SQL for Data Engineers
SQL is the fastest way to access data, but bad SQL can slow down even the fastest database.
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Wähle deine bevorzugte Datenbank:
BigQuery
Clickhouse
DuckDB
Exasol
Oracle
PostgreSQL
Redshift
Snowflake
Synapse
SQL Features
Themen rund um SQL-Features im BI-/DWH-Kontext.
Window Functions
ASOF JOIN
QUALIFY