I\'m not quite sure what this is called, but I\'ve spent some time thinking about it and I\'m not sure how to approach it.I\'m sure it\'s really simple.
On Query 1 a full table scan is being performed even though the id is an indexed column. Query 2 achieves the same result开发者_如何学编程 but much faster. If Query 1 is run returning an indexed colum
开发者_如何学PythonI have the following line in a script and I don\'t understand what the \"using\" part is used for.
Got a c#.net app which I need to modify. The query at the moment effectively does this: select * from contract where contractnum = :ContractNum
I have field X that contains text with spaces in the end of the text. How I can remove them? I need it in any SQL query for ora开发者_StackOverflow中文版cle 10g.Strictly speaking if you want to only
Anyone have a PL-SQL statement that i can use to generate database &开发者_运维问答amp; tables schema for specific database on Oracle 10g? I need the schema in .sql file and if possible compatible wit
If I write this query: select Fname,Age*2 as Demo from Men where Demo = 5 then I get the error 开发者_如何转开发ORA-00904 (Demo not identified )
I have two tables both have same schema, one will have previous day records other will have current. I want to compare both and find only changes or only rows that have different value in atleast one
My Oracle 10g Express Edition , I can login in the SQL plus but I cannot logi开发者_开发技巧n into oracle via SQL developer and cannot view the Home page at link http://127.0.0.1:8080/apex. This was w
I am on Oracle 10g. I have a table that contains all the files stored in the system during the past year.