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Batch import JSON into MySQL TEXT

Want to batch import JSON documents into MySQL TEXT (CLOB) column?

Try Withdata DBBlobEditor, a MySQL TEXT (CLOB) editor, Bulk import JSON into MySQL, East and Fast.

Download DBBlobEditor
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Linux .deb (For Debian, Ubuntu) 64 bit
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MacOS 64 bit

Batch import JSON documents to MySQL TEXT (CLOB) column

Run DBBlobEditor, login to MySQL.

Click “Start New Task – Import LOB From Files” at task dialog.

then show the wizard.

1. Configure import JSON settings.

2. Bulk import JSON files to MySQL TEXT (CLOB).

then you can see importing results


More about MySQL TEXT (CLOB) importer

JSON → MySQL reference

Type mapping

Value kindin JSONin MySQL
Int1234 (number)INT
Bigint9007199254740993BIGINT
Decimal1234.56 (number)DECIMAL(p,s)
Float1.234e10 (number)DOUBLE
Text"text" (string)VARCHAR(n)
Long text"multi-line\ntext" (escaped newline inside a string)LONGTEXT
Date"2026-09-18" (string)DATE
Datetime"2026-09-18T14:30:00Z" (string)DATETIME
Binary"base64:..." (string)LONGBLOB
Booleantrue / false (boolean)TINYINT(1)
JSONnested object or array, kept as structureJSON

Dialect differences

JSON is a file format and MySQL is a database server, so the target has to be told the types the file never carried - the rows below are where the two sides diverge.

Propertyin JSONin MySQL
port—3306
identifiersDouble quotes; backslash escapes`backtick`
row limit—LIMIT n
datesNo date type: dates arrive as strings and the reader must p...DATETIME, TIMESTAMP, DATE, TIME
long text—TINYTEXT / TEXT / MEDIUMTEXT / LONGTEXT
binaryNot supported natively - base64 inside a stringBLOB / TINYBLOB / LONGBLOB
separatorBraces and commas—
encodingUTF-8 by definition—
typingstring, number, boolean, null, object, array - no date type—
shapeNested objects and arraysTables of rows and columns
ceilingWhole document is usually parsed into memory—

Command line

SideCommand
MySQLmysqldump, or mysql -e "SELECT ..." > out.csv
MySQL (load)mysqlimport, or LOAD DATA INFILE

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