Convention for Database Tables: Difference between revisions

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==Types of Tables==
<source lang="c">
static char *base36enc(long unsigned int value) {
char base36[36] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
/* log(2**64) / log(36) = 12.38 => max 13 char + '\0' */
char buffer[14];
unsigned int offset = sizeof(buffer);
 
buffer[--offset] = '\0';
do {
buffer[--offset] = base36[value % 36];
} while (value /= 36);
 
return strdup(&buffer[offset]); // warning: this must be free-d by the user
}
 
static long unsigned int base36dec(const char *text) {
return strtoul(text, NULL, 36);
}
</source>
 
== Types of Table ==
{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
! Code  !! Types  !! Purpose !! Tables !! Views
! Order !! Code  !! Types  !! Purpose !! Tables !! Views
|-
|-
| A || Audit  || Audit Tables || T00A00 ~ TZZAZZ ||
| <code>1</code> || <code>I</code> || Identity || Identity Tables || <code>M00TI00X00 ~ MZZTIZZX00</code> || <code>M00VI00X00 ~ MZZVIZZXZZ</code>
|-
|-
| E || Entries || Entries Tables || T00E00 ~ TZZEZZ || V00E00 ~ VZZEZZ
| <code>2</code> || <code>M</code> || Metadata || Metadata Tables || <code>M00TM00X00 ~ MZZTMZZX00</code> || <code>M00VM00X00 ~ MZZVMZZXZZ</code>
|-
|-
| I || Identity || Identity Tables || T00I00 ~ TZZIZZ ||
| <code>3</code> || <code>C</code> || Collection || Collection Tables || <code>M00TS00X00 ~ MZZTCZZX00</code> || <code>M00VS00X00 ~ MZZVCZZXZZ</code>
|-
|-
| J || Join || Join Tables '''n - n''' || T00J00 ~ TZZJZZ ||  
| <code>4</code> || <code>E</code> || Entries || Entries Tables || <code>M00TE00X00 ~ MZZTEZZX00</code> || <code>M00VE00X00 ~ MZZVEZZXZZ</code>
|-
|-
| M || Metadata || Metadata Tables || T00M00 ~ TZZMZZ ||
| <code>5</code> || <code>J</code> || Join || Join Tables '''n - n''' || <code>M00JX00X00 ~ MZZJXZZXZZ</code> || <code>Z=[0-Z]{1},X=[ACEILMV]{1}</code>
|-
|-
| S || Settings || Settings Tables || T00S00 ~ TZZSZZ || V00S00 ~ VZZSZZ
| <code>6</code> || <code>A</code> || Audit  || Audit Tables || <code>M00TA00X00 ~ MZZTAZZX00</code> || <code>M00VA00X00 ~ MZZVAZZXZZ</code>
|-
| <code>7</code> || <code>L</code> || Local || Local Tables || <code>M00TL00X00 ~ MZZTLZZX00</code> || <code>M00VL00X00 ~ MZZVLZZXZZ</code>
|-
| <code>8</code> || <code>V</code> || Versions || Versions Tables || <code>M00TV00X00 ~ MZZTVZZX00</code> || <code>M00VV00X00 ~ MZZVVZZXZZ</code>
|}
 
== Nomenclature ==
{|
| valign="top" |
===Tables Template===
[M]{1}────────────────M ─┐
                          │
[0-9A-Z]{2}───────────00─┼─M00T─┐
                          │      │
[J|T|V]{1}────────────T ─┘      │
                                │
[A|C|E|I|L|M|V]{1}────M ─┐      │
                          ├─M00 ─┼─M00TM00X00
[0-9A-Z]{2}───────────00─┘      │
                                │
[X]{1}────────────────X ─┐      │
                          ├─X00 ─┘
[0-9A-Z]{2}───────────00─┘
 
| valign="top" |
 
=== Versions Tables ===
[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                        │
[V]{1}───────V ─┐      │
                ├─V00 ─┼─M00TV00X00
[0-9A-Z]{2}──00─┘      │
                        │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘
 
