统计信息管理函数

本节内容

• ANALYZE_EXTERNAL_ROW_COUNT
• ANALYZE_STATISTICS
• ANALYZE_STATISTICS_PARTITION
• DROP_EXTERNAL_ROW_COUNT
• DROP_STATISTICS
• DROP_STATISTICS_PARTITION
• EXPORT_STATISTICS
• EXPORT_STATISTICS_PARTITION
• IMPORT_STATISTICS
• VALIDATE_STATISTICS