Insert Sring on Database : Please help me to :

Insert Sring (Sting Inherited from Edit Text) to database by SQLite 



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     String et11 = et1.getText().toString();
                        String et22 = et2.getText().toString();

                        db.execSQL("INSERT INTO ZAKHIRE (USER , PAS) VALUES ( " + et11 + et22 +")");

                        db.close();

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