Ejecute las siguientes sintaxis y describa cual fue el resultado

Ejecute las siguientes sintaxis y describa cual fue el resultado.

Use educa;

Select *

From curso

Where cred=3 ANd cdept = PHIL;

Select *

From curso

Where (ctarifa > = 100) AND ( ctarifa 2000

UNION

Select distinct fab, producto from pedidos where importe > 3000

LIMIT 0, 25

MySQL ha dicho:

#1146 - Table 'educa.productos' doesn't exist

Select sueldo from personal

UNION ALL

Select fsueldo from claustro;

Error

consulta SQL:

Select sueldo from personal

UNION ALL

Select fsueldo from claustro

LIMIT 0, 25

MySQL ha dicho:

#1146 - Table 'empresa.personal' doesn't existUse educa;

Select cdept, cnombre from curso

Order by cdept, cnombre;

Select cnombre, ctarifa, ctarifa/cred AS TARIFA_POR_CREDITO(ctarifa + 25)/cred AS TARIFA_MEDIA_POR_HORA

From curso where cdept = CIS;

Select * from curso

Where not cdept= CIS OR (ctarifa=0 AND cred=3);

MySQL ha dicho:

#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(ctarifa + 25)/cred AS TARIFA_MEDIA_POR_HORAFrom curso where cdept = "CIS"' at line 2Select ctarifa, SUM(cred) AS CREDITOS_TOTALES From curso

Group By ctarifa

Order By ctarifa DESC;

Select cdept, AVG(ctarifa)

From curso

Group by cdept

HAVING AVG(ctarifa)> 100

AND Count (*) < 6;

MySQL ha dicho:

#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '*) < 6LIMIT 0, 25' at line 5