strange database error

[silvermcd]

i had this database error

2010-05-25 01:12:18 ERROR:[1742 ms] SQL: SELECT DISTINCT(ScriptName) FROM creature_template WHERE ScriptName <> '' UNION SELECT DISTINCT(ScriptName) FROM gameobject_template WHERE ScriptName <> '' UNION SELECT DISTINCT(ScriptName) FROM item_template WHERE ScriptName <> '' UNION SELECT DISTINCT(ScriptName) FROM areatrigger_scripts WHERE ScriptName <> '' UNION SELECT DISTINCT(script) FROM instance_template WHERE script <> ''

i dont know what this mean, anyone knows?

[lecails]

i had this database error

2010-05-25 01:12:18 ERROR:[1742 ms] SQL: SELECT DISTINCT(ScriptName) FROM creature_template WHERE ScriptName <> '' UNION SELECT DISTINCT(ScriptName) FROM gameobject_template WHERE ScriptName <> '' UNION SELECT DISTINCT(ScriptName) FROM item_template WHERE ScriptName <> '' UNION SELECT DISTINCT(ScriptName) FROM areatrigger_scripts WHERE ScriptName <> '' UNION SELECT DISTINCT(script) FROM instance_template WHERE script <> ''

i dont know what this mean, anyone knows?

Your query is too long and the time for executed is so long (1742 ms),try improve more precisely your query .