|}
----
{|
| valign="top" |
=== Audit Tables ===
[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                        │
[A]{1}───────A ─┐      │
                ├─A00 ─┼─M00TA00X00
[0-9A-Z]{2}──00─┘      │
                        │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘
 
| valign="top" |
=== Collection Tables ===
[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                        │
[C]{1}───────C ─┐      │
                ├─C00 ─┼─M00TC00X00
[0-9A-Z]{2}──00─┘      │
                        │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘
 
| valign="top" |
=== Entries Tables ===
[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                        │
[E]{1}───────E ─┐      │
                ├─E00 ─┼─M00TE00X00
[0-9A-Z]{2}──00─┘      │
                        │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘
 
|}
 
{|
| valign="top" |
=== Identity Tables ===
[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                        │
[I]{1}───────I ─┐      │
                ├─I00 ─┼─M00TI00X00
[0-9A-Z]{2}──00─┘      │
                        │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘
 
| valign="top" |
=== Local Tables ===
[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                        │
[L]{1}───────L ─┐      │
                ├─L00 ─┼─M00TL00X00
[0-9A-Z]{2}──00─┘      │
                        │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘
 
| valign="top" |
=== Metadata Tables ===
[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                        │
[M]{1}───────M ─┐      │
                ├─M00 ─┼─M00TM00X00
[0-9A-Z]{2}──00─┘      │
                        │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘
 
|}
|}
----
{|
| valign="top" |
=== Join Tables ===
[M]{1}──────────────M ─┐
                        │
[0-9A-Z]{2}─────────00─┼─M00J─┐
                        │      │
[J|T|V]{1}──────────J ─┘      │
                              │
[A|C|E|I|L|M|V]{1}──E ─┐      │
                        ├─E00 ─┼─M00JE00E11
[0-9A-Z]{2}─────────00─┘      │
                              │
[A|C|E|I|L|M|V]{1}──E ─┐      │
                        ├─E11 ─┘
[0]{2}──────────────11─┘


==Nomenclature of Tables==
[T]{1}───────────T─┐
                    ├─T00┐
[0-9A-Z]{2}──────00┘    │
                        ├─T00DYZ
[D|E|I|J|L|S]{1}─D─┐    │
                    ├─DYZ┘
[0-9A-Z]{2}──────YZ┘


===Datum/Metadata Tables===
| valign="top" |
[T]{1}──────T─┐
              ├─T00┐
[0-9A-Z]{2}─00┘    │
                    ├─T00DYZ
[D]{1}──────D─┐    │
              ├─DYZ┘
[0-9A-Z]{2}─YZ┘


===Entry/Transaction Tables===
=== Materialized View ===
  [T]{1}──────T─┐
  [M]{1}──────────────M ─┐
              ├─T00┐
                        │
  [0-9A-Z]{2}─00┘    │
[0-9A-Z]{2}─────────00─┼─M00V─┐
                    ├─T00EYZ
                        │      │
  [E]{1}──────E─┐    │
[J|T|V]{1}──────────V ─┘      │
              ├─EYZ┘
                              │
  [0-9A-Z]{2}─YZ┘
[A|C|E|I|L|M|V]{1}──E ─┐      │
                        ├─E00 ─┼─M00VE00X00
  [0-9A-Z]{2}─────────00─┘      │
                              │
  [X]{1}──────────────X ─┐      │
                        ├─X00 ─┘
  [0-9A-Z]{2}─────────00─┘


===Initialization/Setup Tables===
|}
[T]{1}──────T─┐
              ├─T00┐
[0-9A-Z]{2}─00┘    │
                    ├─T00IYZ
[I]{1}──────I─┐    │
              ├─IYZ┘
[0-9A-Z]{2}─YZ┘


