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distributed-database-middle.../umn/source/sql_syntax/dml/unsupported_dml_statements.rst

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Unsupported DML Statements

Unsupported DML Statements

Table 1 Syntax restrictions on DML
DML Syntax Restriction
DELETE statement PARTITION clauses are not supported.
UPDATE statement Cross-shard subquery is not supported.
SELECT statement User-defined sequencing similar to ORDER BY FIELD(id,1,2,3) is not supported.