SQLite datatype
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NULL. The value is a NULL value.
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INTEGER. The value is a signed integer, stored in 1, 2, 3, 4, 6, or 8 bytes depending on the magnitude of the value.
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REAL. The value is a floating point value, stored as an 8-byte IEEE floating point number.
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TEXT. The value is a text string, stored using the database encoding (UTF-8, UTF-16BE or UTF-16LE).
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BLOB. The value is a blob of data, stored exactly as it was input.
