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    SQL Quick Reference Guide

    Statements

    SELECT [ DISTINCT ] * | LIST OF COLUMNS, FUNCTIONS, CONSTANTS
       FROM LIST OF TABLES OR VIEWS
       [ WHERE CONDITION(S) ]
       [ ORDER BY ORDERING COLUMN(S) [ ASC | DESC ] ]
       [ GROUP BY GROUPING COLUMN(S) ]
       [ HAVING CONDITION(S) ]
    

    DELETE FROM TABLE NAME
       [ WHERE CONDITION(S) ]

    INSERT INTO TABLE NAME
       [ (COLUMN LIST) ]
       VALUES (VALUE LIST)

    UPDATE TABLE NAME
       SET COLUMN NAME = VALUE
       [ WHERE CONDITION ]

    Functions

    Function Purpose
    SUM Total of the values in a field.
    AVG Average of the values in a field.
    MIN Lowest value in a field.
    MAX Highest value in a field.
    COUNT Number of values in a field, not counting Null (blank) values.

    Predicates

    Predicate Description
    BETWEEN ... AND Compares a value to a range formed by two values.
    IN Determines whether a value exists in a list of values or a table.
    LIKE Compares, in part or in whole, one value with another.
    JOIN Joins two tables.

    Data Definition

    CREATE TABLE TABLE_NAME
       ( COLUMN_NAME DATA_TYPE [(SIZE)] COLUMN_CONSTRAINT,
       [, other column definitions,...]
       [, primary key constraint]
       )

    ALTER TABLE TABLE_NAME ADD | DROP | MODIFY
       ( COLUMN_NAME DATA_TYPE [(SIZE)] COLUMN_CONSTRAINT,
       [, other column definitions,...]
       )

    DROP TABLE TABLE_NAME

    CREATE [UNIQUE] [ASC | DESC] INDEX INDEX_NAME
       ON TABLE_NAME ( COLUMN_LIST )

    DROP INDEX INDEX_NAME ON TABLE_NAME

    CREATE VIEW VIEW_NAME AS QUERY_NAME

    CONSTRAINT CONSTRAINT_NAME
        {PRIMARY KEY | UNIQUE | NOT NULL |
        REFERENCES FOREIGN_TABLE [(FIELD_LIST)]}


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