===Joining/Cardinality Tables===
==Data Size Convention==
  [T]{1}──────T─┐
<source lang="properties">
              ├─T00┐
;data size convention (where n is integer number)
[0-9A-Z]{2}─00┘    │
STRING : 1 + 2 + 4 + 08 + 16 + 32 + 64 + 128 + 256 + 2^n
                    ├─T00JYZ
NUMBER  : 3 + 6 + 9 + 12 + 15 + 18 + 21 + 024
[J]{1}──────J─┐    │
DATE    : yyyy-MM-dd | yyyy-MM-dd'T'HH:mm:ss
              ├─JYZ┘
BOOLEAN : 0 + 1
[0-9A-Z]{2}─YZ┘
</source>


===Audit/Transaction Log Tables===
<math>
[T]{1}──────T─┐
\begin{array}{lcr}
              ├─T00┐
f(a) & = &  a + 2a + 3a + 4a + 5a + 6a + 7a + 8a  +na \\
[0-9A-Z]{2}─00┘    │
f(3) & = & 3 + 6 + 9 + 12 + 15 + 18 + 21 + 24 + 27 \\
                    ├─T00LYZ
\end{array}
  [L]{1}──────L─┐    │
</math>
              ├─JYZ┘
----
[0-9A-Z]{2}─YZ┘
<math>
\begin{array}{lcr}
f(a) & = &  a^0 + a^1 + a^2 + a^3 + a^4 + a^5 + a^6 + a^7 + a^8 + a^n \\
f(2) & = & 2^0 + 2^1 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8 + 2^n \\
f(2) & = & 1 + 2 + 4 + 8 + 16 + 32 + 64 + 128 + 256 + 512 \\
\end{array}
</math>


===Serial/Sequence Tables===
 
  [T]{1}──────T─┐
==Id Field Convention==
              ├─T00┐
===JavaScript===
  [0-9A-Z]{2}─00┘    │
{|
                    ├─T00SYZ
| valign="top" |
[S]{1}──────S─┐    │
<source lang="javascript">
              ├─SYZ┘
var Chorke=Chorke||(function(me){
  [0-9A-Z]{2}─YZ┘
    me = {
        $class  : 'Chorke',
        $package : 'Default',
    };
    return me;
})();
/**
* @public
* @static
*/
;Chorke.Base36||(function($, me, RADIX){
    RADIX = 36;
    me    = {
        $package: 'Chorke',
        $class  : 'Chorke.Base36',
        Encode  : function(number, base36){
            base36  = (number).toString(RADIX)
            base36  = base36.toUpperCase()
            return base36
        },
        Decode  : function(base36, number){
            number  = parseInt(base36, RADIX)
            return number
        }
    };
    $.Base36 = me;
})(Chorke);
</source>
 
| valign="top" |
<source lang="javascript">
/**
* @public
* @static
*/
;Chorke.Severity||(function($, w, me){
    me = {
        $package: 'Chorke',
        $class  : 'Chorke.Severity',
        Info    : function(message){
            w.console&&w.console.info(message)
        }
    };
    $.Severity = me;
})(Chorke, window);
 
/**
* @anonymous
  * @static
*/
(function($){
    $.Severity.Info($.Base36.Encode(123456789));
    $.Severity.Info($.Base36.Decode("2R4Y"));
})(Chorke);
 
 
// Output
// 21I3V9
// 128482
</source>
|}
 
===Java===
<source lang="java">
public class Base36 {
    public static final int RADIX = 36;
 
    public static String encode(int integer) {
        String base36 = Integer.toString(integer, RADIX);
        return base36.toUpperCase();
    }
 
    public static int decode(String base36) {
        String lower = base36.toLowerCase();
        return Integer.parseInt(lower, RADIX);
    }
}
</source>
 
