Convert MySQL tables to Microsoft tables

Thanks.

I've modified tables and I got below error. Please correct me.
Error:
Msg 1018, Level 15, State 1, Line 7
Incorrect syntax near 'INDEX'. If this is intended as a part of a table hint, A WITH keyword and parenthesis are now required.
Msg 102, Level 15, State 1, Line 13
Incorrect syntax near 'ACTION'.
Msg 102, Level 15, State 1, Line 15
Incorrect syntax near 'ACTION'.
Msg 102, Level 15, State 1, Line 18
Incorrect syntax near 'ACTION'.

IF EXISTS (SELECT name FROM sys.tables WHERE name='AUTH_ROLE_FUNC_AR_REL') 
DROP TABLE AUTH_ROLE_FUNC_AR_REL
GO
CREATE TABLE AUTH_ROLE_FUNC_AR_REL 
(
    [AUTH_ROLE_ID] VARCHAR(20) NOT NULL,
    [AUTH_FUNCTION_ID] VARCHAR(20) NOT NULL,
    [AUTH_ACCESSRIGHT_ID] VARCHAR(20) NOT NULL,
    [ACTIVE] TINYINT NOT NULL DEFAULT 1,
    INDEX [fk_ROLE_FUNC_AR_REL_AUTH_ROLE1_idx] ([AUTH_ROLE_ID] ASC),
    PRIMARY KEY ([AUTH_ROLE_ID] , [AUTH_FUNCTION_ID], [AUTH_ACCESSRIGHT_ID]),
    INDEX [fk_AUTH_ROLE_FUNC_AR_REL_AUTH_FUNCTION1_idx] ([AUTH_FUNCTION_ID] ASC),
    INDEX [fk_AUTH_ROLE_FUNC_AR_REL_AUTH_ACCESSRIGHT1_idx] ([AUTH_ACCESSRIGHT_ID] ASC),
    CONSTRAINT [fk_ROLE_FUNC_AR_REL_AUTH_ROLE1] FOREIGN KEY ([AUTH_ROLE_ID])
    REFERENCES [AUTH_ROLE] ([ID])
    ON DELETE NO ACTION ON UPDATE NO ACTION,
    CONSTRAINT [fk_AUTH_ROLE_FUNC_AR_REL_AUTH_FUNCTION1] FOREIGN KEY ([AUTH_FUNCTION_ID])
    REFERENCES [AUTH_FUNCTION] ([ID]) ON DELETE NO ACTION ON UPDATE NO ACTION,
    CONSTRAINT [fk_AUTH_ROLE_FUNC_AR_REL_AUTH_ACCESSRIGHT1] FOREIGN KEY ([AUTH_ACCESSRIGHT_ID])
    REFERENCES [AUTH_ACCESSRIGHT] ([ID])
    ON DELETE NO ACTION ON UPDATE NO ACTION
);

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Error:
Msg 1018, Level 15, State 1, Line 11
Incorrect syntax near 'INDEX'. If this is intended as a part of a table hint, A WITH keyword and parenthesis are now required.
Msg 102, Level 15, State 1, Line 13
Incorrect syntax near 'ACTION'.

IF EXISTS (SELECT name FROM sys.tables WHERE name='[USER]') 
DROP TABLE [USER]
GO
CREATE TABLE [USER] (
    ID INT NOT NULL,
    [USERNAME] VARCHAR(50) NOT NULL,
    [PASSWORD] VARCHAR(100) NULL,
    [DISPLAYNAME] VARCHAR(60) NOT NULL,
    [PARENT_ID] VARCHAR(20) NULL DEFAULT NULL,
    [DESIGNATION] VARCHAR(45) NULL,
    [EXTERNAL] TINYINT NOT NULL DEFAULT 0,
    [ACTIVE] TINYINT NOT NULL DEFAULT 1,
    PRIMARY KEY ([ID]),
    INDEX [fk_USER_USER1_idx] ([PARENT_ID] ASC),
    CONSTRAINT [fk_USER_USER1] FOREIGN KEY ([PARENT_ID])
    REFERENCES [USER] ([ID]) ON DELETE NO ACTION ON UPDATE NO ACTION
);

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Second table:


IF OBJECT_ID([USER]) IS NOT NULL
    DROP TABLE [USER]

CREATE TABLE [USER] (
    ID varchar(20) NOT NULL,
    USERNAME varchar(50) NOT NULL,
    PASSWORD varchar(100) NULL,
    DISPLAYNAME varchar(60) NOT NULL,
    PARENT_ID varchar(20) NULL DEFAULT NULL,
    DESIGNATION varchar(45) NULL,
    [EXTERNAL] tinyint NOT NULL DEFAULT 0,
    ACTIVE tinyint NOT NULL DEFAULT 0,
    PRIMARY KEY (ID),
    CONSTRAINT fk_USER_USER1 FOREIGN KEY (PARENT_ID)
        REFERENCES [USER] (ID)
        ON DELETE NO ACTION ON UPDATE NO ACTION
)
CREATE NONCLUSTERED INDEX fk_USER_USER1_idx ON [USER] (PARENT_ID ASC)

I have no idea what:

ENGINE=XYZ1;

means.  SQL Server does not have that clause directly, so you would need to verify if/what SQL Server option replaces that.

MySQL's engine feature has no relevance in MS SQL as far as I can see.

the "Engine" options are  MyISAM, Memory, InnoDB, Archive, NDB which provide different capabilities eg:

		        MyISAM	Memory	InnoDB	Archive	NDB
Storage limits	    	256TB	RAM	64TB	None	384EB
Transactions	    	No	No	Yes	No	Yes
Locking granularity	Table	Table	Row	Table	Row

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for more see
http://dev.mysql.com/doc/refman/5.1/en/storage-engines.html

@Scott surprised there's no suggestion on clustered indexing (to my knowledge there's no equivalent in MySQL)

In SQL Server, the PK will be the clustered index by default.  I have no data with which to suggest a different clustering key(s).

Thanks to all for your help/suggestion.