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SQL

Example - INNER JOINS

join inner-join

SQL

JOIN, CROSS JOIN, and INNER JOIN in MySQL

join on-clause MySQL cross-join inner-join

SQL

SQL HAVING Example

HAVING-clause COUNT-Function aggregate-functions

SQL

Phantom reads Example

SERIALIZABLE REPEATABLE-READ transactions isolation phantom-read

SQL

NVL2

NULL-values General-Functions NV2

SQL

CREATE Table Example

CREATE-statement DESC-command

SQL

SQL - INNER JOINS

join inner-join

SQL

SQL Aggregate Functions

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

SQL

COUNT() Function

COUNT-Function aggregate-functions NULL-values

SQL

INSERT Query

SELECT-clause INSERT-statement

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