source/images/rdbms-relational.svg

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:cc="http://creativecommons.org/ns#"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:svg="http://www.w3.org/2000/svg"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
   id="svg8"
   version="1.1"
   viewBox="0 0 150 100"
   height="100mm"
   width="150mm"
   inkscape:version="1.0.2 (e86c8708, 2021-01-15)"
   sodipodi:docname="rdbms-relational.svg">
  <defs
     id="defs2">
    <marker
       style="overflow:visible"
       id="marker1751"
       refX="0"
       refY="0"
       orient="auto"
       inkscape:stockid="Arrow1Lstart"
       inkscape:isstock="true">
      <path
         transform="matrix(0.8,0,0,0.8,10,0)"
         style="fill:#0076d2;fill-opacity:1;fill-rule:evenodd;stroke:#0076d2;stroke-width:1pt;stroke-opacity:1"
         d="M 0,0 5,-5 -12.5,0 5,5 Z"
         id="path1749" />
    </marker>
    <marker
       style="overflow:visible"
       id="marker1681"
       refX="0"
       refY="0"
       orient="auto"
       inkscape:stockid="Arrow1Lend"
       inkscape:isstock="true">
      <path
         transform="matrix(-0.8,0,0,-0.8,-10,0)"
         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
         d="M 0,0 5,-5 -12.5,0 5,5 Z"
         id="path1679" />
    </marker>
    <marker
       style="overflow:visible"
       id="marker1633"
       refX="0"
       refY="0"
       orient="auto"
       inkscape:stockid="Arrow1Lstart"
       inkscape:isstock="true"
       inkscape:collect="always">
      <path
         transform="matrix(0.8,0,0,0.8,10,0)"
         style="fill:#0076d2;fill-opacity:1;fill-rule:evenodd;stroke:#0076d2;stroke-width:1pt;stroke-opacity:1"
         d="M 0,0 5,-5 -12.5,0 5,5 Z"
         id="path1631" />
    </marker>
    <marker
       style="overflow:visible"
       id="marker1563"
       refX="0"
       refY="0"
       orient="auto"
       inkscape:stockid="Arrow1Lstart"
       inkscape:isstock="true"
       inkscape:collect="always">
      <path
         transform="matrix(0.8,0,0,0.8,10,0)"
         style="fill:#0076d2;fill-opacity:1;fill-rule:evenodd;stroke:#0076d2;stroke-width:1pt;stroke-opacity:1"
         d="M 0,0 5,-5 -12.5,0 5,5 Z"
         id="path1561" />
    </marker>
    <marker
       style="overflow:visible"
       id="marker1427"
       refX="0"
       refY="0"
       orient="auto"
       inkscape:stockid="Arrow1Lend"
       inkscape:isstock="true">
      <path
         transform="matrix(-0.8,0,0,-0.8,-10,0)"
         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
         d="M 0,0 5,-5 -12.5,0 5,5 Z"
         id="path1425" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow1Lend"
       refX="0"
       refY="0"
       orient="auto"
       inkscape:stockid="Arrow1Lend"
       inkscape:isstock="true">
      <path
         transform="matrix(-0.8,0,0,-0.8,-10,0)"
         style="fill:#0076d2;fill-opacity:1;fill-rule:evenodd;stroke:#0076d2;stroke-width:1pt;stroke-opacity:1"
         d="M 0,0 5,-5 -12.5,0 5,5 Z"
         id="path936" />
    </marker>
    <marker
       style="overflow:visible"
       id="Arrow1Lstart"
       refX="0"
       refY="0"
       orient="auto"
       inkscape:stockid="Arrow1Lstart"
       inkscape:isstock="true">
      <path
         transform="matrix(0.8,0,0,0.8,10,0)"
         style="fill:#000000;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1pt;stroke-opacity:1"
         d="M 0,0 5,-5 -12.5,0 5,5 Z"
         id="path933" />
    </marker>
  </defs>
  <sodipodi:namedview
     id="base"
     pagecolor="#ffffff"
     bordercolor="#666666"
     borderopacity="1.0"
     inkscape:pageopacity="0.0"
     inkscape:pageshadow="2"
     inkscape:zoom="0.86157734"
     inkscape:cx="336.86491"
     inkscape:cy="262.93042"
     inkscape:document-units="mm"
     inkscape:current-layer="layer1"
     inkscape:document-rotation="0"
     showgrid="false"
     showguides="false"
     inkscape:snap-global="false"
     inkscape:window-width="1440"
     inkscape:window-height="800"
     inkscape:window-x="0"
     inkscape:window-y="25"
     inkscape:window-maximized="0" />
  <metadata
     id="metadata5">
    <rdf:RDF>
      <cc:Work
         rdf:about="">
        <dc:format>image/svg+xml</dc:format>
        <dc:type
           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
        <dc:title />
      </cc:Work>
    </rdf:RDF>
  </metadata>
  <g
     inkscape:label="Layer 1"
     inkscape:groupmode="layer"
     id="layer1">
    <rect
       style="opacity:1;fill:#7465c7;fill-opacity:1;stroke:#000000;stroke-width:0.221728"
       id="rect833"
       width="49.568058"
       height="8.4074545"
       x="83.781494"
       y="11.237141" />
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.264583"
       x="84.975464"
       y="17.956341"
       id="text837"><tspan
         sodipodi:role="line"
         id="tspan835"
         x="84.975464"
         y="17.956341"
         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#ffffff;fill-opacity:1;stroke-width:0.264583">users</tspan></text>
    <rect
       style="opacity:1;fill:#c6c0e8;fill-opacity:1;stroke:#000000;stroke-width:0.221728"
       id="rect839"
       width="49.568058"
       height="8.4074545"
       x="83.781494"
       y="19.644596" />
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583"
       x="85.534462"
       y="26.922791"
       id="text843"><tspan
         sodipodi:role="line"
         id="tspan841"
         x="85.534462"
         y="26.922791"
         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke-width:0.264583">id</tspan></text>
    <rect
       style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:0.221728"
       id="rect845"
       width="49.568058"
       height="8.4074545"
       x="83.781494"
