Mysql varchar 1000 or text

VARCHAR fields was increased from 2characters to 65characters. Some people say always use text if you have more than 2characters (yea, this was after .which allowed varchar up to 65k). But then I thought to myself if I were to use text everytime the characters were over 25 then why did mysql bother increasing the size at all if that was always the best option? Mi pregunta complementaria es ¿realmente hay alguna diferencia entre tinyblob y tinytext? Values in VARCHAR columns are variable-length strings.

There is a HUGE difference between VARCHAR and TEXT. VARCHAR type fields are stored inline while TEXT are stored offline, only pointers to TEXT data is actually stored in the records. If you have to index your field for faster search, update or delete than go for VARCHAR , no matter how. We set the datatype as VARCHAR (N) where N is the range of the string length.

For example, if we have used VARCHAR (200) then the range of the string will be from to 200. I have a catalog of materials stored in MySQL. The last one is giving me a problem.

MySQL - storage in varchar for length. Does varchar and Text affect the database size? Also, do they differ in speed? The TEXT is useful for storing long-form text strings that can take from byte to GB.

We often find the TEXT data type for storing article body in news sites, product description in e-commerce sites. To calculate the number of bytes used to store a particular CHAR, VARCHAR , or TEXT column value, you must take into account the character set used for that column and whether the value contains multibyte characters. Einige Leute sagen immer Text verwenden, wenn Sie mehr als 2Zeichen haben (ja, das war nach . was VARCHAR bis zu 65k erlaubt). Aber dann dachte ich mir, wenn ich jedes Mal, wenn die Zeichen über 2sin Text verwenden würde, warum hat Mysql dann überhaupt die Größe erhöht, wenn das immer die beste Option war? Penso che TEXT sia memorizzato al di fuori della riga mysql , mentre penso che VARCHAR sia memorizzato come parte della riga.

Esiste una lunghezza massima della riga per le righe mysql. In questo modo è possibile limitare. Sie eine TEXT -Spalte auch als VARCHAR -Spalte betrachten.

BLOB und TEXT unterscheiden sich wie folgt von VARBINARY bzw. Bei CHAR und VARCHAR ist die Präfixlänge optional. Siehe auch Abschnitt 7. Microsoft SQL Server MVP Moderator SQL-Server-Performance. All postings are provided “AS IS†with no warranties for accuracy. Sasha Pachev Monty, The manual talks about varchar vs char, which obviously favors char because of fixed length.

However, both text and varchar have variable length. As pointed out, they have different lengths. But internally the difference is substantial. For most types, all the data for each row is stored together.

MySql 的 varchar 类型还不熟悉，故又上网收集资料整理如下。1.