Tag:Number of groups

  • 34. Bubble sort

    Time:2021-3-11

    Reference website https://visualgo.net/ Bubble sort: Compare the two numbers in pairs Before < after, the latter one continues to compare with the next one Before > after, switch positions, and then compare with the next one After the first round of comparison, the position of the last number can be determined The second round is […]

  • What percentage% is graded before PL / SQL exercise 3

    Time:2020-8-21

    Create table t_ Googs, insert a 7-line statement. CREATE TABLE T_GOOGS( GOODS_TYPE VARCHAR2(10), GOODS_NAME VARCHAR2(20), PRICE NUMBER(5) ); INSERT INTO T_ Googs values (‘mobile phone ‘,’ Huawei mate ‘, 2999); INSERT INTO T_ Googs values (‘mobile phone ‘,’ Apple iPhone ‘, 7999); INSERT INTO T_ Googs values (‘mobile phone ‘,’ millet ‘, 1999); INSERT INTO […]