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DAO - Data Access Object is a pattern that provides an abstract interface to some type of database or other persistence mechanism, acronym concept on blackboard
There is notebook with the word OODA. It is an abbreviation for Observe, Orient, Decide, Act as eye-catching image.
3D Isometric Flat Conceptual Illustration of Pituary Gland, Educational Schema
Vision word - Concept handwriting on label with compass

Free stock photosschema (25500)

Summon rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/summon-rosette-339283979">Image used under license from Freestock.com</a>
Business card, vintage style. Elegant design. Vector illustration. With guilloche pattern. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/business-card-vintage-style-elegant-design-426556081">Image used under license from Freestock.com</a>
Young handsome man holding tool with raindrop graphicImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-handsome-man-holding-tool-raindrop-653378854">Image used under license from Freestock.com</a>
Red Awesome Certificate template. With great quality guilloche pattern. Award. Money Pattern. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/red-awesome-certificate-template-great-quality-388868974">Image used under license from Freestock.com</a>
Good Business grunge sealImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/good-business-grunge-seal-429045412">Image used under license from Freestock.com</a>
Young, handsome, cute businessman holding tool with grey backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-handsome-cute-businessman-holding-tool-653380738">Image used under license from Freestock.com</a>
Young handsome man holding tool with raindrop graphicImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-handsome-man-holding-tool-raindrop-667170502">Image used under license from Freestock.com</a>
ISO 9001 linear rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/iso-9001-linear-rosette-355089059">Image used under license from Freestock.com</a>
Certificate template or diploma template. Cordial design. Detailed.With great quality guilloche pattern. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-template-diploma-template-cordial-design-274661825">Image used under license from Freestock.com</a>
Account gold emblem or badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/account-gold-emblem-badge-362768189">Image used under license from Freestock.com</a>
Handsome businessman holding tool with dollar symbols around and with green backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/handsome-businessman-holding-tool-dollar-symbols-684131842">Image used under license from Freestock.com</a>
beautiful kid colouring a drawing - outline of the book drawing was done by myselfImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-kid-colouring-drawing-outline-book-1617156">Image used under license from Freestock.com</a>
3D Business man with a pie chart - isolated over a white backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/3d-business-man-pie-chart-isolated-76362979">Image used under license from Freestock.com</a>
Young serious businesman holding tool with wrench icons around Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-serious-businesman-holding-tool-wrench-662095336">Image used under license from Freestock.com</a>
Young handsome businessman working late at night in the office with blue calculations in the backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-handsome-businessman-working-late-night-617975138">Image used under license from Freestock.com</a>
Certificate. Sophisticated design. With guilloche pattern and background. Vector certificate template.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-sophisticated-design-guilloche-pattern-background-313059467">Image used under license from Freestock.com</a>
Doctor touching blue screen with call center conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/doctor-touching-blue-screen-call-center-1383571985">Image used under license from Freestock.com</a>
Sample Certificate. Vector pattern that is used in money and certificate. Artistry design. With quality background. Light blue color.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/sample-certificate-vector-pattern-used-money-381879604">Image used under license from Freestock.com</a>
Easy Money colorful posterImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/easy-money-colorful-poster-347698841">Image used under license from Freestock.com</a>
Light blue Classic Certificate template. With great quality guilloche pattern. Money Pattern design. Award. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/light-blue-classic-certificate-template-great-381311056">Image used under license from Freestock.com</a>
Better-looking businesman holding tool with idea bulbs concepImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/betterlooking-businesman-holding-tool-idea-bulbs-654883237">Image used under license from Freestock.com</a>
Certificate. Vector illustration.Sophisticated design. With guilloche pattern. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-vector-illustrationsophisticated-design-guilloche-pattern-360316109">Image used under license from Freestock.com</a>
Varicolored patterned abstract of serrated zigzags on dark blue backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/varicolored-patterned-abstract-serrated-zigzags-dark-246549847">Image used under license from Freestock.com</a>
team with arms together in cooperation to look for success - isolated over a white backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/team-arms-together-cooperation-look-success-3334197">Image used under license from Freestock.com</a>
Young handsome businessman working late at night in the office with blue mathematic charts in the backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-handsome-businessman-working-late-night-626434379">Image used under license from Freestock.com</a>
