1 and 65,535. TEXT fields have a fixed max size of 65,535 characters. A VARCHAR can be part of an index whereas a TEXT field requires you to specify a prefix length, which can be part of an index.
