I have a problem where lets say I have a people table that is inherited by a student table and a teacher table. if I do an INSERT INTO student and an INSERT INTO teacher and specify the primary key of
I originally wrote my Ruby on Rails application for one client. Now, I am changing it so that it can be used for different clients. My end-goal is that some user (not me) can click a button and create
I\'m trying to create a function which runs an SQL query on multiple tables and outputs the resulting table from the query. The resulting table will have multiple rows. I\'m having a lot of difficulty
I have a query that worked fine on MySQL and now doesn\'t on PostgreSQL This is the query: SELECT \"users\".*
Suppose i have one table [tblemployee] i have one department = 21 i have one status = 3 i have value = 1,2,3,4
I need to map a column of xml data type. I think something like this might w开发者_如何学JAVAork but what type should i specify in type atribute? What is the coresponding C# data type to the postgres
I\'m following verbatim the code outlined in this page (Example 5.2). My query is quite simple SELECT *FROM \"LSERAW\" WHERE \"DATETIME\">=\'Sat Jan 01 00:00:00 EST 2011\' and \"DATETIME\"<=\'Th
We have one 2 field in of type \'tim开发者_开发问答estampz\' like createdon & updatedon createdon field is inserted using \'Now()\' function of postgresql.
i have a simple query like this select * from user where xxx between a and b but how if i have multiple input, like xxx, yyy, mmm, bbb.
I have a开发者_运维问答 view defined as: CREATE VIEW View1 AS SELECT Field1, Field2, array_agg(Field3) AS AggField
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