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Reference

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        • Data Definition Language (DDL)
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        • Data Query Language (DQL)
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          • DROP USER
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        • Transactions (TCL)
          • START TRANSACTION / BEGIN
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          • ROLLBACK
          • SET AUTOCOMMIT
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          • SHOW
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            • SHOW CREATE PUBLICATION
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            • SHOW INDEX
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            • SHOW COLUMNS
            • SHOW FUNCTION STATUS
            • SHOW GRANTS
            • SHOW PROCESSLIST
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            • SHOW PITR
            • SHOW ROLES
            • SHOW SEQUENCES
            • SHOW SNAPSHOTS
            • SHOW STAGES
            • SHOW SUBSCRIPTIONS
            • SHOW VARIABLES
          • SET
            • SET ROLE
          • USE
            • USE DATABASE
          • KILL
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          • Explain
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      • Functions
        • Function List
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          • COUNT
          • GROUP_CONCAT
          • MAX
          • MEDIAN
          • MIN
          • STDDEV_POP
          • SUM
          • VARIANCE
          • VAR_POP
        • Date and Time Functions
          • CONVERT_TZ()
          • CURDATE()
          • CURRENT_TIMESTAMP()
          • DATE()
          • DATE_ADD()
          • DATE_FORMAT()
          • DATE_SUB()
          • DATEDIFF()
          • DAY()
          • DAYOFYEAR()
          • EXTRACT()
          • HOUR()
          • FROM_UNIXTIME
          • MINUTE()
          • MONTH()
          • NOW()
          • SECOND()
          • STR_TO_DATE()
          • SYSDATE()
          • TIME()
          • TIMEDIFF()
          • TIMESTAMP()
          • TIMESTAMPDIFF()
          • TO_DATE()
          • TO_DAYS()
          • TO_SECONDS()
          • UNIX_TIMESTAMP
          • UTC_TIMESTAMP()
          • WEEK()
          • WEEKDAY()
          • YEAR()
        • Mathematical Functions
          • ABS()
          • ACOS()
          • ATAN()
          • CEIL()
          • CEILING()
          • COS()
          • COT()
          • EXP()
          • FLOOR()
          • LN()
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          • LOG10()
          • PI()
          • POWER()
          • ROUND()
          • RAND()
          • SIN()
          • SINH()
          • TAN()
        • String Functions
          • BIN()
          • BIT_LENGTH()
          • CHAR_LENGTH()
          • CONCAT()
          • CONCAT_WS()
          • EMPTY()
          • ENDSWITH()
          • FIELD()
          • FIND_IN_SET()
          • FORMAT()
          • FROM_BASE64()
          • HEX()
          • INSTR()
          • LCASE()
          • LEFT()
          • LENGTH()
          • LOCATE()
          • LOWER()
          • LPAD()
          • LTRIM()
          • MD5()
          • OCT()
          • REPEAT()
          • REVERSE()
          • RPAD()
          • RTRIM()
          • SHA1()/SHA()
          • SHA2()
          • SPACE()
          • SPLIT_PART()
          • STARTSWITH()
          • SUBSTRING()
          • SUBSTRING_INDEX()
          • TO_BASE64()
          • TRIM()
          • UCASE()
          • UNHEX()
          • UPPER()
          • Regular Expression Overview
            • Regular expression overview
            • NOT REGEXP
            • REGEXP_INSTR()
            • REGEXP_LIKE()
            • REGEXP_REPLACE()
            • REGEXP_SUBSTR()
        • Vector Functions
          • Basic Operators
          • Mathematical Calculations
          • CLUSTER_CENTERS()
          • COSINE_SIMILARITY()
          • COSINE_DISTANCE()
          • INNER_PRODUCT()
          • L1_NORM()
          • L2_NORM()
          • L2_DISTANCE()
          • NORMALIZE_L2()
          • SUBVECTOR()
          • VECTOR_DIMS()
        • Table Functions
          • GENERATE_SERIES()
          • UNNEST()
        • Window Functions
          • DENSE_RANK()
          • RANK()
          • ROW_NUMBER()
        • JSON Functions
          • JQ()
          • JSON_EXTRACT()
          • JSON_EXTRACT_FLOAT64()
          • JSON_EXTRACT_STRING()
          • JSON_QUOTE()
          • JSON_ROW()
          • JSON_UNQUOTE()
          • TRY_JQ()
        • Other Functions
          • LOAD_FILE
          • SAVE_FILE
          • SAMPLE
          • SERIAL_EXTRACT
          • SLEEP
          • STAGE_LIST
          • UUID()
        • System Operations Functions
          • CURRENT_ROLE_NAME()
          • CURRENT_ROLE()
          • CURRENT_USER_NAME()
          • CURRENT_USER()
          • VERSION()
          • PURGE_LOG()
      • Operators
        • INTERVAL
        • Operators Overview
        • Operator Precedence
        • Arithmetic Operators
          • Arithmetic Operators Overview
          • %,MOD
          • *
          • +
          • - (subtraction)
          • - (unary minus)
          • /
          • DIV
        • Assignment Operators
          • Assignment Operators Overview
          • =
        • Bitwise Operators
          • Bitwise Operators Overview
          • &
          • >>
          • <<
          • ^
          • |
          • ~
        • Cast Functions and Operators
          • Cast Functions and Operators Overview
          • BINARY
          • CAST
          • CONVERT
          • DECODE
          • ENCODE
          • SERIAL
          • SERIAL_FULL
        • Comparison Functions and Operators
          • Comparison Functions and Operators Overview
          • >
          • >=
          • <
          • <>,!=
          • <=
          • =
          • BETWEEN ... AND ...
