方式一:循环游标 CREATE OR REPLACE PROCEDURE "PRO_ADATA_CHECK_TABLE2"( IN_ORG_CODE VARCHAR2, IN_BATCH_CODE VARCHAR2, OUT_TABLENAME OUT VARCHAR2 ) IS --设置变量 V_ ORACLE SQL oracle 存储过程 原创 Marydon 2023-02-15 00:52:50
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...
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...
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...
mysql> create procedure pro11() -> begin -> declare i int default 0; -> repeat -> insert into t1(filed) values(i); -> set i=i+1; -> until i>=5 -> end repeat; -> end;// Query OK, 0 rows affected (0.00 sec) 这个REPEAT循环的功能和前面WHILE循环一样,区别在于它的执行后检查...
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::...
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...
DELIMITER $$ CREATE TRIGGER check_value_before_insert BEFORE INSERT ON your_table FOR EACH ROW BEGIN DECLARE counter INT DEFAULT 0; DECLARE max_attempts INT DEFAULT 5; loop_label: LOOP IF NEW.your_field > 10 THEN SET counter = counter + 1; IF counter >= max_attempts THEN LEAVE loop_la...
登录后复制-- 表1 a字段加索引 b字段没加CREATETABLE`t1` ( `id`intNOTNULLAUTO_INCREMENT COMMENT'主键', `a`intDEFAULTNULLCOMMENT'字段a', `b`intDEFAULTNULLCOMMENT'字段b',PRIMARYKEY (`id`), KEY `idx_a` (`a`) ) ENGINE=InnoDBDEFAULTCHARSET=utf8;-- 表2createtablet2liket1; ...