General :: How To Prevent Double Booking
Jan 23, 2013
On Microsoft Access 2010, I am creating a database project for a DJ booking system (not for professional use) and wondered how you can stop double booking from occurring that would provide you with an error message that I could personalize.
My current booking file looks like this:
Booking ID - Primary Key
Customer ID (Linked to customer table)
Venue ID (Linked to venue table)
Date Booked
Set Up Time
Start Time
Finish Time
Party Type
Discount Code
At the moment I have the date booked as Indexed (No Duplicates) however this gives me a long error message that I can not personalise.
Access 2010...
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Apr 10, 2015
so i created a system to have events booked, and i am trying to check time availability of the event room available, but i dont know what wrong. it either my query or vba code. i have attached the attachment,
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Dec 2, 2012
I am new to Access and have made a database for a shuttle company that keeps track of their bookings. I need to prevent from the same booking being entered twice. I have a "Booking Form" that was made from a table "Master List". I was wondering if there was a way to compare three of the fields and if they match then a error would pop up.
I think if the "client's name", "booking date", and "pick up time" matched then a "booking already exists"... and also there are four different people can enter data and they have a log in form how can I get their "username" to be put into a field on the "Master List" automatically...
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Mar 7, 2008
Please could someone give me help on this topic, I need to slove it for coursework in Access but im having the following problem.
Im creating a database for a hotel which rents out its room obviously. The problem i have is if a guest books a room for say march 3rd until march 6th, theres currently no way in which to stop another guest booking the room for any of these dates.
I think i know how to stop double booking for the start day, but not the days inbetween if you understand.
The database has 3 tables:
Guest Info
Room info
Bookings
If anyone can help it would be greatly appreciated.
P.S the method i hope to use, is the hotel will enter the start date of a guests stay and then enter the number of nights the guest is staying for e.g. 3rd-6th of march would be input as: Begin date: 03/03/08 for:'3' nights.
Thanks for any help
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Oct 17, 2004
I am wanting to prevent a double booking. I have a form called:
frm_Booking which records an ArrivalDate and DepartureDate
and another form
frm_Building_Booking which records a BuildingID number
I want to ensure that a customer cannot book a BuildingID for an ArrivalDate and DepartureDate it it has already been booked by another cusotmer or book any on the days between.
However a customer should be able to book a BuildingID on the DepartureDate.
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Jan 14, 2008
could someone please help me, i am having a problem trying to get rid of double bookings in the attached database.
This database is for an assignment for my students, and unfortunately i had got the point now that i have got incredbily stupid and cannot see a solution.
I want to make sure that a client cannot double book an instructor and a car on a specific time or date...
Obviously i would also want to make sure that if one client has booked a specific car or instructor no other client would be able to book it, in the same time and date slot.. All lessons are 1 hour long
for some reason i have to make sure that a client can book a specific car...
This unit is being taught alongside another unit by another teacher, who does not see the complexities of the problem, and insists that this complexity is in the database, however they do not know the solution either.
I have tried creating different types of primary key combinations, but that does not work..
Any ideas or suggestions would be greatly appreciated
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Mar 8, 2007
Hi
I have created a database to take bookings for holiday properties but can't figure out how to stop the properties from being booked over the same period. I have a table called booking order with the fields Booking no, property no, start date and end date. On the equivilant form for a property i need to be able to stop start and end dates being entered that are between existing start and end dates already booked for that property.
Thanks for your help
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Aug 13, 2015
I have Table for rooms called Rooms, and the data in the table is roomNumber which is in the format Letter and two Digit number, so A01 would be dorm building A and room building 1, and I then have a seperate row named roomType that is either VIP or Semi Private.
Now I am creating a form where a worker will put in there scheduledCheckin date and scheduledCheckout date and it will be written to the Bookings table. I would like this form however to take the dates they have put in, as well as room type (Semi-Private or VIP, and assign them an available room that isn't booked at all in that range) or list all available rooms for that range of time and they could then just select the room. I would rather it automatically assigns an available room based on room type though because this check in system is going to have about 500 rooms.
I've attached a link for what I have so far. I know how to make a query to list anyone who has booked rooms over that date, but need one for just preventing booking the same room.
[URL] .....
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May 23, 2014
I am supposed to make a database for a hotel system, how I could prevent double bookings.
My Reservation Table has the following fields:
Reservation No. (PK)
Room No. (FK)
Customer ID (FK)
Payment ID(FK)
Reservation In Date
Reservation Out Date
Together with preventing double bookings is there a way automatically that can mark in the Room Table, the status as "available" or "booked" automatically by looking at the date today?
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Mar 21, 2013
I have to do a app in access2003. My problem is when i try remove a item of a listbox not do it right. Example.
values of the listbox:
1
2,5
3
If i remove 1 or 3 not problem but if i try remove value 2,5 my list box show:
1,5
3
why??
my sentences if like this:
listbox1.removeItem(listbox1.ListIndex)
To introduce values i do a query and put them with listbox.addItem(value)
Perhaps any property of the listbox or something i am making wrong.
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Jul 22, 2012
On an existing DB i have set a default value for a field. The customer has now asked that they be able to change this default. I thought, hey, no big problem. They have SuperUsers, so i included a little pop up form that lists all the current valid values for that field (from a look up table). If the default value needs to change a superuser can access this and select the new default. That works fine. The trouble comes when setting the default value on a form.
I figured a simple bit of VBA in the OnOpen event - Me.cmbTypes.Value = Me.cmbTypes.DefaultValue - should work. However the value it returns from the default is ""xxxx"" and as such it is read as "". I can work around it by removing the extra " " but WHY does it do this? Would it be better to set this up as a custom property of the DB?
