CREATE [GLOBAL TEMPORARY] TABLE tablename
  [EXTERNAL [FILE] 'filespec']
  (<col_def> [, <col_def> | <tconstraint> ...])
  [ON COMMIT {DELETE | PRESERVE} ROWS]
  [SQL SECURITY {DEFINER | INVOKER}]
  [{ENABLE | DISABLE} PUBLICATION]

<col_def> ::=
    <regular_col_def>
  | <computed_col_def>
  | <identity_col_def>

<regular_col_def> ::=
  colname { <datatype> | domain_name }
  [DEFAULT {<literal> | NULL | <context_var>}]
  [NOT NULL]
  [<col_constraint>]
  [COLLATE collation_name]


<computed_col_def> ::=
  colname [{ <datatype> | domain_name }]
  {COMPUTED [BY] | GENERATED ALWAYS AS} (<expression>)

<identity_col_def> ::=
  colname [<datatype>]
  GENERATED {ALWAYS | BY DEFAULT} AS IDENTITY [(<identity column options>)]
  [<col_constraint>]

<identity column options> ::=
  <identity column option> [<identity column option>]

<identity column option> ::=
    START WITH startvalue
  | INCREMENT [BY] incrementvalue


<datatype> ::=
    <scalar_datatype> | <blob_datatype> | <array_datatype>

<scalar_datatype> ::=  См. Синтаксис скалярных типов данных

<blob_datatype> ::= См. Синтаксис типа данных BLOB

<array_datatype> ::= См. Синтаксис массивов

<col_constraint> ::= [CONSTRAINT constr_name]
{   UNIQUE [<using_index>]
  | PRIMARY KEY [<using_index>]
  | REFERENCES other_table [(other_col)]
      [ON DELETE { NO ACTION | CASCADE | SET DEFAULT | SET NULL}]
      [ON UPDATE { NO ACTION | CASCADE | SET DEFAULT | SET NULL}]
      [<using_index>]
  | CHECK (<check_condition>)
}

<tconstraint> ::= [CONSTRAINT constr_name]
{   UNIQUE (<col_list>) [<using_index>]
  | PRIMARY KEY (<col_list>) [<using_index>]
  | FOREIGN KEY (<col_list>)
    REFERENCES other_table [(<col_list>)]
      [ON DELETE { NO ACTION | CASCADE | SET DEFAULT | SET NULL}]
      [ON UPDATE { NO ACTION | CASCADE | SET DEFAULT | SET NULL}]
      [<using_index>]
  | CHECK (<check_condition>)
}

<col_list> ::= colname [, colname ...]

<using_index> ::= USING [ASC[ENDING] | DESC[ENDING]] INDEX indexname

<check_condition> ::=
    <val> <operator> <val>
  | <val> [NOT] BETWEEN <val> AND <val>
  | <val> [NOT] IN (<val> [, <val> ...] | <select_list>)
  | <val> IS [NOT] NULL
  | <val> IS [NOT] DISTINCT <val>
  | <val> IS [NOT] {TRUE | FALSE | UNKNOWN}
  | <val> [NOT] CONTAINING <val>
  | <val> [NOT] STARTING [WITH] <val>
  | <val> [NOT] LIKE <val> [ESCAPE <val>]
  | <val> [NOT] SIMILAR TO <val> [ESCAPE <val>]
  | <val> <operator> {ALL | SOME | ANY} (<select_list>)
  | [NOT] EXISTS (<select_expr>)
  | [NOT] SINGULAR (<select_expr>)
  | (<check_condition>)
  | NOT <check_condition>
  | <check_condition> OR <check_condition>
  | <check_condition> AND <check_condition>


<operator> ::=
    <> | != | ^= | ~= | = | < | > | <= | >=
  | !< | ^< | ~< | !> | ^> | ~>

<val> ::=
    colname ['['<array_idx> [, <array_idx> ...]']']
  | <literal>
  | <context_var>
  | <expression>
  | NULL
  | NEXT VALUE FOR genname
  | GEN_ID(genname, <val>)
  | CAST(<val> AS <cast_type>)
  | (<select_one>)
  | func(<val> [, <val> ...])

<cast_type> ::=
   <datatype>
  | [TYPE OF] domain_name
  | TYPE OF COLUMN rel.colname