===Size Index===
{| class="wikitable sortable"
|-
! Base36 Start !! Base36 End !! Decimal Start  !! Decimal End !! No.of Elements !! Usages as ID
|-
| <code>0</code> || <code>z</code> || <code>0</code>  || <code>35</code> || <code>36</code> || <code>type</code>, <code>site</code>, <code>status</code>, <code>group</code>, <code>category</code>
|-
| <code>10</code> || <code>zz</code> || <code>36</code>  || <code>1,295</code> || <code>1,260</code> || <code>type</code>, <code>user</code>, <code>module</code>, <code>table</code>, <code>project</code>
|-
| <code>100</code> || <code>zzz</code> || <code>1,296</code>  || <code>46,655</code> || <code>45,360</code> || <code>type</code>, <code>group</code>, <code>category</code>, <code>subcategory</code>
|-
| <code>1,000</code> || <code>z,zzz</code> || <code>46,656</code>  || <code>1,679,615</code> || <code>1,632,960</code> || <code>user</code>, <code>category</code>, <code>subcategory</code>
|-
| <code>10,000</code> || <code>zz,zzz</code> || <code>1,679,616</code>  || <code>60,466,175</code> || <code>58,786,560</code> || <code>category</code>, <code>subcategory</code>, <code>branch</code>
|-
| <code>100,000</code> || <code>zzz,zzz</code> || <code>60,466,176</code>  || <code>2,176,782,335</code> || <code>2,116,316,160</code> || <code>user</code>, <code>admin</code>, <code>manager</code>, <code>executive</code>
|-
| <code>1,000,000</code> || <code>z,zzz,zzz</code> || <code>2,176,782,336</code>  || <code>78,364,164,095</code> || <code>76,187,381,760</code> || <code>oauth</code>, <code>client</code>, <code>commit</code>, <code>invoice</code>
|-
| <code>10,000,000</code> || <code>zz,zzz,zzz</code> || <code>78,364,164,096</code>  || <code>2,821,109,907,455</code> || <code>2,742,745,743,360</code> || <code>user</code>, <code>civic</code>, <code>staff</code>, <code>visa</code>, <code>passport</code>
|-
| <code>100,000,000</code> || <code>zzz,zzz,zzz</code> || <code>2,821,109,907,456</code>  || <code>101,559,956,668,415</code> || <code>98,738,846,760,960</code> || <code>cheque</code>, <code>invoice</code>, <code>certificate</code>
|-
| <code>1,000,000,000</code> || <code>z,zzz,zzz,zzz</code> || <code>101,559,956,668,416</code>  || <code>3,656,158,440,062,975</code> || <code>3,554,598,483,394,560</code> || <code>user</code>, <code>account</code>, <code>wallet</code>, <code>qrcode</code>
|}
 
===Base Index===
{|class="wikitable" style="text-align:center"
|-
!scope="col"| Index !!scope="col"| Binary !!scope="col"| Char
|rowspan="17"|
!scope="col"| Index !!scope="col"| Binary !!scope="col"| Char
|rowspan="17"|
!scope="col"| Index !!scope="col"| Binary !!scope="col"| Char
|rowspan="17"|
!scope="col"| Index !!scope="col"| Binary !!scope="col"| Char
|-
| 0 || 000000 || <code>0</code> || 16 || 010000 || <code>G</code> || 32 || 100000 || <code>W</code> || 48 || 110000 || <code>m</code>
|-
|  1 || 000001 || <code>1</code> || 17 || 010001 || <code>H</code> || 33 || 100001 || <code>X</code> || 49 || 110001 || <code>n</code>
|-
|  2 || 000010 || <code>2</code> || 18 || 010010 || <code>I</code> || 34 || 100010 || <code>Y</code> || 50 || 110010 || <code>o</code>
|-
|  3 || 000011 || <code>3</code> || 19 || 010011 || <code>J</code> || 35 || 100011 || <code>Z</code> || 51 || 110011 || <code>p</code>
|-
|  4 || 000100 || <code>4</code> || 20 || 010100 || <code>K</code> || 36 || 100100 || <code>a</code> || 52 || 110100 || <code>q</code>
|-
|  5 || 000101 || <code>5</code> || 21 || 010101 || <code>L</code> || 37 || 100101 || <code>b</code> || 53 || 110101 || <code>r</code>
|-
|  6 || 000110 || <code>6</code> || 22 || 010110 || <code>M</code> || 38 || 100110 || <code>c</code> || 54 || 110110 || <code>s</code>
|-
|  7 || 000111 || <code>7</code> || 23 || 010111 || <code>N</code> || 39 || 100111 || <code>d</code> || 55 || 110111 || <code>t</code>
|-
|  8 || 001000 || <code>8</code> || 24 || 011000 || <code>O</code> || 40 || 101000 || <code>e</code> || 56 || 111000 || <code>u</code>
|-
|  9 || 001001 || <code>9</code> || 25 || 011001 || <code>P</code> || 41 || 101001 || <code>f</code> || 57 || 111001 || <code>v</code>
|-
| 10 || 001010 || <code>A</code> || 26 || 011010 || <code>Q</code> || 42 || 101010 || <code>g</code> || 58 || 111010 || <code>w</code>
|-
| 11 || 001011 || <code>B</code> || 27 || 011011 || <code>R</code> || 43 || 101011 || <code>h</code> || 59 || 111011 || <code>x</code>
|-
| 12 || 001100 || <code>C</code> || 28 || 011100 || <code>S</code> || 44 || 101100 || <code>i</code> || 60 || 111100 || <code>y</code>
|-
| 13 || 001101 || <code>D</code> || 29 || 011101 || <code>T</code> || 45 || 101101 || <code>j</code> || 61 || 111101 || <code>z</code>
|-
| 14 || 001110 || <code>E</code> || 30 || 011110 || <code>U</code> || 46 || 101110 || <code>k</code> || 62 || 111110 || <code>_</code>
|-
| 15 || 001111 || <code>F</code> || 31 || 011111 || <code>V</code> || 47 || 101111 || <code>l</code> || 63 || 111111 || <code>.</code>
|}
 
