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="t18" SQL中单记录 1.ASCII 返回和指定对应十进制数; SQL select ascii('A') A,ascii('a') a,ascii('0') zero,ascii(' ') space from dual; A A ZERO SPACE --------- --------- --------- --------- 65 97 48 32 2.CHR 给出整数,返回对应; SQL select chr(54740) zhao,chr(65) chr65 from dual; ZH C -- - 赵 A 3.CONCAT 连接两个串; SQL s [阅读全文] [PDF]
="t18"    SQL中单记录1.ASCII返回和指定对应十进制数;SQL select ascii(A) A,ascii(a) a,ascii(0) zero,ascii( ) space from dual; A A ZERO SPACE--------- --------- --------- --------- 65 97 48 322.CHR给出整数,返回对应;SQL se [阅读全文] [PDF]
SQL中单记录1.ASCII返回和指定对应十进制数;SQL select ascii('A') A,ascii('a') a,ascii('0') zero,ascii(' ') space from dual; A A ZERO SPACE--------- --------- --------- --------- 65 97 48 322.CHR给出整数,返回对应;SQL select chr(54740) zhao,chr(65) chr65 from dual;ZH C-- -赵 A [阅读全文] [PDF]
SQL中单记录 1.ASCII 返回和指定对应十进制数; SQL select ascii('A') A,ascii('a') a,ascii('0') zero,ascii(' ') space from dual; A A ZERO SPACE --------- --------- --------- --------- 65 97 48 32 2.CHR 给出整数,返回对应; SQL select chr(54740) zhao,chr(65) chr65 from dual; ZH C -- - 赵 A 3.CONCAT 连接两个串; SQL select concat('010-' [阅读全文] [PDF]
Oracle SQL 內置函數大全幻灯片:http://www.cnblogs.com/Files/Dicky/Oracle_SQL_Function.rar1\" align=\"top\" alt=\"\"/SQL中单记录2\" align=\"top\" alt=\"\"/1.ASCII3\" align=\"top\" alt=\"\"/返回和指定对应十进制数;4\" align=\"top\" alt=\"\"/SQLselectascii(\'A\')A,ascii(\'a\ [阅读全文] [PDF]
SQL中单记录1.ASCII返回和指定对应十进制数;SQL select ascii(\'A\') A,ascii(\'a\') a,ascii(\'0\') zero,ascii(\' \') space from dual; A A ZERO SPACE--------- --------- --------- --------- 65 97 48 322.CHR给出整数,返回对应;SQL select chr(54740) zhao,chr(65) chr65 from dual; [阅读全文] [PDF]
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