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Configuring Druid and Superset Metadata Stores in MySQL
About This Task Steps About This Task Druid and Superset require a relational data store to store metadata. To use MySQL for this, install MySQL and create a database for the D... -
Unity Catalog
Syncing to Unity Catalog This document walks through the steps to register an Apache XTable™ (Incubating) synced Delta table in Unity Catalog on Databricks and open-source Unity C... -
Logic
and isEmpty not or cond ifElse allPass anyPass defaultTo both complement either propSatisfies unless when pathSatisfies until and a → b → a | b Added in v0.1.... -
4.3 Access the document metadata in R code
When an Rmd document is compiled, all of its metadata in the YAML section will be stored in the list object rmarkdown::metadata . For example, rmarkdown::metadata$title gives you... -
Logic
and isEmpty not or cond ifElse allPass anyPass defaultTo both complement either propSatisfies unless when pathSatisfies until and a → b → a | b Added in v0.1.... -
String
match split trim replace toLower toUpper test toString match RegExp → String → [String | Undefined] Parameters rxA regular expression. strThe string to match against... -
Administrator CLI
Usage Manage kyuubi servers List server Create server Get server Delete server Manage kyuubi engines List engine Get engine Delete engine Usage bin / kyuubi - ctl -- h... -
Install, Start and Test
Next Step The progress of the install displays on the screen. Ambari installs, starts, and runs a simple test on each component. Overall status of the process displays in progres... -
RETURN
Return nodes Return edges Return property Return all elements Variable with uncommon characters Aliasing a field Optional properties Other expressions Unique results In t... -
DDL
Spark DDL To use Iceberg in Spark, first configure Spark catalogs . Iceberg uses Apache Spark’s DataSourceV2 API for data source and catalog implementations. CREATE TABLE Spark...
