Φιλτράρισμα Δεδομένων με Χρήση Γλώσσας Ερωτημάτων 1

1.1.56 Use a Query Language to perform advanced filtering and sorting in a relational database

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Summary

Microcredential

1.1.D.3 Filtering Data using a Query Language

1. Information and Data Literacy
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About this course

Competence Area
1. Information and Data Literacy
Competence
1.1 Browsing, searching and filtering data, information and digital content
Content Type
Youtubecourse
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Instructor

Nikos Mandrekas

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What you'll learn

Σήμερα ξεκινάμε με τα βασικά της SQL. Θα καλύψουμε τη σύνταξη απλών ερωτημάτων SELECT, την αφαίρεση διπλότυπων χρησιμοποιώντας DISTINCT και τον τρόπο με τον οποίο μπορείτε να κάνετε τα ερωτήματά σας πιο ευανάγνωστα με ψευδώνυμα στηλών και πινάκων.

Learning outcome

1.1.56 Use a Query Language to perform advanced filtering and sorting in a relational database

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