index for ' where wakeup_time < sysdate'

Posted by Hlex on Stack Overflow See other posts from Stack Overflow or by Hlex
Published on 2010-03-24T17:41:56Z Indexed on 2010/03/25 0:53 UTC
Read the original article Hit count: 467

Filed under:

index

|

date

|

Oracle

Hi

For most of records this field is null. Only some record I need to wake it up.

table are very big , I want to know which record want to wakeup.

I don't want database to seek every row.
Could you example me your Idea?

© Stack Overflow or respective owner

Related posts about index

NTFS Corruption: Files created in Linux corrupted when Windows Boots

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I'm getting some file loss and corruption on my Win7/Ubuntu 12.04 dual boot setup. I have a large shared NTFS partition. I have my Windows Docs/Music/etc. directories on that file and have the comparable directors in Linux setup as a sym. link. I'm using ntfs-3g on the linux side of things to… >>> More
SQL SERVER – Force Index Scan on Table – Use No Index to Retrieve the Data – Query Hint

as seen on SQL Authority - Search for 'SQL Authority'
Recently I received the following two questions from readers and both the questions have very similar answers. Question 1: I have a unique requirement where I do not want to use any index of the table; how can I achieve this? Question 2: Currently my table uses clustered index and does seek operation;… >>> More
Covering Index versus Clustered Index (Database Index)

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I'm working on a database system and it's indexes, but I'm having a really hard time seing the clear difference between a covering index and a clustered index. I've googled my way around but hasn't got a clear cut answer on: What is the differences between the two types of indexes When do… >>> More
SQL SERVER Force Index Scan on Table Use No Index to Retrieve the Data Query Hint

as seen on Dot net Slackers - Search for 'Dot net Slackers'
Recently I received the following two questions from readers and both the questions have very similar answers.Question 1: I have a unique requirement where I do not want to use any index of the table; how can I achieve this?Question 2: Currently my table uses clustered index and does seek operation;… >>> More
Custom SNMP Cacti Data Source fails to update

as seen on Server Fault - Search for 'Server Fault'
I'm trying to create a custom SNMP datasource for Cacti but despite everything I can check being correct, it is not creating the rrd file, or updating it even when I create it. Other, standard SNMP sources are working correctly so it's not SNMP or permissions that are the problem. I've created a… >>> More

Related posts about date

Javascript Date object expression (Date within date)

as seen on Stack Overflow - Search for 'Stack Overflow'
Dear experts, I was analyzing Javascript codes and came across this line: var date = (new Date()).getDate(); This kinda throw me off? I am pretty new to Javascript and a little curious. >>> More
Populate google.visualization.DataTable for a AnnotatedTimeLine using JSON

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi I have a HttpHandler which returns some JSON in (i think) the correct format for a google.visualization.DataTable, but the AnnotatedTimeLine fails to work? This is the JSON returned by the Handler: {cols: [{id: 'DATE', label: 'Date', type: 'date'}, {id: 'KEYWORD51', label: 'vw cheltenham', type:… >>> More
Excel: Summing values within a certain date range (> start date and < Finish date)

as seen on Super User - Search for 'Super User'
How do I include a 'Between these dates' criteria inside a SUMPRODUCT? =Sumproduct((RangeName=Cell A1)*(RangeDate=Between 01/03/10 and 31/03/10)*(RangeCost)) What's the way to manage dates (between) in a sum product? Thanks Mike >>> More
Extjs Date Time Picker ,HighLight particular Date instead of system date

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, How to highlight the particular date in extjs calender(Date Time Picker) control, As default it will highlight the system date when its shows, i need to set highlight date as sql server date. since it will be different. Is there any property or override method to change the highlight date.… >>> More
Finding date between start date and end date

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I want to check whether a date is between start date and end date. i have added a where class where datepaid between '2010-04-01' AND '2010-04-15' but the problem is that it excludes '2010-04-15'. It should include end date also how can i do this? Please help me on this Regards, pankaj >>> More