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SQL
Structured Query Language โ queries, joins, aggregations.
๐ 10 Topicsโ 100 Questions
Select a Topic
10 topics available01
Introduction to SQL
10 Questions
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02
DDL Commands (CREATE, ALTER, DROP)
10 Questions
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03
DML Commands (INSERT, UPDATE, DELETE)
10 Questions
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04
SELECT Queries and Filtering
10 Questions
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05
JOINs (INNER, LEFT, RIGHT, FULL)
10 Questions
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06
Aggregate Functions
10 Questions
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07
Subqueries
10 Questions
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08
Indexing and Performance
10 Questions
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09
Stored Procedures and Functions
10 Questions
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10
Transactions and ACID Properties
10 Questions
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