          • IN
          • IS
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          • IS NULL
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          • COALESCE
        • Control Flow Functions
          • Control Flow Functions Overview
          • CASE WHEN
          • IF
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        • Logical Operators
          • Logical Operators Overview
          • AND,&&
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          • OR
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      • System Variables
        • System Variables Overview
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        • Custom Variables
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    • API reference
      • AI Studio
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          • Connector files
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          • Browse databases
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            • List databases
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          • Import tasks
            • List tasks
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            • Delete database
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            • Create SQL workbook
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            • Generate dashboard chart SQL draft
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        • Resource center
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            • Browse resources
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              • List Catalogs
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              • Create a Catalog
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              • Delete a Catalog
              • List Catalog references
            • Databases
              • List databases
              • Get database details
              • Create a database
              • Update a database
              • Delete a database
              • List objects in a database
              • List database tables
              • Run NL2SQL
            • File storage
              • Get volume details
              • Create a volume
              • Update a volume
              • Delete a volume
              • Get the full volume path
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              • Get file details
              • Create a file
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              • Upload a file
              • Preview a file
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              • Create a table
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              • Delete a table
              • Batch get table information
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              • Get a data asset
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              • Batch resolve file artifacts
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              • List knowledge bases
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              • Get knowledge base details
              • Create a knowledge base
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              • Update a knowledge base
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            • Data
              • Upload local files to a knowledge base
              • Upload local files before creating a knowledge base
              • List data
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              • Check whether data has been added
              • Add data
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              • Preview a source file
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              • Create a segment
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              • List processing tasks
              • Reconcile processing task status
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              • List semantic entries
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          • Computing resource specifications
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            • Batch parse workspace names
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            • Delete post
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            • Query subscription list
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          • Get task execution overview
          • List SQL execution records
          • Get SQL execution details
          • Get SQL execution profile
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          • List operation logs
          • Get operation log overview
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              • Create user
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              • Update user status
              • Delete user
            • Roles and audit records
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              • Update user-role bindings
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              • View user tag list
              • Create user tag
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              • View role deletion impact
              • Delete role
            • Role permissions and impact
              • Get the role permission view
              • Get role ownership impact
              • List role audit events
            • Role inheritance
              • List role inheritance relationships
              • Get the role inheritance graph
              • Add role inheritance
              • Remove role inheritance
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              • View data privileges
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              • View data privilege operation
              • Repair data privilege operation
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              • Batch view permission resources
            • Object permissions
              • View object permission view
              • Validate object authorization
              • Apply object authorization
            • Application permissions
              • View permission schema
              • View current identity roles
              • Validate application permission policy
              • Apply application permission policy
        • Agents
          • Agent
            • Query the list of agents
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            • Delete agent
            • Query resource binding
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            • Query running strategy
            • Update run policy
            • Query the agent version
            • Delete agent version
            • Set as default version
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            • Bind operating environment
            • Re-coordinate the operating environment
          • Call the agent
            • Get the agent call instructions
            • Called by other agents
            • Call from MCP client
          • Session
            • Query session list
            • Query session details
            • Create session
            • Update session
            • Query session message
          • Agent feedback
            • Inquiry feedback
            • Query feedback statistics
          • Automation tasks
            • Query task list
            • Query task details
            • Create task
