On the database design, why take the main structure from the table?

Form of enterprise management software, such as a storage lists, the above information is stored in two tables, a main table and one from the table. Main table fields are: not a single number one su

Sql question about the search and replace

a database sql "abc" field in all the values are 0, I would like to replace a batch, please help, how to write this statement? Online waiting. update table setabc = 1whereabc = 0

Help SQL view problem

More than the current report, based on the user's choice to determine the number and name of the selected statements, statements related to the selected items as a whole, I intend to use the view fo

How to develop ACCESS database command line

ACCESS to the command line to develop the database, ACCESS not prompted to run the database, the actual database in C: * ProgramFiles * MicrosoftOffice * OFFICE11 * 2052 under, FPNWIND.MDB File. Is

How to access the major categories and small categories to achieve

I have 100 people, to their assigned category of a fixed 20 small, 20 small classes and belong to 4 major categories. This data access in how to achieve? Specifically how to get? to establish categ

VisualFoxPro

as described in the annex I'm sorry, I downloaded your file, you can not open. Note: This file is created by a higher version of microsoftoffice. I have plenty of microsoftoffice2003. Can not help

Shift changes to modify the database Vientiane 2,004,935

How to modify the shift amount of Vientiane 2004 database Hello, good and a lot of Vientiane, the database network to modify the software, it is recommended not to use the free, because the amendme

At a depth of 5 full binary tree, the leaf node number is?

At a depth of 5 full binary tree, the leaf node number is? Why 31 and not 16 over the last layer of a binary tree the number of nodes is the number of leaf nodes. Is 16.

Exp on Oracle database issues

My Oracle version is 9.2.0, running in Solaris9, because the database is relatively large, Exp exported dmp file size is 3.5G, the requirements of the FILESIZE 2G than the size of the exported file

How to play the right is the left Wei Hua

The words read out of wei left but could not hit the right is the Chinese word Wei only traditional characters "Wei", belonging to GBK font, to support the five-stroke input method GBK character in

import database excel table of contents

How to program the contents of a spreadsheet into a database (oracle) in? Thank you! Databases for other databases such as SQL, INFORMIX and so on. Specific methods are: 1, save as EXCEL. Csv suffi

Can not attach database

My database backup, an error prompted * _Log.LDF redundancy, not backup successfully, then I start the database, the database without the project, additional database is unsuccessful, the two files

Updates the database field

With sql2005 database table named B, A table of contents of the field: "abc.html", needs to be updated to "Web * abc.aspx", I do not know grammar, (assuming that where conditions are known), who mas