1. 鏀瑰彉鍒楃殑鏄劇ず闀垮害
COLUMN column_name FOR[MAT] format
澶囨敞錛?nbsp;
娉ㄦ剰璇ュ懡浠ゅ皢淇濇寔涓鐩寸敓鏁堢洿鑷寵緭鍏ヤ簡涓涓柊鐨勬牸寮忓兼垨鑰呴鍑轟簡SQL*PLUS, 鍏朵腑瀛楁綾誨瀷鍙互涓篊har, Varchar2, varchar銆?/span>
濡傛灉SQL*PLUS鐨刉ARP鍙橀噺鐨勫艱璁劇疆涓?寮"(榛樿鍊?, 閭d箞瀛楁鐨勫唴瀹瑰皢浼氬湪format鍛戒護瑙勫畾鐨勯暱搴﹀鎶樿, 鍚﹀垯鐨勮瘽瓚呰繃瑙勫畾闀垮害鐨勫悗緇瓧絎﹀皢浼氳鎴彇銆?br />
濡傛灉浣犳湁澶氫釜鐩稿悓鏄劇ず灞炴х殑鍒楅渶瑕佽緗紝閭d箞浣跨敤column 瀛楁鍚?like 浣犳兂瑕佸鍒舵樉紺哄睘鎬х殑瀛楁heading 瀛楁鍚嶃傛敞鎰忓鏋滀笉鍔犱笂鍚庨潰heading 瀛楁鍚嶉偅涔堝鍒剁殑鏃跺欒繛瀛楁鍚嶉兘浼氬鍒惰繃鍘伙紝鏄劇劧涓嶉傚悎涓鑸姹傘?br />
2. 鏍煎紡鍖朜UMBER綾誨瀷鍒楃殑鏄劇ず
SQL> COLUMN SAL FORMAT $99,990
3. 鏄劇ず鍒楀兼椂錛屽鏋滃垪鍊間負NULL鍊鹼紝鐢╰ext鍊間唬鏇縉ULL鍊?nbsp;
COMM NUL[L] text
SQL>COL COMM NUL[L] text
4. 璁劇疆涓涓垪鐨勫洖緇曟柟寮?nbsp;
WRA[PPED]|WOR[D_WRAPPED]|TRU[NCATED]
澶囨敞錛氭鍛戒護甯稿拰format鍚堢敤錛屽綋鍒楀艱繃闀挎椂鍙互浣跨敤璇ュ懡浠ゆ牸寮忚瘽杈撳嚭, wrapped鏍規(guī)嵁瀛楃闀垮害鎺у埗, word_wrapped鏍規(guī)嵁鍗曡瘝鎺у埗, truncated鍒欑洿鎺ユ埅鍙栫瓑闀垮瓧絎︺?/span>