Using Access 2003
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Jun 17, 2013
I have set up a database that each user will put on their own computer, as it builds a running list made specifically for that user of chosen items to be exported to Excel, and because the remote locations have issues when accessing a shared network.
The db verifies the network user ID against a table to allow it to open. This to prevent any unauthorized user from accessing, and if db was copied or forwarded, only authorized users could see the data.
If the user is not on the list, it advises "Not an Authorized User", then exits Access. (I disabled the shift on opening, hid navigation bar, etc.) When further testing this security, I realized that even though users can access only the forms that I allowed, if they were to open another Access db, they could link or import the main table.
So all of my security precautions are for naught, as anyone with access to the db could see the confidential data. Even if they were not valid users, they could still get to the data if they knew how to import from another db. Is there any way to lock down the main table, so that it cannot be exported? Or be imported into another database?
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May 23, 2013
If you are to sell a db. What have people done to stop one person copying it to their mates.
I have a way in which they send me their name,lastname and email. I then have a separate db that genertates a code based on a maths calculation. The users db does same calc. Then a comparison is done. if they match the code they entered goes green. if codes not right it goes red.
I also have macro that swap tables round when run. so by default its limted to 10 records. When swapped its unlimted.
I just cant link the 2 functions. Ideally some way it will see the green code and then run the macro to swap tables to a full db.
Then the customer has a full db and is also tied to their name etc...
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Aug 13, 2013
How can I run an Access 2003 file automatically, after double click the Access 2003 Icon?
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Nov 30, 2012
I am wanting to delete a record based on 2 criteria. ive had a look on the net and it looked so simple. I tried
PHP Code:
CurrentDb.Execute _ "DELETE FROM tblRecommendedProducts " & _ "WHERE ClientDetailsID = " & [Forms]![frmClientSale]![ClientDetailsID] And "WHERE ItemsID = " & [Forms]![frmClientSale-Retail]![ItemsID], dbFailOnError
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Jan 4, 2013
Is there any way how to create reliable link between Excel and Access which would work reversibly? I mean, if I change the data in Access (table) they will change in Excel spreadsheet and conversely?
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Aug 6, 2013
Is there away in which I can protect an access 2007 database modification with a password.I'm doing this because I would like to prevent my client from modifying or having acces to the database's back end system (db), I would just like him to use forms and nothing else.
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May 14, 2015
I don't want to allow more than one instance of (HolDte) for the same EmployeeID
PHP Code:
If DLookup("[HolDte]", "tblHour", "[EmployeeID]='" & Me.EmployeeID.Value & "'") <> Me.HolDte.Value Then
Exit Sub
End If
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Oct 22, 2014
I have a mainform (F_main) and a subform associated (F_place).
F_place is the form of the table T_place.
T_place is linked to F_main by the field "BizNumber". I also have the field "Place" and of course the "Place ID" (primary key) in T_place.
"Place" in linked to a combobox (in F_place).I want to avoid, at a given "BizNumber", the same "place" to be entered in the F_place.
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Dec 1, 2013
I have a table called tblDeliveryOverview and a table called tblPurchaseOverview in the relationship there is no link between each other but i've used a query to link the one field from tblDeliveryOverview to tblPurchaseOverview.
How can i prevent a record update from happening when i update a record in tbleDeliveryOverview and the same gets updated in tblPurchaseOverview, which i don't want to happen.
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Sep 26, 2012
I currently have a listbox. (list32) that is populated with results of a query. I would like to doubleclick on an item and have it open a form that displays the listbox record i clicked on and a "notes" field. Its my understanding that the table fields are limited to 255 chars so i was curious if I could make the notes field reside somewhere else. I will need the notes able to be edited, specific to record entry, and then saved on exit. Is this doable?
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Aug 22, 2014
Is it possible to load the data in input from by double clicking on data from list box ?
I have single form on which both input form and read-only form is present. as i used visible property to display or not accordingly.
User enters the data from input form. (It has been done)
User go onto read only form where combo box and list box. from drop down values load into list-box. (It has been done)
Now double click on any record then it should re-directed on input form with loading the data in editable mode for updation purpose. ???? (How this step will be done) ?
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Sep 15, 2013
I have a mainform named EMA and a subform named Q_EMO. In the mainform there is one event related to a patient.In the subform Q_EMO there are all the events releted to the patient.I would like to get a record in the mainform EMA when I double click in the record of the subform.
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Dec 12, 2012
I want to lock archive records so that they can't be edited, however I want them available to users for viewing. So for example if the file is "closed" the record can not be changed.
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Jun 25, 2015
I have a split database. I have secured the mde sufficiently but I need to secure the back end so that no one could link to tables in it. If I introduce a password to the back end is this going to require those using front end to supply the password? If not then this could be good solution.
As the database is on the network drive, is there any other way to prevent people to link to the db? Can I hide the db in the network drive? Or should I hide tables in the BE. Should these still be available to be linked?
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Sep 8, 2013
Creating a database for processing survey data into a report format. We receive these reports as paper copies, which are then scanned in using Remark Office OMR. This results in a table of data, which is intended to be appended to the existing table in the database using Save As --> Access 2007, selecting the database and target table, clicking save as, and then selecting 'Append' from the subsequent popup.
What I want to know is: Is it possible to disable/otherwise prevent the 'Overwrite' option in this window from being selected? Can I make the table or database in such a way that data can only be added, not edited or deleted?
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