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1answer
30 views

Database engine that share a row among multiple tables

I'm wondering whether exists any database engine that can share cells or rows amongst many tables. For example: TABLE Customer ( CID: int Fullname: nvarchar(50) Age: int ) TABLE Group ( ...
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0answers
38 views

Return a string from a pivot query

I have a query that uses around 6 or 7 tables and uses pivot to return a formatted string from this entire structure. Actually, today this query is dynamically generated via C#/Entity Framework and it ...
1
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2answers
269 views

Constant values in columns

I have a SQL Server 2000 database used by our ERP system. There are many columns that always have the same value. A table row is really huge, potentially exceeding the maximum row size in SQL Server ...
1
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1answer
189 views

Creat Temporary Id in SQL Statement

I have a table id name 1 Alpha 2 Alpha 3 Beta 4 Charlie 5 Charlie I want to assign a temporary id at the run time in the SQL statement, So the desired result should be like myid name ...
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3answers
2k views

Is (and if how) it possible in Oracle to “insert into <table> values <rowtype-variable>” if <table> has virtual columns

Here's a table create table tq84_virtual_test_without ( col_1 number, col_2 number, col_3 number, col_4 number, col_5 number ); with the rule that col_5's value is the sum of the other ...