10/27

練習問題/サンプル.sql

@@ -0,0 +1,21 @@
+CREATE TABLE emp_table (
+    emp_no   INT,
+    emp_name VARCHAR(50),
+    salary   INT
+);
+
+--<EFBFBD>o<EFBFBD>^
+INSERT INTO emp_table VALUES(1, '<EFBFBD><EFBFBD><EFBFBD><EFBFBD>', 20000);
+INSERT INTO emp_table VALUES(2, '<EFBFBD>c<EFBFBD><EFBFBD>', 50000);
+
+-- <20><><EFBFBD><EFBFBD>
+SELECT * FROM emp_table;
+SELECT * FROM emp_table; WHERE emp_no = 1; 
+
+--<EFBFBD>X<EFBFBD>V
+UPDATE emp_table SET salary = 100;
+SELECT * FROM emp_table;
+
+--<EFBFBD>폜
+DELETE FROM emp_table;
+SELECT * FROM emp_table;