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  1. Overview
    • SQL data types reference
    • SQL command reference
    • Function and stored procedure reference
        1. Summary of functions
          • All functions (alphabetical)
            • Aggregate
            • AI Functions
              1. Scalar functions
                1. AI_CLASSIFY
                  • AI_COMPLETE
                  • AI_COUNT_TOKENS
                    • AI_EMBED
                      • AI_EXTRACT
                      • AI_FILTER
                        • AI_PARSE_DOCUMENT
                          • AI_REDACT
                            • AI_SENTIMENT
                              • AI_SIMILARITY
                                • AI_TRANSCRIBE
                                  • AI_TRANSLATE
                                    • CLASSIFY_TEXT (SNOWFLAKE.CORTEX)
                                      • COMPLETE (SNOWFLAKE.CORTEX)
                                        • COMPLETE multimodal (images) (SNOWFLAKE.CORTEX)
                                          • EMBED_TEXT_768 (SNOWFLAKE.CORTEX)
                                            • EMBED_TEXT_1024 (SNOWFLAKE.CORTEX)
                                              • ENTITY_SENTIMENT (SNOWFLAKE.CORTEX)
                                                • EXTRACT_ANSWER (SNOWFLAKE.CORTEX)
                                                  • FINETUNE (SNOWFLAKE.CORTEX)
                                                  • PARSE_DOCUMENT (SNOWFLAKE.CORTEX)
                                                    • SENTIMENT (SNOWFLAKE.CORTEX)
                                                      • SUMMARIZE (SNOWFLAKE.CORTEX)
                                                        • TRANSLATE (SNOWFLAKE.CORTEX)
                                                        • Aggregate functions
                                                          1. AI_AGG
                                                            • AI_SUMMARIZE_AGG
                                                            • Helper functions
                                                              1. AGENT_RUN (SNOWFLAKE.CORTEX)
                                                                • COUNT_TOKENS (SNOWFLAKE.CORTEX)
                                                                  • DATA_AGENT_RUN (SNOWFLAKE.CORTEX)
                                                                    • EXECUTE_AI_EVALUATION
                                                                      • GET_AI_EVALUATION_DATA (SNOWFLAKE.LOCAL)
                                                                        • GET_AI_OBSERVABILITY_LOGS (SNOWFLAKE.LOCAL)
                                                                          • GET_AI_RECORD_TRACE (SNOWFLAKE.LOCAL)
                                                                            • SEARCH_PREVIEW (SNOWFLAKE.CORTEX)
                                                                              • SPLIT_TEXT_MARKDOWN_HEADER (SNOWFLAKE.CORTEX)
                                                                                • SPLIT_TEXT_RECURSIVE_CHARACTER (SNOWFLAKE.CORTEX)
                                                                                  • TRY_COMPLETE (SNOWFLAKE.CORTEX)
                                                                                • Bitwise expression
                                                                                • Conditional expression
                                                                                • Context
                                                                                • Conversion
                                                                                • Data generation
                                                                                • Data metric
                                                                                    1. Accuracy
                                                                                    2. BLANK_COUNT
                                                                                      • BLANK_PERCENT
                                                                                        • NULL_COUNT
                                                                                          • NULL_PERCENT
                                                                                            • Freshness
                                                                                            • DATA_METRIC_SCHEDULED_TIME
                                                                                              • FRESHNESS
                                                                                                • Statistics
                                                                                                • AVG
                                                                                                  • MIN
                                                                                                    • MAX
                                                                                                      • STDDEV
                                                                                                        • Uniqueness
                                                                                                        • ACCEPTED_VALUES
                                                                                                          • DUPLICATE_COUNT
                                                                                                            • UNIQUE_COUNT
                                                                                                              • Volume
                                                                                                              • ROW_COUNT
                                                                                                            • Date & time
                                                                                                            • Differential privacy
                                                                                                            • Encryption
                                                                                                            • File
                                                                                                            • Geospatial
                                                                                                            • Hash
                                                                                                            • Metadata
                                                                                                            • ML Model Monitors
                                                                                                            • Notification
                                                                                                            • Numeric
                                                                                                            • Organization users and organization user groups
                                                                                                            • Regular expressions
                                                                                                            • Semi-structured and structured data
                                                                                                            • Snowpark Container Services
                                                                                                            • String & binary
                                                                                                            • System
                                                                                                            • Table
                                                                                                            • Vector
                                                                                                            • Window
                                                                                                            • Stored procedures
                                                                                                        • Class reference
                                                                                                        • Scripting reference
                                                                                                        • General reference
                                                                                                        • API reference
                                                                                                          ReferenceFunction and stored procedure referenceData metric

                                                                                                          Data metric functions¶

                                                                                                          Snowflake provides built-in system data metric functions to measure data quality for tables and views:

                                                                                                          • ACCEPTED_VALUES (system data metric function)

                                                                                                          • AVG (system data metric function)

                                                                                                          • BLANK_COUNT (system data metric function)

                                                                                                          • BLANK_PERCENT (system data metric function)

                                                                                                          • DATA_METRIC_SCHEDULED_TIME (system data metric function)

                                                                                                          • DUPLICATE_COUNT (system data metric function)

                                                                                                          • FRESHNESS (system data metric function)

                                                                                                          • MAX (system data metric function)

                                                                                                          • MIN (system data metric function)

                                                                                                          • NULL_COUNT (system data metric function)

                                                                                                          • NULL_PERCENT (system data metric function)

                                                                                                          • ROW_COUNT (system data metric function)

                                                                                                          • STDDEV (system data metric function)

                                                                                                          • UNIQUE_COUNT (system data metric function)

                                                                                                          For details, see System data metric functions.

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