What Is a User Interface (UI) Designer?
February 12, 2025
Article
Recommended experience
Intermediate level
Anfänger-SQL-Kenntnisse (SELECT-Abfragen)
Recommended experience
Intermediate level
Anfänger-SQL-Kenntnisse (SELECT-Abfragen)
Eindeutigkeit der Ergebnispräsentation sicherstellen und mit fehlenden Werten umgehen
mächtige SQL-Filter erstellen, die verborgenes Wissen offen legen
lernen, fortgeschrittene Spaltensortierungen zu bauen
Add to your LinkedIn profile
Only available on desktop
In diesem Projekt wirst du deine grundlegenden SQL-Kenntnisse auf Filterungen und Sortierungen erweitern! Filter durch Operatoren in SQL-Abfragen stellen sicher, dass nur die benötigten Daten im Ergebnis erscheinen. Sortierungen werden angewendet, um die Zeilen im Ergebnis so anzuordnen, dass der Nutzen für den Endbenutzer maximiert wird. Indem du Code zum Sortieren und Filtern in eine SQL-Abfrage steckst, machst du die Datenanalyse einfacher und ermöglichst effektivere Entscheidungen. Du solltest schon grundlegende Kenntnisse der SQL-Syntax mitbringen, z.B. wie du eine SELECT-Abfrage schreibst.
In a video that plays in a split-screen with your work area, your instructor will walk you through these steps:
Doppelungen vermeiden und mit fehlenden Werten umgehen (DISTINCT, IS NULL)
Fortgeschrittene Vergleichsoperatoren verwenden (LIKE, IN, BETWEEN)
Einfache Vergleichsoperatoren und Filter verbinden
Verschiedene Sortierungen in der gleichen Spalte anwenden
Capstone: Zielgruppenrecherche für Marketing (optional)
Anfänger-SQL-Kenntnisse (SELECT-Abfragen)
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