-- Your task is to use a select statement to return a single column table containing the full title of the person (concatenate all columns together except id), as follows: ...
OracleCatalog's sql statement of SELECT_COLUMNS_SQL_TEMPLATE have some issue when the column‘s type is NVARCHAR2 or NCHAR, the length of column should get the cols.char_col_decl_length. so the sql ...
The error “Column is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause” occurs in SQL when a SELECT ...
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