       y="28.052052" />
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583"
       x="85.534462"
       y="35.330242"
       id="text849"><tspan
         sodipodi:role="line"
         id="tspan847"
         x="85.534462"
         y="35.330242"
         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke-width:0.264583">username</tspan></text>
    <rect
       style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:0.221728"
       id="rect851"
       width="49.568058"
       height="8.4074545"
       x="83.781494"
       y="36.459507" />
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583"
       x="85.139191"
       y="42.947163"
       id="text855"><tspan
         sodipodi:role="line"
         id="tspan853"
         x="85.139191"
         y="42.947163"
         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke-width:0.264583">password</tspan></text>
    <rect
       style="opacity:1;fill:#7465c7;fill-opacity:1;stroke:#000000;stroke-width:0.221728"
       id="rect857"
       width="49.568058"
       height="8.4074545"
       x="83.450951"
       y="57.483639" />
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.264583"
       x="84.580193"
       y="64.202843"
       id="text861"><tspan
         sodipodi:role="line"
         id="tspan859"
         x="84.580193"
         y="64.202843"
         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#ffffff;fill-opacity:1;stroke-width:0.264583">photos</tspan></text>
    <rect
       style="opacity:1;fill:#c6c0e8;fill-opacity:1;stroke:#000000;stroke-width:0.221728"
       id="rect863"
       width="49.568058"
       height="8.4074545"
       x="83.450951"
       y="65.891106" />
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583"
       x="85.139191"
       y="72.77401"
       id="text867"><tspan
         sodipodi:role="line"
         id="tspan865"
         x="85.139191"
         y="72.77401"
         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke-width:0.264583">id</tspan></text>
    <rect
       style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:0.221728"
       id="rect875"
       width="49.568058"
       height="8.4074545"
       x="83.450951"
       y="82.706009" />
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583"
       x="84.743919"
       y="89.193665"
       id="text879"><tspan
         sodipodi:role="line"
         id="tspan877"
         x="84.743919"
         y="89.193665"
         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke-width:0.264583">caption</tspan></text>
    <rect
       style="opacity:1;fill:#c6c0e8;fill-opacity:1;stroke:#000000;stroke-width:0.221728"
       id="rect883"
       width="49.568058"
       height="8.4074545"
       x="83.450951"
       y="74.298553" />
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583"
       x="85.139191"
       y="81.181465"
       id="text887"><tspan
         sodipodi:role="line"
         id="tspan885"
         x="85.139191"
         y="81.181465"
         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke-width:0.264583">user_id</tspan></text>
    <rect
       style="opacity:1;fill:#7465c7;fill-opacity:1;stroke:#000000;stroke-width:0.221728"
       id="rect889"
       width="49.568058"
       height="8.4074545"
       x="4.001833"
       y="33.372219" />
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.264583"
       x="5.1310749"
       y="40.091419"
       id="text893"><tspan
         sodipodi:role="line"
         id="tspan891"
         x="5.1310749"
         y="40.091419"
         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#ffffff;fill-opacity:1;stroke-width:0.264583">likes</tspan></text>
    <rect
       style="opacity:1;fill:#c6c0e8;fill-opacity:1;stroke:#000000;stroke-width:0.221728"
       id="rect895"
       width="49.568058"
       height="8.4074545"
       x="4.001833"
       y="41.779682" />
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583"
       x="5.6900749"
       y="48.662586"
       id="text899"><tspan
         sodipodi:role="line"
         id="tspan897"
         x="5.6900749"
         y="48.662586"
         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke-width:0.264583">user_id</tspan></text>
    <rect
       style="opacity:1;fill:#c6c0e8;fill-opacity:1;stroke:#000000;stroke-width:0.221728"
       id="rect901"
       width="49.568058"
       height="8.4074545"
       x="4.001833"
       y="50.18713" />
    <text
       xml:space="preserve"
       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;line-height:1.25;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583"
       x="5.6900749"
       y="57.070042"
       id="text905"><tspan
         sodipodi:role="line"
         id="tspan903"
         x="5.6900749"
         y="57.070042"
         style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:7.05556px;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;fill:#000000;fill-opacity:1;stroke-width:0.264583">photo_id</tspan></text>
    <path
       style="fill:none;stroke:#0076d2;stroke-width:0.365;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#marker1633)"
       d="M 83.730449,70.363059 53.849385,54.65909"
       id="path931" />
    <path
       style="fill:none;stroke:#0076d2;stroke-width:0.365;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#marker1563);marker-mid:url(#Arrow1Lend)"
       d="M 83.717739,23.546297 53.392251,46.045849"
       id="path1397" />
    <path
       style="fill:none;stroke:#0076d2;stroke-width:0.365;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;marker-start:url(#marker1751)"
       d="m 133.32855,23.965545 c 0,0 9.25195,18.345769 9.08367,28.22925 -0.15929,9.355318 -9.50291,26.412514 -9.50291,26.412514"
       id="path1677"
       sodipodi:nodetypes="cac" />
  </g>
</svg>