mysql5.7 a row of the specified data in a column in the Base Update table

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Operating System:ubuntukylin 16.04 LTS 64bit
Mysql:ver 14.14 Distrib 5.7.17, for Linux (x86_64) using Editline Wrapper

Login:

Show all the databases:

Enter the specified database:

[email protected]:~$ mysql -u root -penter password: welcome to  The mysql monitor.  commands end with ; or \g.your mysql  connection id is 14Server version: 5.7.17-0ubuntu0.16.04.1  (Ubuntu) copyright  (c)  2000, 2016, Oracle and/or its affiliates. All  Rights reserved. oracle is a registered trademark of oracle corporation and/or  Itsaffiliates. other names may be trademarks of their respectiveowners . type  ' help; '  or  ' \h '  for help. Type  ' \c '  to clear the current input  statement.mysql> show databases;+--------------------+| database            |+--------------------+| information_schema | |  myfirstdb          | |  mysql              | |  performance_schema | |  phpmyadmin         | |  sys                |+--- -----------------+6 rows in set  (0.00 sec) mysql> use myfirstdbreading  table information for completion of table and column namesyou  can turn off this feature to get a quicker startup  With -adatabase changed

To view all tables under the current database:

View all the contents of the specified table:

Mysql> Show tables;+---------------------+| Tables_in_myfirstdb |+---------------------+| firsttable | | Personalinformation |+---------------------+2 rows in Set (0.00 sec) mysql> SELECT * FROM personalinformation;+------+ ---------------+| Nid |    Name |+------+---------------+| 1 | Xinjinzhigang |+------+---------------+1 row in Set (0.00 sec)

Update a row of the specified data in a column in a table:

Code

mysql> Update personalinformation set name= ' Xinjinrushui ' where nid = 1; The name value of the row in the Personalinformation column =1 #更新 The table is changed to Xinjingrushui

Result

Query OK, 1 row affected (0.06 sec) Rows matched:1 changed:1 warnings:0

To view all the data in a table:

Exit:

Mysql> SELECT * FROM personalinformation;+------+--------------+| Nid |    Name |+------+--------------+| 1 | Xinjinrushui |+------+--------------+1 row in Set (0.00 sec) mysql> Exitbye[email protected]:~$

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mysql5.7 a row of the specified data in a column in the Base Update table