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String
match split trim replace toLower toUpper test toString match RegExp → String → [String | Undefined] Parameters rxA regular expression. strThe string to match against... -
Configuration
Spark Configuration Catalogs Spark adds an API to plug in table catalogs that are used to load, create, and manage Iceberg tables. Spark catalogs are configured by setting Spark ... -
告警
告警组件向导 Email Telegram 钉钉 企业微信 WebexTeams Script 脚本 HTTP 告警 飞书 Slack 阿里云-语音告警 -
Configuring SAM and Schema Registry Metadata Stores in MySQL
Steps Steps Launch the MySQL monitor: mysql - u root - p Create the database for Schema Registry and SAM metastore: create database registry ; create database st... -
Cypher in SQL expressions
Using Cypher with ‘=’ Working with Postgres’s IN Clause Working with the Postgres EXISTS Clause Querying Multiple Graphs Cypher cannot be used in an expression— the query must... -
TDengine
Description Key features Options url [string] username [string] password [string] database [string] stable [string] lower_bound [long] upper_bound [long] Example source ... -
SET
Terminal SET clauses Set a property Return created vertex Remove a property Set multiple properties using one SET clause The SET clause is used to update labels and properti... -
String
match split trim replace toLower toUpper test toString match RegExp → String → [String | Undefined] Parameters rxA regular expression. strThe string to match against... -
Java Quickstart
Java API Quickstart Create a table Tables are created using either a Catalog or an implementation of the Tables interface. Using a Hive catalog The Hive catalog connects to... -
在 Postgres 中配置 Druid 和元数据存储
关于此任务 步骤 关于此任务 Druid 和 Superset 需要一个关系数据存储来存储元数据。要为此使用 Postgres，请安装 Postgres 并为 Druid 元存储创建数据库。如果您已经使用 MySQL 创建了数据存储，则无需在 Postgres 中配置其他元数据存储。 步骤 登录 Postgres： sudo su po...
