20261026

Question1/MySQL SQL問題集 part1.sql

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+--<EFBFBD><EFBFBD><EFBFBD>P
+CREATE TABLE book_table (
+    book_id INT,
+    book_name VARCHAR(50),
+    author_name VARCHAR(50),
+    price INT,
+    sales_flag INT
+);
+
+--<EFBFBD><EFBFBD><EFBFBD>Q
+INSERT INTO book_table VALUES(10001,'TwoPeace','<EFBFBD>O<EFBFBD>c<EFBFBD>p<EFBFBD><EFBFBD><EFBFBD>Y',420,1);
+INSERT INTO book_table VALUES(10002,'<EFBFBD><EFBFBD><EFBFBD>T<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>c<EFBFBD><EFBFBD>','<EFBFBD>ŽR<EFBFBD>ӂ݂<EFBFBD>',460,1);
+INSERT INTO book_table VALUES(20001,'<EFBFBD>V<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>','<EFBFBD>~<7E>ڟ<EFBFBD><DA9F><EFBFBD>',460,1);
+INSERT INTO book_table VALUES(30001,'<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>^','<EFBFBD>s<EFBFBD><EFBFBD>',1000,1);
+INSERT INTO book_table VALUES(40010,'<EFBFBD><EFBFBD><EFBFBD>y<EFBFBD>͌<EFBFBD><EFBFBD>ł<EFBFBD><EFBFBD><EFBFBD>','<EFBFBD>~<7E>ڟ<EFBFBD><DA9F><EFBFBD>',420,1);
+
+--<EFBFBD><EFBFBD><EFBFBD>R
+SELECT book_name,author_name FROM book_table;
+
+--<EFBFBD><EFBFBD><EFBFBD>S
+UPDATE book_table 
+SET author_name = '<EFBFBD>}<7D>[<5B><><EFBFBD><EFBFBD><EFBFBD>R<EFBFBD>[<5B><><EFBFBD>|<7C><>',
+    sales_flag = 0
+WHERE book_id = 30001;
+
+--<EFBFBD><EFBFBD><EFBFBD>T
+SELECT * FROM book_table
+WHERE sales_flag = 1;
+
+--<EFBFBD><EFBFBD><EFBFBD>U
+SELECT * FROM book_table
+WHERE author_name = '<EFBFBD>~<7E>ڟ<EFBFBD><DA9F><EFBFBD>' AND price = 420;
+
+--<EFBFBD><EFBFBD><EFBFBD>V
+DELETE FROM book_table
+WHERE book_id = 20001;