Storing JSON in BLOB columns JSON in the.

In previous postings we have shown examples of JSON data stored in a VARCHAR2 and CLOB columns. VARCHAR2 values have a maximum length of is 32767 bytes whereas CLOB has no such limitation. Both are textual data types so any selected value if displayed in SQLPlus or SQLDeveloper is. Blobs are immutable objects that represent raw data. File is a derivation of Blob that represents data from the file system. Use FileReader to read data from a Blob or File. Blobs allow you to construct file like objects on the client that you can pass to apis that expect. If expr is a column, then the column must be of data type VARCHAR2, CLOB, or BLOB. If expr is null, then the function returns null. If expr is not a text literal of well-formed JSON data using strict or lax syntax, then the function returns null by default. JSON is an alias for LONGTEXT introduced for compatibility reasons with MySQL's JSON data type. MariaDB implements this as a LONGTEXT rather, as the JSON data type contradicts the SQL standard, and MariaDB's benchmarks indicate that performance is at least equivalent. The JSON type.

1. Overview. The json1 extension is a loadable extension that implements fifteen application-defined SQL functions and two table-valued functions that are useful for managing JSON content stored in an SQLite.