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SQL

Character Sets and Collations in General

MySQL collation character-sets

SQL

SQL Aggregate Functions

AVG-Function FIRST-Function LAST-Function COUNT-Function MIN-Function SUM-Function MAX-Function aggregate-functions

SQL

INSERT Query Example

INSERT-statement

SQL

COUNT() Function

COUNT-Function aggregate-functions NULL-values

SQL

The HAVING Clause

HAVING-clause GROUP-BY-clause aggregate-functions

SQL

Phantom reads Example

phantom-read transactions isolation SQL-SERIALIZABLE

SQL

EXAMPLE - EXCLUDES EXPRESSION

SQL

NVL

Oracle NULL-values General-Functions NVL

SQL

The SQL SELECT Statement

SQL

SQL - CASE Function

MySQL CASE-Function

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