SQL & Relational Databases — SeniorCovers SQL query writing, normalization, indexing, and relational database design senior SQL interviews focus on.Preço: R$ 135,35. 100 perguntas publicadas neste pacote.Objetivos

SQL Basics

Joins

Subqueries & CTEs

Window Functions

Data Modeling & Normalization

Indexing

Query Optimization

Transactions & Concurrency

Constraints & Integrity

Database Design & Performance at Scale

Conteúdo programáticoSQL BasicsJoinsSubqueries & CTEsWindow FunctionsData Modeling & NormalizationIndexingQuery OptimizationTransactions & ConcurrencyConstraints & IntegrityDatabase Design & Performance at ScalePerguntas de exemplo

What is the logical order of execution of a SELECT statement's clauses?

What is the difference between WHERE and HAVING?

What is the difference between DISTINCT and GROUP BY?

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