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!Scope="col"|Quantity
!Scope="col"|Quantity
|-
|-
!scope="row|A1
|A1
|A2
|A2
|A3
|A3
|A4
|A4
|A5
|-
|-
!scope="row"
|B1
|B1
|B2
|B2
|B3
|B3
|B4
|B4
|B5
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|-
!scope="row"
|C1
|C1
|C2
|C2
|C3
|C3
|C4
|C4
|C5
|-
|-
!scope="row"
|D1
|D1
|D2
|D2
|D3
|D3
|D4
|D4
|D5
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!scope="row"
!scope="row"
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|E3
|E3
|E4
|E4
|E5

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Revision as of 21:36, 16 September 2018

Basics

Basically a data base is a table containing information organized in columns and rows. Table 1 below is a simple instance of a database.

Table 1
Customer Purchase order Product Manufacturing unit Quantity
A1 A2 A3 A4 A5
B1 B2 B3 B4 B5
C1 C2 C3 C4 C5
D1 D2 D3 D4 D5
scope="row" E1 E2 E3 E4 E5