Suppose I have two tables 1st table emp EmpID| EmpName|xyz...coloums 1.开发者_运维技巧 | Hrishi |
As the title says :) In my database the table I\'m using has an OrderID field, which determines the order (strangely enough!) that the rows will be shown in when they are outputted.
Is it a good idea to have a \'search table\'? For example, a search that can search \'users\', \'groups\' and \'pages\' (Facebook style) would have fields like keywords, userid, groupid, and pageid.
We\'ve got a bunch of data the users may want to view windows of and do so quickly. They may want to look at a window of the data that is a day, a 开发者_运维技巧week, a month, or an arbitrary beginni
Using sqlite i need a t开发者_如何学JAVAable to hold a blob to store a md5 hash and a 4byte int. I plan to index the int but this value will not be unique.
I have a table TreeStructures wich holds structures of Trees. This table has columns \'id, name, left, right and a foreign key TreeId\' to a开发者_如何学运维 table Trees with a column \'id\' and some
I\'ve just started a project and need a little push in the right direction.Here is my table structure:
I\'ve a database with 3 of the tables having rows in excess of 20 million each. I\'ve used GUIDs as primary keys (unfortunately). Now our database is about 20GB and growing 5GB per month.
Trying to recreate my SQL Server database on PostgreSQL. Everything is ok except I can\'t find how to recreate this index:
I\'m creating custom forum software for a site I\'m building, which includes 2 tables (that are relevant to this question): topics and posts.A post belongs to a topic, and the topic contains the subje
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