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mysql_1

时间：2021-07-01 10:21:17 帮助过：2人阅读

+---------------------+
| NOW()               |
+---------------------+
| 2015-11-07 10:29:04 |
+---------------------+
1 row in set (0.00 sec)
mysql> select NOW(),USER(),VERSION();
+---------------------+----------------+-----------------+
| NOW()               | USER()         | VERSION()       |
+---------------------+----------------+-----------------+
| 2015-11-07 10:32:18 | root@localhost | 5.5.35-1ubuntu1 |
+---------------------+----------------+-----------------+
1 row in set (0.00 sec)

mysql> select NOW(),USER(),VERSION()\g
+---------------------+----------------+-----------------+
| NOW()               | USER()         | VERSION()       |
+---------------------+----------------+-----------------+
| 2015-11-07 10:35:37 | root@localhost | 5.5.35-1ubuntu1 |
+---------------------+----------------+-----------------+
1 row in set (0.00 sec)

mysql> select NOW(),USER(),VERSION()\G
*************************** 1. row ***************************
    NOW(): 2015-11-07 10:35:41
   USER(): root@localhost
VERSION(): 5.5.35-1ubuntu1
1 row in set (0.00 sec)
取消
mysql> select user(),
    -> now(),
    -> \c
mysql>

创建数据库

mysql> create database sampdb;
Query OK, 1 row affected (0.02 sec)

mysql> select database();
+------------+
| database() |
+------------+
| NULL |
+------------+
1 row in set (0.00 sec)

mysql> use sampdb; $mysql sampdb -u root -p

$mysql -h hostname -u root -p sampdb

mysql> select database();
Database changed

+------------+
| database() |
+------------+
| sampdb |
+------------+
1 row in set (0.00 sec)

mysql_1

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mysql_1

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