-- 1 Delete 一般是删除表里的数据DELETEFROMtb_userWHEREusername='jack'ORDERBYtimestamp_columnLIMIT1;DELETEt1FROMt1LEFTJOINt2ONt1.id=t2.idWHEREt2.idISNULL;DELETEa1,a2FROMt1ASa1INNERJOINt2ASa2WHEREa1.id=a2.id;-- 2 DROP是
mysql> CREATE PROCEDURE insert_user_data(num INTEGER) -> BEGIN -> DECLARE v_i int unsigned DEFAULT 0; -> set autocommit= 0; -> WHILE v_i -> insert into user(`name`, age, gender, phone) values (CONCAT('lyn',v_i), mod(v_i,120), 'M', CONCAT('152',ROUND(RAND(1)*100000000...
CREATE PROCEDURE p_load(count INT UNSIGNED) BEGIN DECLARE s INT UNSIGNED DEFAULT 1; DECLARE c CHAR(80)DEFAULT REPEAT('a',80); WHILE s<=count DO INSERT INTO test_load SELECT NULL,c; COMMIT; SET s=s+1; END WHILE; END; // DELIMITER; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11....
mysql>DELIMITER$$mysql>CREATEPROCEDUREinsert_user_data(numINTEGER)->BEGIN->DECLAREv_iintunsignedDEFAU...
mysql>DELIMITER$$ mysql>CREATEPROCEDUREinsert_user_data(numINTEGER)->BEGIN->DECLAREv_i int unsignedDEFAULT0;->setautocommit=0;->WHILEv_i<numDO->insert intouser(`name`,age,gender,phone)values(CONCAT('lyn',v_i),mod(v_i,120),'M',CONCAT('152',ROUND(RAND(1)*100000000)));->SETv_i=v...
mysql>DELIMITER $$ mysql>CREATEPROCEDUREinsert_user_data(numINTEGER)->BEGIN->DECLAREv_iintunsignedDEFAULT0;->setautocommit=0;->WHILE v_i<num DO->insertintouser(`name`, age, gender, phone)values(CONCAT('lyn',v_i),mod(v_i,120),'M', CONCAT('152',ROUND(RAND(1)*100000000)));->SETv...
I'm converting a SQL Server database to MySQL. There's a stored procedure in SQL Server that deletes records in a table based on a where clause with 3 field qualifiers. Here's the SQL Server sproc syntax: ALTER Procedure [dbo].[spPickLineDelete] (@PickListNumber nchar(11) ...
Table of content MySQL DELETE Statement Deleting Data from a MySQL Table Delete Query in MySQL Using a Client Program Previous Quiz Next MySQL DELETE StatementIf we want to delete a record from any MySQL table, then we can use the SQL command DELETE FROM. This statement is a part of Data...
mysql> DELIMITER $$ mysql> CREATE PROCEDURE insert_user_data(num INTEGER) -> BEGIN -> DECLARE v_i int unsigned DEFAULT 0; -> set autocommit= 0; -> WHILE v_i < num DO -> insert into user(`name`, age, gender, phone) values (CONCAT('lyn',v_i), mod(v_i,120), 'M', CONCAT...
CREATE PROCEDURE `test-db`.`spPickLineDelete` () BEGIN declare var_PickListNumber nchar(11); declare var_PickListSuffix nchar(3); declare var_OrderLine nchar(6); select Value1,value2,value3 into PickListNumber ,PickListSuffix ,OrderLine ...