==References==
{|
| valign="top" |
* [[Base36 Encoding and Decoding]]
* [[Oracle SQL Developer]]
* [https://en.wikipedia.org/wiki/Luhn_algorithm Luhn Algorithm]
* [https://www.loc.gov/issn/check.html Modulus 11]
* [https://en.wikipedia.org/wiki/Check_digit Check digit]
* [https://en.wikipedia.org/wiki/Base64 Base64]
* [https://en.wikipedia.org/wiki/Base36 Base36]
* [https://en.wikipedia.org/wiki/Base32 Base32]
* [[Locale]]
* [[JPA]]
 
| valign="top" |
* [https://stackoverflow.com/questions/2568668/ Base 36 to Base 10 conversion using SQL]
* [https://mariadb.com/kb/en/conv/ MariaDB <code>CONV(N,from_base,to_base)</code>]
* [https://danielmiessler.com/study/difference-between-uri-url/ Difference Between a URI and a URL]
* [https://gist.github.com/btbytes/7159902 Base36 Conversion in PostgreSQL]
* [https://stackoverflow.com/questions/5997241/ PostgreSQL Base-10 to Base-36]
* [[MapStruct]]
* [[Liquibase]]
* [[Lombok]]
 
|}

Latest revision as of 11:07, 14 January 2022

static char *base36enc(long unsigned int value) {
	char base36[36] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	/* log(2**64) / log(36) = 12.38 => max 13 char + '\0' */
	char buffer[14];
	unsigned int offset = sizeof(buffer);

	buffer[--offset] = '\0';
	do {
		buffer[--offset] = base36[value % 36];
	} while (value /= 36);

	return strdup(&buffer[offset]); // warning: this must be free-d by the user
}

static long unsigned int base36dec(const char *text) {
	return strtoul(text, NULL, 36);
}

Types of Table

Order Code Types Purpose Tables Views
1 I Identity Identity Tables M00TI00X00 ~ MZZTIZZX00 M00VI00X00 ~ MZZVIZZXZZ
2 M Metadata Metadata Tables M00TM00X00 ~ MZZTMZZX00 M00VM00X00 ~ MZZVMZZXZZ
3 C Collection Collection Tables M00TS00X00 ~ MZZTCZZX00 M00VS00X00 ~ MZZVCZZXZZ
4 E Entries Entries Tables M00TE00X00 ~ MZZTEZZX00 M00VE00X00 ~ MZZVEZZXZZ
5 J Join Join Tables n - n M00JX00X00 ~ MZZJXZZXZZ Z=[0-Z]{1},X=[ACEILMV]{1}
6 A Audit Audit Tables M00TA00X00 ~ MZZTAZZX00 M00VA00X00 ~ MZZVAZZXZZ
7 L Local Local Tables M00TL00X00 ~ MZZTLZZX00 M00VL00X00 ~ MZZVLZZXZZ
8 V Versions Versions Tables M00TV00X00 ~ MZZTVZZX00 M00VV00X00 ~ MZZVVZZXZZ