Geometric varicolored abstract of zigzags in a repetitive pattern for decoration and backgrounds with mathematical or architectural motifsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/geometric-varicolored-abstract-zigzags-repetitive-pattern-268068830">Image used under license from Freestock.com</a>
Young businessman in black suit standing in front of a black world map Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-black-suit-standing-front-621637580">Image used under license from Freestock.com</a>
A successful confident businessman near graph pie charts and calculations conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/successful-confident-businessman-graph-pie-charts-481523236">Image used under license from Freestock.com</a>
Certificate template or diploma template. Vector pattern that is used in currency and diplomas.Complex background. Superior design. Orange color.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-template-diploma-template-vector-pattern-403507468">Image used under license from Freestock.com</a>
Young handsome businessman working late at night in the office with a dark backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-handsome-businessman-working-late-night-644329813">Image used under license from Freestock.com</a>
Organization badge with wooden backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/organization-badge-wooden-background-423710731">Image used under license from Freestock.com</a>
Young handsome businessman working late at night in the office with warm lights in the backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-handsome-businessman-working-late-night-653371372">Image used under license from Freestock.com</a>
Certificate or diploma template. With guilloche pattern. Modern design. Frame certificate template Vector.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-diploma-template-guilloche-pattern-modern-354489641">Image used under license from Freestock.com</a>
Awesome Certificate templateAward. Money Pattern. With great quality guilloche pattern. Pink color.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/awesome-certificate-templateaward-money-pattern-great-370731005">Image used under license from Freestock.com</a>
Pattern of conglomerate patio stonesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pattern-conglomerate-patio-stones-34623022">Image used under license from Freestock.com</a>
Better-looking businesman holding tool with idea bulbs concepImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/betterlooking-businesman-holding-tool-idea-bulbs-670214773">Image used under license from Freestock.com</a>
Business woman with hand extended to handshake - isolated ove whiteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/business-woman-hand-extended-handshake-isolated-133879307">Image used under license from Freestock.com</a>
Young handsome man holding tool with raindrop graphicImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-handsome-man-holding-tool-raindrop-645127594">Image used under license from Freestock.com</a>
Residual Income rubber stamp with grunge textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/residual-income-rubber-stamp-grunge-texture-391814869">Image used under license from Freestock.com</a>
Young handsome man holding tool with raindrop graphicImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-handsome-man-holding-tool-raindrop-636065816">Image used under license from Freestock.com</a>
Awesome Certificate template. Money Pattern. Award. With great quality guilloche pattern. Blue color.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/awesome-certificate-template-money-pattern-award-386755876">Image used under license from Freestock.com</a>
A man standing on a ladder and drawing a chart on blue wall background with exponential progressing curve, lineImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/man-standing-ladder-drawing-chart-blue-628054205">Image used under license from Freestock.com</a>
Sample Diploma. Retro design. Vector pattern that is used in currency and diplomas.With guilloche pattern. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/sample-diploma-retro-design-vector-pattern-277977173">Image used under license from Freestock.com</a>
Handsome businessman holding tool with dollar symbols around and with green backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/handsome-businessman-holding-tool-dollar-symbols-662095297">Image used under license from Freestock.com</a>
Sample Warranty certificate template. Vector illustration. With guilloche pattern and background. Elegant design. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/sample-warranty-certificate-template-vector-illustration-431973640">Image used under license from Freestock.com</a>
Business strategy gold badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/business-strategy-gold-badge-260736845">Image used under license from Freestock.com</a>
Young serious businesman holding tool with wrench icons around Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-serious-businesman-holding-tool-wrench-635195093">Image used under license from Freestock.com</a>
Gift certificate template. Cordial design. Vector illustration.With guilloche pattern and background. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/gift-certificate-template-cordial-design-vector-359375231">Image used under license from Freestock.com</a>
Thoughtful businesman holding tool with communication symbols aroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/thoughtful-businesman-holding-tool-communication-symbols-618011186">Image used under license from Freestock.com</a>
Young handsome businessman working late at night in the office with city lights in the backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-handsome-businessman-working-late-night-628072820">Image used under license from Freestock.com</a>

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