LOOP、EXIT和EXIT WHEN、END LOOP 循环控制的三种类型: LOOP -基本循环 WHILE -根据条件循环 FOR -固定次数的循环 create table T_TEST ( id number(5), num number(10) ); 1. 2. 3. 4. 5. LOOP 语法 LOOP sequence_of_statements END LOOP; 1. 2. 3. 4. 5. 示例 DECLARE v_count NUMBER(5)...
CREATE TABLE temp_table(num_col NUMBER); DECLARE V_counter NUMBER := 10; BEGIN INSERT INTO temp_table(num_col) VALUES (v_counter ); FOR v_counter IN 20 .. 25 LOOP INSERT INTO temp_table (num_col ) VALUES ( v_counter ); END LOOP; INSERT INTO temp_table(num_col) VALUES (v_cou...
DELIMITER // CREATE PROCEDURE BatchInsert() BEGIN DECLARE i INT DEFAULT 1; DECLARE max_rows INT DEFAULT 10; my_loop: LOOP INSERT INTO example_table (column1, column2) VALUES (i, CONCAT('Data ', i)); SET i = i + 1; IF i > max_rows THEN LEAVE my_loop; END IF; END LOOP my...
Description:A statement "CREATE TABLE IF NOT EXISTS t1 AS SELECT * FROM t2" produces an infinite loop when both tables are read locked. The loop happens in check_locks() called by thr_lock() by thr_multi_lock() by mysql_lock_tables() by create_table_from_items() by select_create::...
--创建一个用于保存teacher操作记录的表createtableteacher_log(logidnumbernotnull, old_valuevarchar2(150), create_date date, log_typenumber, t_nonumber); --创建主键altertableteacher_logaddconstraintpk_teacher_logidprimarykey(logid); --创建序列createsequence sq_teacherLog_logid minvalue1maxvalue999...
SET search_path = data_edw; CREATE TABLE pa_0001_in_sec_acct ( query_id character varying(10), sec_acct character varying(20), …… ) WITH (orientation=column, compression=middle, colversion=2.0, enable_delta=false) DISTRIBUTE BY HASH(sec_acct) TO GROUP group_version1; ■ 表行记录数...
Using loop and array to create table James Flood October 30, 2009 05:00AM Re: Using loop and array to create table Peter Brawley October 30, 2009 07:44AM Re: Using loop and array to create table James Flood October 30, 2009 08:02AM Re: Using loop and array to create table...
I want to create a new datatable for each time in the for loop 複製 For Z As Integer = 0 To SelectedMetricsCount - 1 'Create DataTable 'Add Columns 'Create Datarow and add data Next TIA All replies (11) Monday, June 6, 2011 4:33 PM ✅Answered All of the previous posts wil...
-- 创建测试表create table user (uid int primary_key,username varchar ( 50 ),password varchar ( 50 )); -- ---存储过程-whiledelimiter $$create procedure proc16_while1(in insertcount int)begindeclare i int default 1;label:while i<=insertcount doinsert into user(uid,username,`password`...
DROPTABLECOUNTRY;CREATE(NOT,(50)NOTNULL)DROPTABLECITY;CREATETABLE(CITY_IDVARCHAR(50)NOTNULL,CITY_NAMEVARCHAR(50)NOTNULL,COUNTRY_IDSMALLINTNOTNULL);BEGINFOR1..10LOOPINSERTINTOCOUNTRYVALUES(I,'country'||I);ENDLOOP;COMMIT;END;BEGINFORIIN1..10000LOOPINSERTINTOCITYVALUES(I,'city'||I,CEIL(I/1000...