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

Asynchronous Replication 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

Aggregate Functions

Metaprogramming

Window Functions

Cumulative Window Functions

TopN Functions

TA-lib Functions

Moving Window Functions

Time-Based Moving Window Functions

Flexible Window Functions