Categories
Besides the functions listed in this page, DolphinDB also provides Higher-Order Functions
Timer Functions
Data Types and Data Forms
Basic Data Types
Literal Data Types
Special Data Types
Temporal Data Types
Vector
Pair
Matrix
Set
Dictionary
Data Type / Data Form Checkers
Conversion Functions
JSON
Excel
Character Encoding / Decoding
Data Type Conversion
String Case Conversion
Rounding
Angle Conversion
Base Conversion
Data Type Conversion with Specified Format
High Bytes / Low Bytes
Encryption
Vector
Vector Operations
Vector Creation
Cut
Deletion
Filtering
Accessing Vector
Move
Join
Replacement
Vector Computation
Tuple
Set
Matrix
Matrix Creation
Computation
Decomposition
Accessing Matrix
Combination
Rearrangement
Dictionary
Dictionary Creation
Accessing Dictionary
Update
Transpose
String
String Creation
Accessing String
Concatenation
Padding
Trimming / Stripping
Spliting
Counting
Replacement
Database and Table
Cluster
Configuration
Node Management
Data Recovery
Data Rebalancing
Replica Management
Cross-Cluster Asynchronous Replication
Parallel Computing
Backup / Restore
Database
Creation / Deletion
Configuration
Table
Row / Column
Creation / Deletion
Saving Table to Disk
Table Update
Accessing Columns
Accessing Rows
Replay
Table Joiners
Function View
Partitioning
Data / Plugin Loading
Data Appending
Data Update
Data Deletion
SQL Keywords
Remote Connection
Anomaly Detection
Data Source Operations
Streaming
Stream Table Creation
Stream Table Operations
Stream Table Configuration and Management
Stream Engines
Basic Functions
Sign of a Number
Operators
Square and Square Root
Logarithm
Natural Exponential
Shift Operations
Others
Logical Functions
Basic Logical Operations
Bitwise Operations
Comparison Operations
Trigonometric functions
Cosine
Sine
Tangent
Linear Planning
Statistical Functions
Median
Variance
Covariance
Standard Deviation
Quantile
Maximum / Minimum
Peak / Valley
Average
Correlation
Autocorrelation
Sum
Deviation
Kurtosis / Skew
Least Squares Estimation
Mutual Information
Spearman Rank Correlation Coefficient
Data Manipulation
Winsorizing
Resampling
TA-lib
Copy
Pack/Unpack
Data Analysis
MapReduce
Data Compression
Machine Learning
Model
Classifier / Network
Least Squares Regression
Get Information
Node Information
Database Information
Streaming Computating Information
Session Information
Job Information
SQL Query Information
Transaction Information
Access Control Information
Garbage Collection Information
System Information
License
Access Control
Get Access Information
User Management
Creation and Deletion of Users / User Groups
Privileges
Job Management
Operations
Configuration
Get Job Information
Script Management
Session
Variable
Function
Programming Keywrords
Script Execution
Result Printing
Module
Memory Cleanup
Plugin
DevOps
File Reading / Writing / Deletion
Database/Table Management
System Management
Row-Based Functions
Plot
Validation Functions
Boolean Checker
NULL Value Checker
NaN/Inf Checker
Peak / Valley Checker
Checking If Value Exists in Range
String Checker
Vector Checker
Time Checker
Conditional Validation
Other Validation Functions
Filling
NULL Value Filling
Value Filling
Sorting / Finding / Grouping
Sorting
Finding
Grouping
Order-Sensitive Functions
deltas ratios ffill move prev next iterate ewmMean ewmVar ewmStd ewmCov ewmCorr prevState