Mysql method of querying a row of data in a table: Use the select statement to query, and use the where condition to select by row. The syntax is [select * from ccc43248daffbac9770dee47fdaff697 where 0945b9ca1141d3b4a671e95b16b4843e].
Mysql method of querying a row of data in a table:
Basic of Select statement Syntax:
Select <列的集合> from <表名> where <条件> order by <排序字段和方式>
If you want to query all the data of a specified row in a table, the query statement can be written as:
select * from <表名> where <条件>
Why is this statement? Let’s briefly analyze it. . So the data actually includes all rows and all columns, so:
1. First, select all columns
The "column set" should include all fields. You can use an asterisk (*) in an SQL statement to refer to all fields.
2. Then select the specified row
Use the where condition to select by row.
Let’s look at an example to query all records in the test table with a t_name value of name2:
mysql> select * from test where t_name='name2'; +------+--------+----------------------------------+------------+ | t_id | t_name | t_password | t_birth | +------+--------+----------------------------------+------------+ | 2 | name2 | 12345678901234567890123456789012 | 2013-01-01 | +------+--------+----------------------------------+------------+ 1 rows in set (0.00 sec)
More related free learning recommendations: mysql tutorial (video)
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