Nomenclature

Tables Template

[M]{1}────────────────M ─┐
                         │
[0-9A-Z]{2}───────────00─┼─M00T─┐
                         │      │
[J|T|V]{1}────────────T ─┘      │
                                │
[A|C|E|I|L|M|V]{1}────M ─┐      │
                         ├─M00 ─┼─M00TM00X00
[0-9A-Z]{2}───────────00─┘      │
                                │
[X]{1}────────────────X ─┐      │
                         ├─X00 ─┘
[0-9A-Z]{2}───────────00─┘

Versions Tables

[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                       │
[V]{1}───────V ─┐      │
                ├─V00 ─┼─M00TV00X00
[0-9A-Z]{2}──00─┘      │
                       │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘

Audit Tables

[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                       │
[A]{1}───────A ─┐      │
                ├─A00 ─┼─M00TA00X00
[0-9A-Z]{2}──00─┘      │
                       │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘

Collection Tables

[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                       │
[C]{1}───────C ─┐      │
                ├─C00 ─┼─M00TC00X00
[0-9A-Z]{2}──00─┘      │
                       │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘

Entries Tables

[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                       │
[E]{1}───────E ─┐      │
                ├─E00 ─┼─M00TE00X00
[0-9A-Z]{2}──00─┘      │
                       │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘

Identity Tables

[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                       │
[I]{1}───────I ─┐      │
                ├─I00 ─┼─M00TI00X00
[0-9A-Z]{2}──00─┘      │
                       │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘

Local Tables

[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                       │
[L]{1}───────L ─┐      │
                ├─L00 ─┼─M00TL00X00
[0-9A-Z]{2}──00─┘      │
                       │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘

Metadata Tables

[M]{1}───────M ─┐
                │
[0-9A-Z]{2}──00─┼─M00T─┐
                │      │
[J|T|V]{1}───T ─┘      │
                       │
[M]{1}───────M ─┐      │
                ├─M00 ─┼─M00TM00X00
[0-9A-Z]{2}──00─┘      │
                       │
[X]{1}───────X ─┐      │
                ├─X00 ─┘
[0]{2}───────00─┘

Join Tables

[M]{1}──────────────M ─┐
                       │
[0-9A-Z]{2}─────────00─┼─M00J─┐
                       │      │
[J|T|V]{1}──────────J ─┘      │
                              │
[A|C|E|I|L|M|V]{1}──E ─┐      │
                       ├─E00 ─┼─M00JE00E11
[0-9A-Z]{2}─────────00─┘      │
                              │
[A|C|E|I|L|M|V]{1}──E ─┐      │
                       ├─E11 ─┘
[0]{2}──────────────11─┘


Materialized View

[M]{1}──────────────M ─┐
                       │
[0-9A-Z]{2}─────────00─┼─M00V─┐
                       │      │
[J|T|V]{1}──────────V ─┘      │
                              │
[A|C|E|I|L|M|V]{1}──E ─┐      │
                       ├─E00 ─┼─M00VE00X00
[0-9A-Z]{2}─────────00─┘      │
                              │
[X]{1}──────────────X ─┐      │
                       ├─X00 ─┘
[0-9A-Z]{2}─────────00─┘

Data Size Convention

;data size convention (where n is integer number)
STRING  : 1 + 2 + 4 + 08 + 16 + 32 + 64 + 128 + 256 + 2^n
NUMBER  : 3 + 6 + 9 + 12 + 15 + 18 + 21 + 024
DATE    : yyyy-MM-dd | yyyy-MM-dd'T'HH:mm:ss
BOOLEAN : 0 + 1


