diff --git a/index.sql b/index.sql
new file mode 100644
index 0000000..36df306
--- /dev/null
+++ b/index.sql
@@ -0,0 +1,25 @@
+USE Study
+GO
+
+-- °íÀ¯ À妽º
+CREATE UNIQUE INDEX idx_dname_unique
+ON DEPARTMENT(DNAME)
+
+-- ºñ°íÀ¯ À妽º
+CREATE INDEX idx_loc
+ON DEPARTMENT(LOC)
+
+-- °áÇÕÀ妽º
+CREATE INDEX idx_dno_salary
+ON EMPLOYEE(DNO, SALARY)
+
+-- DESCENDING INDEX
+CREATE INDEX idx_dno_asc_salary_desc
+ON EMPLOYEE(DNO, SALARY DESC)
+
+-- ½ÇÇà°èȹ
+SELECT * FROM EMPLOYEE WHERE ENAME = 'e1'
+
+CREATE INDEX idx_ename ON EMPLOYEE(ENAME)
+
+SELECT * FROM EMPLOYEE WITH(INDEX = idx_ename) WHERE ENAME = 'e1' -- °­Á¦ À妽º ÂüÁ¶
\ No newline at end of file
diff --git a/view.sql b/view.sql
new file mode 100644
index 0000000..e69de29