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MatrixOne v0.6.0 Documentation
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System variable

 Github  来源:MatrixOne 浏览 107 扫码 分享 2023-07-11 19:38:37
  • Custom variable
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  • Overview
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    • Basic SQL
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      • Overview
      • Create Database
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    • Data Integrity
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    • Connect to MatrixOne
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    • Read Data
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      • General Transaction Overview
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      • Deploy MatrixOne Cluster on Kubernetes Overview
      • What is MatrixOne Operator
      • Using MatrixOne Operator deploy MatrixOne Cluster
      • Configure shared memory for MatrixOne
  • Tutorials
    • Build a Java CRUD demo
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    • Build a CRUD demo with SpringBoot and MyBatis
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    • Build a simple Python CRUD demo
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    • Understanding the Query Execution Plan
      • Query Execution Plan Overview
      • Using EXPLAIN to learn the execution plan
      • Explain Statements Using JOIN
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      • Privileges Management User guide
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    • SQL Reference
      • Data Definition Language
        • CREATE DATABASE
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      • Data Manipulation Language
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        • OPERATORS
          • OPERATORS Overview
          • OPERATORS Precedence
          • Arithmetic Operators
            • Arithmetic Operators Overview
            • %,MOD
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          • Assignment Operators
            • Assignment Operators Overview
            • \=
          • Bit Functions and Operators
            • Bit Functions and Operators Overview
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          • Cast Functions and Operators
            • Cast Functions and Operators Overview
            • CAST
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          • Comparison Functions and Operators
            • Comparison Functions and Operators Overview
            • >
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            • IS
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            • COALESCE
          • Flow Control Functions
            • Flow Control Functions Overview
            • CASE WHEN
            • IF
          • Logical Operators
            • Logical Operators Overview
            • AND,&&
            • NOT,!
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      • Data Query Language
        • SELECT
        • SUBQUERY
          • SUBQUERY Overview
          • Derived Tables
          • Comparisons Using Subqueries
          • SUBQUERY with ANY or SOME
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          • SUBQUERY with EXISTS
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        • JOIN
          • JOIN Overview
          • INNER JOIN
          • LEFT JOIN
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          • FULL JOIN
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          • NATURAL JOIN
        • With CTE
        • Combining Queries
          • Combining Queries Overview
          • UNION
          • INTERSECT
          • MINUS
      • Data Control Language
        • CREATE ACCOUNT
        • CREATE ROLE
        • CREATE USER
        • DROP ACCOUNT
        • DROP USER
        • DROP ROLE
        • GRANT
        • REVOKE
      • Other
        • SHOW
          • SHOW DATABASES Statement
          • SHOW TABLES Statement
          • SHOW GRANT
        • SET
          • SET ROLE
        • USE
          • USE DATABASE
        • Prepared Statements
          • Prepared Statements Overview
          • PREPARE
          • EXECUTE
          • DEALLOCATE
        • Explain
          • EXPLAIN
          • EXPLAIN Output Format
          • Explain Analyze
      • Aggregate Functions
        • AVG
        • COUNT
        • MAX
        • MIN
        • SUM
        • ANY_VALUE
        • BIT_AND
        • BIT_OR
        • BIT_XOR
        • STDDEV_POP
        • VAR
      • System variable
        • Custom variable
    • Data Types
      • Data Types Overview
      • Data Type Conversion
      • Timestamp Initialization
      • JSON Data Type
      • BLOB and TEXT Type
      • Fixed-Point Types (Exact Value) - DECIMAL
    • Builtin Functions
      • Mathematical
        • ABS()
        • SIN()
        • COS()
        • TAN()
        • COT()
        • ACOS()
        • ATAN()
        • SINH()
        • FLOOR()
        • ROUND()
        • CEIL()
        • POWER()
        • PI()
        • LOG()
        • LN()
        • UUID()
        • EXP()
      • Datetime
        • DATE_FORMAT()
        • YEAR()
        • MONTH()
        • DATE()
        • WEEKDAY()
        • TIMESTAMP()
        • DAYOFYEAR()
        • EXTRACT()
        • DATE_ADD()
        • DATE_SUB()
        • TO_DATE()
        • DAY()
        • UNIX_TIMESTAMP
        • FROM_UNIXTIME
        • UTC_TIMESTAMP()
        • CURRENT_TIMESTAMP()
        • TIMEDIFF()
        • DATEDIFF()
      • String
        • BIN()
        • BIT_LENGTH()
        • HEX()
        • CONCAT_WS()
        • FIND_IN_SET()
        • OCT()
        • EMPTY()
        • LENGTH()
        • CHAR_LENGTH()
        • LTRIM()
        • RTRIM()
        • LPAD()
        • RPAD()
        • STARTSWITH()
        • ENDSWITH()
        • SUBSTRING()
        • SPACE()
        • REVERSE()
    • System Paramaters
      • Boot Parameters for standalone installation
      • Time Zone Support
    • MatrixOne Catalog
    • Privilege Control Types
    • Limitations
      • JDBC supported features list
      • Partitioning supported features list
    • MatrixOne Directory Structure
  • Troubleshooting
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    • Common statistic data query
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    • v0.6.0
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  • Glossary
  • Contribution Guide
    • Make Your First Contribution
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