CREATE DEFINER=`root`@`localhost` PROCEDURE `generateBigDataUser`(IN num INT) BEGIN #Routine body goes here... #申明变量i,默认为1 DECLARE i INT DEFAULT 1; #当i小于传入的参数时执行循环插入 WHILE i <= num DO INSERT INTO `big_data_
FLOOR(RAND()*1000));SET@key_part2:=CONCAT('Key_Part2_',FLOOR(RAND()*1000));SET@key_part3:=CONCAT('Key_Part3_',FLOOR(RAND()*1000));SET@common_field:=CONCAT('Common_',FLOOR(RAND()*1000));--插入数据INSERTINTOs1(key1,key2,key3,key_...
do { printf("%d",i); i--; }while(i>=0); where 'i' is the loop variable. Answer and Explanation:1 Both for loop and while loop can run multiple statements in successive repetition efficiently. Considerations: The 'While' loop is implemented in... ...
WHILE i < n DO SET return_str =CONCAT(return_str,SUBSTRING(chars_str,FLOOR(1+RAND()*52),1)); SET i = i + 1; END WHILE; RETURN return_str; END // DELIMITER ; 创建存储过程 创建往s1表中插入数据的存储过程: DELIMITER // CREATE PROCEDURE insert_s1 (IN min_num INT (10),IN max_...
SUCCESS: RETURN 0 FAIL: RETURN -200 while表达式 while 条件表达式 do 逻辑体; end while; LOOP表达式 LOOP... END LOOP;例: OPEN c1; ins_loop: LOOP FETCH c1 INTO v_dept, v_deptname, v_admdept; IF at_end = 1 THEN LEAVEins_loop; --中断循环 ELSEIF v_dept = 'D11' THEN ITERATEins...
For example, when the SQL statement contains bind variables the plan shown from using EXPLAIN PLAN ignores the bind variable values while the plan shown in V$SQL_PLAN takes the bind variable values into account in the plan generation process. It is easy to display an execution plan using the...
1CREATE DEFINER=`root`@`localhost` PROCEDURE `generateBigDataGroup`(IN num INT) 2BEGIN 3 #Routine body goes here... 4 DECLARE i INT DEFAULT 1; 5 6 #当i小于传入的参数时执行循环插入 7 WHILE i <= num DO 8 INSERT INTO `big_data_group`(`group_code`, `number_of_people`, `gmt_crea...
What would happen to the time complexity (Big-O) of the methods in an array implementation of a stack if the top of the stack were at position 0? Explain. Explain array in java. Explain the difference between while loop and for loop? Give an example for the while loop and the for lo...
Creating a menu using while loop Creating a Self Extracting Exe in C# Creating a wrapper for C++ DLL Creating a zip file using encoded string Creating an endless loop that does not freeze a windows form application. creating an hyperlink text in a message body of email sent in c# Creating...
C++ - do-While Loop C++ - Control Statements C++ - Tokens C++ - Jump Statements C++ - Expressions C++ - Constants C++ - Character Set C++ - Iteration Statements C++ - I/O Statements C++ - String C++ - Manipulators C++ Operator C++ - Input/Output Operator C++ - Operator Overloading C++ ...