mysqltextlength

TherangeofMis0to65,535.TheeffectivemaximumlengthofaVARCHARissubjecttothemaximumrowsize(65,535bytes,whichissharedamongallcolumns) ...,2011年7月20日—LONGTEXTisastringdatatypewithamaximumlengthof4,294,967,295characters.UseLONGTEXTifyouneedtostorelargetext,suchasa ...,,StringDataTypes;TEXT(size),Holdsastringwithamaximumlengthof65,535bytes;BLOB(size),ForBLOBs(BinaryLargeOBjects).Holdsupto65,535byte...

參考資訊如下
13.3.1 String Data Type Syntax

The range of M is 0 to 65,535. The effective maximum length of a VARCHAR is subject to the maximum row size (65,535 bytes, which is shared among all columns) ...

Maximum length for MySQL type text

2011年7月20日 — LONGTEXT is a string data type with a maximum length of 4,294,967,295 characters. Use LONGTEXT if you need to store large text, such as a ...

MySQL 8.3 Reference Manual :

MySQL Data Types

String Data Types ; TEXT(size), Holds a string with a maximum length of 65,535 bytes ; BLOB(size), For BLOBs (Binary Large OBjects). Holds up to 65,535 bytes of ...

MySQL LENGTH() Function

The LENGTH() function returns the length of a string (in bytes). Syntax. LENGTH(string). Parameter Values. Parameter, Description. string, Required. The string ...

MySQL TEXT 格式的長度限制

2009年10月20日 — MySQL TEXT 格式長度列表 · TINYTEXT: 256 bytes · TEXT: 65,535 bytes => ~64kb · MEDIUMTEXT: 16,777,215 bytes => ~16MB · LONGTEXT: 4,294,967,295 ...

MySQL TEXT長度限制(maximum length)

2019年6月14日 — MySQL TEXT長度限制(maximum length). MySQL TEXT 的最大長度限制是65,535 (216 − 1)個位元組(Bytes)。

Understanding Storage Sizes for MySQL TEXT Data Types

TEXT data objects top out at 64 KB (expressed as 2^16 -1) or 65,535 characters and requires a 2 byte overhead. It is sufficiently large enough to hold text for ...

What is the maximum length of data we can put in a TEXT ...

2020年6月20日 — What is the maximum length of data we can put in a TEXT column in MySQL? · 1 byte. TEXT, Up to 64 Kb · 2 bytes. MEDIUMTEXT, Up to 16 Mb · 3 bytes.

在MySQL 中的VARCHAR 和TEXT 之间的选择

2020年2月19日 — the maximum length of VARCHAR fields from 255 to 65535 characters. That made the VARCHAR type more similar to TEXT than ever before. For ...