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SQL

INSERT Query Example

INSERT-statement

SQL

The DROP INDEX Statement

MySQL DB2 DROP-statement Oracle SQL-server MS-Access DROP-INDEX

SQL

SQL - CREATE Table

CREATE-statement

SQL

Logical Operators - Part1

operators logical-operators

SQL

SQL Query Order of Operations

SELECT-clause GROUP-BY-clause FROM-clause order-of-operations WHERE-clause HAVING-clause ORDER-BY-clause queries

SQL

COALESCE

General-Functions COALESCE IF-ELSEIF-ENDIF

SQL

Phantom reads Example

phantom-read transactions isolation SQL-SERIALIZABLE

SQL

SQL UNIQUE Constraint

unique-key primary-key constraints

SQL

TOP clause

limit-keyword TOP-clause ROWNUM

SQL

SELECT ROWNUM example

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