Spark SQL CLI — spark-sql

Caution
FIXME
Tip
Read about Spark SQL CLI in Spark’s official documentation in Running the Spark SQL CLI.
spark-sql> describe function `<>`;
Function: <>
Usage: a <> b - Returns TRUE if a is not equal to b
Tip
Functions are registered in FunctionRegistry.
spark-sql> show functions;
spark-sql> explain extended show tables;

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