If a student gets more than 90% marks, it should display a message from the first IF statement 如果学生获得90%以上的分数,则应显示第一条IF语句中的消息 If a student gets more than 80% marks, it should display a message from the second IF statement 如果学生获得超过80%的分数,则应显示第二...
3) PL/pgSQL if-then-elsif Statement Unlike the if and if...then...else statements that evaluate only one condition, the if then elsif statement allows you to evaluate multiple conditions. and execute one or more statements when a condition is true. Here’s the syntax of the if...then...
Linux 中shell 脚本if判断多个条件 格式如下，在比较时，数字和字符串用不同的比较符号 1.如果a>b...
动态 SQL 之<foreach> 循环执行sql的拼接操作，例如：SELECT * FROM USER WHERE id IN (1,2,5)。
CASE Statement on multiple columns CASE STATEMENT RETURNING MULTIPLE ROWS Case Statement returning multiple values CASE statement returns "Invalid Column Name" Error Case statement that increments variable with 1 is giving error Case Statement using Divide CASE Statement when not null , else if Help Ca...
What if you want to select rows based on multiple conditions where some but not all of the conditions need to be met? For this, SQL has the OR operator. SELECT title FROM films WHERE(release_year=1994OR release_year=1995)AND(certification='PG'OR certification='R'); ...
SELECTid,...,creator,modifier,create_time,update_timeFROMstatementWHERE(account_number='XXX'ANDcreate_time>='2022-04-24 06:03:44'ANDcreate_time<='2022-04-24 08:03:44'ANDdc_flag='C')ORDERBYcreate_timeDESC,idDESCLIMIT0,1000; 优化
Here, theCASEstatement checks if theamountis greater than or equal to400. If this condition is satisfied, a new columnoffer_pricewill contain the values equal toamount - amount * 10/100. CASE With Multiple Conditions It is also possible to stack multiple conditions inside a singleCASEclause....
Conditions can have several forms, as shown in the following syntax. condition::= Description of the illustration condition.eps If you have installed Oracle Text, then you can create conditions with the built-in operators that are part of that product, including CONTAINS, CATSEARCH, and MATCHE...
Each matching row is updated once, even if it matches the conditions multiple times. For multiple-table syntax, ORDER BY and LIMIT cannot be used.这是一位读者,发给我的截图,从操作层面,论证了这个问题, SQL> update testupdate1 t1, testupdate2 t2set t1.name =...