如何在 MySQL 中按大寫或小寫字母搜尋單詞?
您可以在 LIKE 運算子中使用 BINARY。我們首先建立一個表格 –
mysql> create table DemoTable ( Header text ); Query OK, 0 rows affected (1.09 sec)
使用 insert 命令在表格中插入記錄 –
mysql> insert into DemoTable values('Programming tutorials on MySQL');
Query OK, 1 row affected (0.11 sec)
mysql> insert into DemoTable values('programming in Java language');
Query OK, 1 row affected (0.14 sec)
mysql> insert into DemoTable values('Program in C language');
Query OK, 1 row affected (0.15 sec)
mysql> insert into DemoTable values('pRograMMing in Python language');
Query OK, 1 row affected (0.41 sec)使用 select 語句從表格中顯示所有記錄 –
mysql> select * from DemoTable;
這將生成以下輸出 –
+--------------------------------+ | Header | +--------------------------------+ | Programming tutorials on MySQL | | programming in Java language | | Program in C language | | pRograMMing in Python language | +--------------------------------+ 4 rows in set (0.00 sec)
以下是如何按小寫字母搜尋單詞的查詢 –
mysql> select * from DemoTable where binary Header like '%programming%';
這將生成以下輸出 –
+------------------------------+ | Header | +------------------------------+ | programming in Java language | +------------------------------+ 1 row in set (0.05 sec)
注意:如果您想按大寫字母搜尋單詞,則需要在 LIKE 運算子中新增單詞。
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