{"id":112886,"date":"2024-01-13T11:28:03","date_gmt":"2024-01-13T09:28:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-firebird-5-0"},"modified":"2024-01-13T11:28:03","modified_gmt":"2024-01-13T09:28:03","slug":"vypusk-subd-firebird-5-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/no\/blog\/news\/vypusk-subd-firebird-5-0","title":{"rendered":"Utgivelsen av databasesystemet Firebird 5.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Etter to og et halvt \u00e5r med utvikling er relisen av den relasjonelle DBMS Firebird 5.0 lansert. Firebird fortsetter utviklingen av DBMS-koden InterBase 6.0, som ble \u00e5pnet av Borland i 2000. Firebird distribueres under den frie lisensen MPL og st\u00f8tter ANSI SQL-standarder, inkludert funksjoner som triggere, lagrede prosedyrer og replikering. Bin\u00e6re bygg er tilgjengelige for Linux, Windows, macOS og Android.    <\/p>\n<p>N\u00f8kkelnyheter:  <\/p>\n<ul>\n<li class=\"l\"> Muligheten for \u00e5 utf\u00f8re operasjoner i flertr\u00e5det modus er blitt implementert. Parallellisering med flere tr\u00e5der kan brukes ved indeksopprettelse, s\u00f8ppelt\u00f8mming (automatiske og manuelle sweep-operasjoner), oppretting av sikkerhetskopier og gjenoppretting fra dem. gfix -sweep -parallel 4 dbname gbak -b -par 4 -user username -pass password dbname backupname\n<li class=\"l\"> St\u00f8tte for partielle indekser er blitt lagt til, som inkluderer bare utvalgte poster som oppfyller betingelsene angitt ved oppretting av indeksen. CREATE INDEX IT1_COL ON T1 (COL) WHERE COL &lt; 100;\n<li class=\"l\"> I SELECT WITH LOCK, UPDATE og DELETE setninger er syntaksen \u00abSKIP LOCKED\u00bb implementert, som gj\u00f8r det mulig \u00e5 ekskludere poster som har en l\u00e5s ved tidspunktet for foresp\u00f8rselen (for eksempel for \u00e5 unng\u00e5 \u00e5 vente p\u00e5 at l\u00e5sen skal frigj\u00f8res ved overlapp med en annen transaksjon).\n<li class=\"l\"> Muligheten for \u00e5 oppdatere databasen til den nyeste mellomliggende versjonen av lagringsformatet (ODS \u2014 On-Disk-Structure) er lagt til, slik at det kan gj\u00f8res p\u00e5 flytende basis (inline update) uten \u00e5 opprette og gjenopprette fra en sikkerhetskopi. For eksempel kan n\u00e5 en database i Firebird 4.0 format (ODS 13.0) konverteres i sanntid til Firebird 5.0 format (ODS 13.1).\n<li class=\"l\"> Et automatisk cache for kompilerte SQL-uttrykk er implementert (utg\u00e5tte poster renses etter behov). St\u00f8rrelsen p\u00e5 cachen angis via parameteren MaxStatementCacheSize i firebird.conf.\n<li class=\"l\"> Et grensesnitt for profilering av SQL og PSQL er lagt til, som gj\u00f8r det mulig \u00e5 vurdere tiden det tar \u00e5 kj\u00f8re hver foresp\u00f8rsel, samle statistikk om antall foresp\u00f8rsel og identifisere ytelsesproblemer.\n<li class=\"l\"> MERGE-setningen har f\u00e5tt st\u00f8tte for den betingede blokken \u00abWHEN NOT MATCHED BY SOURCE\u00bb, som aktiveres n\u00e5r den opprinnelige posten ikke matcher noen poster i m\u00e5lsettet. MERGE INTO customers c USING new_customers nc ON (c.id = nc.id)  \tWHEN MATCHED THEN  \t\tUPDATE SET name = nc.name  \tWHEN NOT MATCHED BY SOURCE THEN  \t\tDELETE\n<li class=\"l\"> Det er n\u00e5 mulig \u00e5 returnere flere rader med RETURNING-setningen hvis den angitte DML-setningen dekker flere rader (tidligere ville det oppst\u00e5 en feil \u00abmultiple rows in singleton select\u00bb i slike tilfeller).\n<li class=\"l\"> Nye innebygde funksjoner er lagt til: UNICODE_CHAR for \u00e5 returnere unicode-tegnet som svarer til en gitt kode, og UNICODE_VAL for \u00e5 returnere koden for et gitt tegn. Parameteren QUARTER for \u00e5 bestemme kvartalnummeret er lagt til i funksjonene EXTRACT, FIRST_DAY og LAST_DAY.\n<li class=\"l\"> Det er lagt til en ny systempakke RDB$BLOB_UTIL med en samling av operasjoner for BLOB-er for PSQL-moduler.\n<li class=\"l\"> Algoritmen for komprimering av poster er forbedret, og den bruker n\u00e5 en variabel lengdeteller for mer effektiv pakkering av gjentatte datasekvenser. Optimaliseringen har f\u00f8rt til en betydelig \u00f8kning i kompresjonsgraden for delvis fylte lange VARCHAR-felter med data i UTF-8-koding.\n<li class=\"l\"> St\u00f8tte for toveis (scrollable) mark\u00f8rer ved ekstern nettverks tilgang til databasen er lagt til.\n<li class=\"l\"> Ytelsesoptimalisering av kopiering av BLOB-er er gjennomf\u00f8rt.\n<li class=\"l\"> Full st\u00f8tte for syntaksen for definisjon av strenger, som beskrevet i SQL-standarden, er lagt til. For eksempel kan strenger n\u00e5 brytes opp med kommentarer eller mellomrom: select \u2018ab\u2019 \/* comment *\/ \u2018cd\u2019 from RDB$DATABASE; select \u2018ab\u2019 \u2018cd\u2019 from RDB$DATABASE;    <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60430\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u0441 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u043e\u0439 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u0440\u0435\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0421\u0423\u0411\u0414 Firebird 5.0. Firebird \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043a\u043e\u0434\u0430 \u0421\u0423\u0411\u0414 InterBase 6.0, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0433\u043e \u0432 2000 \u0433\u043e\u0434\u0443 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Borland. Firebird \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MPL \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u044b ANSI SQL, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0442\u0430\u043a\u0438\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438, \u043a\u0430\u043a \u0442\u0440\u0438\u0433\u0433\u0435\u0440\u044b, \u0445\u0440\u0430\u043d\u0438\u043c\u044b\u0435 \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440\u044b \u0438 \u0440\u0435\u043f\u043b\u0438\u043a\u0430\u0446\u0438\u044e. \u0411\u0438\u043d\u0430\u0440\u043d\u044b\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f Linux, Windows, macOS \u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-112886","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u0441 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u043e\u0439 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u0440\u0435\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0421\u0423\u0411\u0414 Firebird 5.0. 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Firebird fortsetter utviklingen av databasen InterBase 6.0, som ble \u00e5pnet i 2000 av Borland.","canonical_url":"https:\/\/prohoster.info\/no\/blog\/news\/vypusk-subd-firebird-5-0","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"nn_NO","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 Firebird 5.0 | ProHoster","og:description":"\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u0441 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u043e\u0439 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u0440\u0435\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0421\u0423\u0411\u0414 Firebird 5.0. 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