Id Field Convention

JavaScript

var Chorke=Chorke||(function(me){
    me = {
        $class   : 'Chorke',
        $package : 'Default',
    };
    return me;
})();
/**
 * @public
 * @static
 */
;Chorke.Base36||(function($, me, RADIX){
    RADIX = 36;
    me    = {
        $package: 'Chorke',
        $class  : 'Chorke.Base36',
        Encode  : function(number, base36){
            base36  = (number).toString(RADIX)
            base36  = base36.toUpperCase()
            return base36
        },
        Decode  : function(base36, number){
            number  = parseInt(base36, RADIX)
            return number
        }
    };
    $.Base36 = me;
})(Chorke);

/**
 * @public
 * @static
 */
;Chorke.Severity||(function($, w, me){
    me = {
        $package: 'Chorke',
        $class  : 'Chorke.Severity',
        Info    : function(message){
            w.console&&w.console.info(message)
        }
    };
    $.Severity = me;
})(Chorke, window);

/**
 * @anonymous
 * @static
 */
(function($){
    $.Severity.Info($.Base36.Encode(123456789));
    $.Severity.Info($.Base36.Decode("2R4Y"));
})(Chorke);


// Output
// 21I3V9
// 128482

Java

public class Base36 {
    public static final int RADIX = 36;

    public static String encode(int integer) {
        String base36 = Integer.toString(integer, RADIX);
        return base36.toUpperCase();
    }

    public static int decode(String base36) {
        String lower = base36.toLowerCase();
        return Integer.parseInt(lower, RADIX);
    }
}

Size Index

Base36 Start Base36 End Decimal Start Decimal End No.of Elements Usages as ID
0 z 0 35 36 type, site, status, group, category
10 zz 36 1,295 1,260 type, user, module, table, project
100 zzz 1,296 46,655 45,360 type, group, category, subcategory
1,000 z,zzz 46,656 1,679,615 1,632,960 user, category, subcategory
10,000 zz,zzz 1,679,616 60,466,175 58,786,560 category, subcategory, branch
100,000 zzz,zzz 60,466,176 2,176,782,335 2,116,316,160 user, admin, manager, executive
1,000,000 z,zzz,zzz 2,176,782,336 78,364,164,095 76,187,381,760 oauth, client, commit, invoice
10,000,000 zz,zzz,zzz 78,364,164,096 2,821,109,907,455 2,742,745,743,360 user, civic, staff, visa, passport
100,000,000 zzz,zzz,zzz 2,821,109,907,456 101,559,956,668,415 98,738,846,760,960 cheque, invoice, certificate
1,000,000,000 z,zzz,zzz,zzz 101,559,956,668,416 3,656,158,440,062,975 3,554,598,483,394,560 user, account, wallet, qrcode

Base Index

Index Binary Char Index Binary Char Index Binary Char Index Binary Char
0 000000 0 16 010000 G 32 100000 W 48 110000 m
1 000001 1 17 010001 H 33 100001 X 49 110001 n
2 000010 2 18 010010 I 34 100010 Y 50 110010 o
3 000011 3 19 010011 J 35 100011 Z 51 110011 p
4 000100 4 20 010100 K 36 100100 a 52 110100 q
5 000101 5 21 010101 L 37 100101 b 53 110101 r
6 000110 6 22 010110 M 38 100110 c 54 110110 s
7 000111 7 23 010111 N 39 100111 d 55 110111 t
8 001000 8 24 011000 O 40 101000 e 56 111000 u
9 001001 9 25 011001 P 41 101001 f 57 111001 v
10 001010 A 26 011010 Q 42 101010 g 58 111010 w
11 001011 B 27 011011 R 43 101011 h 59 111011 x
12 001100 C 28 011100 S 44 101100 i 60 111100 y
13 001101 D 29 011101 T 45 101101 j 61 111101 z
14 001110 E 30 011110 U 46 101110 k 62 111110 _
15 001111 F 31 011111 V 47 101111 l 63 111111 .

References

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