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SQL. Problems and Solutions

Introduction
Common mistakes in solving SELECT statement exercises
SQL data manipulation language
- SELECT statement
- Data modification statements
Prepare for the second stage of testing
New sql features
Notes about data types
Data Definition Language (SQL DDL)
Optimizing
Graph databases
- SQL Server graph databases
- Querying graph database data
Appendixes
Finally
List of cited sources

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SQL. Problems and Solutions

New sql features

New sql features

MERGE statement
Ranking functions
Window functions
CROSS APPLY / OUTER APPLY
CONCAT function
PIVOT and UNPIVOT Operators
Common table expressions (CTE)
EOMONTH function
STRING_AGG function
STRING_SPLIT function
CHOOSE function
TRANSLATE function

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