SQL ⢠ãªã¬ã¼ã·ã§ãã«ãã¼ã¿ãã¼ã¹ã·ã¹ãã ã¨ä¼è©±ããããã®è¨èª ⢠1970å¹´ Codd ã RDB ã¢ãã«ã¨åæã«ææ¡ (Alphaè¨èª) ⢠1974å¹´ Chamberlin 㨠Boyce ãæ¹è¯ â¢ å ã 㯠SEQUEL (Structured English Query Language) ã ã£ããã忍ç»é²ããã¦ãã ⢠èªã¿æ¹ã¯ ã¨ã¹ãã¥ã¼ã¨ã« ã¨ãã®ã¾ã¾èªã (Glliespie 2012) SQL ⢠SQL ã¯ç®çå¥ã« 4ã¤ã«åãããã ⢠DCL (ãã¼ã¿å¶å¾¡è¨èª) GRANT ã¨ã ⢠DDL (ãã¼ã¿å®ç¾©è¨èª) CREATE TABLE ã¨ã ⢠TCL (ãã©ã³ã¶ã¯ã·ã§ã³å¶å¾¡è¨èª) ROLLBACK ã¨ã ⢠DML (ãã¼ã¿æä½è¨èª) ⢠INSERT, UPDATE, DELETE, SELECT ⢠ãã¼ã¿åæè ã«ã¨ã£ã¦éè¦ãªã®ã¯ SELECT æ


{{#tags}}- {{label}}
{{/tags}}