            • Update task
            • Archive task
            • Start task running
            • Query operation details
            • Query running events
            • Query the running results
          • Intelligent body construction
            • Generate candidate solutions
            • Query the current agent configuration
            • Regenerate candidate
            • Cancel candidate
            • Confirm candidate
            • Check available resources
          • Channel example
            • Query instance list
            • Query instance details
            • Create instance
            • Update instance
            • Delete instance
            • Test the new configuration
            • Test created instance
          • Agent model configuration
            • List available models
            • Query model configuration list
            • Query model configuration details
            • Create model configuration
            • Update model configuration
          • Run policy configuration
            • Query the running policy list
            • Query running policy details
            • Create run policy
            • Update run policy
          • Agent knowledge base
            • Query knowledge base list
            • Query knowledge base details
            • Create agent knowledge base metadata
            • Update agent knowledge base metadata
          • Tools
            • Query tool list
            • Query tool details
            • Creation tool
            • Update tool
            • Query tool tag
            • Query agents that reference this tool
            • Query GitHub tool connection
            • Save GitHub tool connection
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            • Query Grafana tool connection
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            • Save mail tool connection
            • Delete Mail Tool Connection
            • Generate enterprise WeChat callback key
          • Skills
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            • Create skill
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            • Query skill tag
            • Execution Skills
            • Generate a skill with AI
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            • Import skill package
            • Query skill files
            • Download skill file
            • Query skill version
            • Set the current skill version
            • Query the agent that references this skill
          • Callback rules
            • Query callback rule list
            • Query callback rule details
            • Create callback rule
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            • Delete callback rule
          • Agent task templates
            • Query the list of agent task templates
            • Query the details of the agent task template
            • Create agent task template
            • Update agent task template
          • Agent workflow bindings
            • Query the agent workflow binding list
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            • Create agent workflow binding
            • Update agent workflow binding
          • Runtime providers
            • Query runtime provider list
            • Query runtime provider Profile
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            • Query system agent configuration
            • Query the system agent GitHub project
            • Query system agent GitHub projects for new configuration
            • Update system agent configuration
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            • Load the agent package
            • Export agent package
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            • Query runtime data sharding
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            • Query runtime task events
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          • Asynchronous resource operations
            • Query resource operation list
            • Query resource operation details
            • Cancel resource operation
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            • Query connection list
            • Query connection details
            • Create connection
            • Update connection
            • Probe MCP connection
            • Batch creation MCP tool
      • Prepare to call an API
      • Genesis
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          • List callable models
          • Chat generation (Chat Completions)
            • Create a Chat Completion
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            • Create a Message
            • Count input tokens
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            • Create a Response
            • Retrieve a Response
            • List Response input items
            • Delete a Response
          • Conversation management
            • Create a conversation
            • Retrieve a conversation
            • Update conversation metadata
            • Delete a conversation
            • Create a conversation item
            • List conversation items
            • Retrieve a conversation item
            • Delete a conversation item
          • Embeddings
            • Create an Embedding
          • Document reranking
            • Rerank documents
        • Usage and monitoring
          • Model catalog
            • List the model catalog
            • List the public model catalog
            • List model selection options
            • Get model filter options
            • Get model health
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          • Call usage
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            • Get usage trends
            • Get grouped usage
          • Request logs
            • List request logs
            • Get request log details
            • List upstream request attempts
            • Download a request or response body
          • Local token keys
            • Get local key issuance capability
            • List local token keys
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            • List notifications
            • Get unread notification counts
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            • List notification rules
          • Runtime status
            • Get model runtime status
        • Accounts and billing
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            • List current accounts
            • Get account overview
            • Get billing settings
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            • Get rated usage summary
            • List rated usage records
            • Get cost trends
            • List AI service usage
          • Transactions
            • List transactions
            • List consumption aggregates
          • Bills
            • List monthly bills
            • List monthly bill usage line items
          • Recharges
            • Get recharge options
            • List recharge orders
          • Payment authorizations
            • List payment authorizations
          • Subscriptions
            • List subscription products
            • List subscriptions
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Reference › SQL Reference › Functions › Window Functions

Window Functions¶

  • DENSE_RANK()
  • RANK()
  • ROW_NUMBER()
Last updated on Oct 19, 2026
DENSE_RANK()
UNNEST()
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