Enter password: ***
Welcome to the MySQL monitor.
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Your MySQL connection id is 6
Server version: 5.0.51b-community-nt-log MySQL Community Edition (GPL)
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql> create database productoss1;
Query OK, 1 row affected (0.00 sec)
mysql> use productoss1;
Database changed
mysql> create table productoss(codigo varchar(3),nombre
varchar(30),precio decim
al(6,2),fechaalta date,primary key(codigo));
Query OK, 0 rows affected (0.15 sec)
mysql> insert into productoss
values('a01','afilador'´,'250','200/11/02');
mysql> insert into productoss
values('a01','afilador',250,'2007/11/02');)
Query OK, 1 row affected (0.24 sec)
mysql>
mysql> insert into productoss values('s01','silla
mod.zaz',20,'2007/11/03');
Query OK, 1 row affected (0.00 sec)
mysql> insert into productoss values('s02','silla
mod.xax','25','2007/11/03');
Query OK, 1 row affected (0.00 sec)
mysql> select*from
productoss;
+--------+---------------+--------+------------+
| codigo |
nombre | precio | fechaalta |
+--------+---------------+--------+------------+
| a01 | afilador | 250.00 | 2007-11-02 |
| s01 | silla mod.zaz | 20.00 | 2007-11-03 |
| s02 | silla mod.xax | 25.00 | 2007-11-03 |
+--------+---------------+--------+------------+
3 rows in set (0.02 sec)
mysql> select*from productoss where nombre='afilador';
+--------+----------+--------+------------+
| codigo |
nombre | precio | fechaalta |
+--------+----------+--------+------------+
| a01 | afilador | 250.00 | 2007-11-02 |
+--------+----------+--------+------------+
1 row in set (0.04 sec)
mysql> select*from productoss where nombre like 's%';
+--------+---------------+--------+------------+
| codigo |
nombre | precio | fechaalta |
+--------+---------------+--------+------------+
| s01 | silla mod.zaz | 20.00 | 2007-11-03 |
| s02 | silla mod.xax | 25.00 | 2007-11-03 |
+--------+---------------+--------+------------+
2 rows in set (0.00 sec)
mysql> select
nombre,precio from productoss where precio>22;
+---------------+--------+
| nombre | precio |
+---------------+--------+
| afilador | 250.00 |
| silla mod.xax | 25.00 |
+---------------+--------+
2 rows in set (0.00 sec)
mysql> select avg(precio)from productoss where
left(nombre,5)='silla?;
select avg(precio)from productoss where left(nombre,5)='silla'' at line
1
mysql> select avg(precio) from productoss where
left(nombre,5)='Silla';
+-------------+
| avg(precio) |
+-------------+
| 22.500000 |
+-------------+
1 row in set (0.02 sec)
mysql> alter table productoss add categoria varchar(10);
Query OK, 3 rows affected (0.05 sec)
Records: 3 Duplicates: 0 Warnings: 0
mysql> select*from productoss;
+--------+---------------+--------+------------+-----------+
| codigo |
nombre | precio | fechaalta | categoria |
+--------+---------------+--------+------------+-----------+
| a01 | afilador | 250.00 | 2007-11-02 | NULL |
| s01 | silla mod.zaz | 20.00 | 2007-11-03 | NULL |
| s02 | silla mod.xax | 25.00 | 2007-11-03 | NULL |
+--------+---------------+--------+------------+-----------+
3 rows in set (0.00 sec)
mysql> update productoss set categoria='utensilio';
Query OK, 3 rows affected (0.02 sec)
Rows matched: 3 Changed: 3 Warnings: 0
mysql> update productoss set categoria="silla"where
left(nombre,5)='silla';
Query OK, 2 rows affected (0.03 sec)
Rows matched: 2 Changed: 2 Warnings: 0
mysql> update productoss set categoria="silla"where
left(nombre,5)='Silla';
Query OK, 0 rows affected (0.00 sec)
Rows matched: 2 Changed: 0 Warnings: 0
mysql> select distinct categoria from productoss;
+-----------+
| categoria |
+-----------+
| utensilio |
| silla |
+-----------+
2 rows in set (0.00 sec)
mysql> select categoria,count(*)from productoss group by categoria;
+-----------+----------+
| categoria | count(*) |
+-----------+----------+
| silla | 2 |
| utensilio | 1 |
+-----------+----------+
2 rows in set (0.00 sec)
mysql>
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