我有一个表,有两个insert触发器,update.The记录数是700000,delete from table很慢,这个问题对insert和after update触发器有问题吗?
我的触发器:
ALTER TRIGGER [dbo].[FillFinallAmount_UpdateTR] ON [dbo].[StuffPriceInfo]
after Update AS
--declare var
select @fatherid=i.FatherPriceInfoId from inserted i;
select @priceid=i.PriceInfoId f
我使用的是MySQL 5.5,我有以下的sql:
UPDATE t SET val = 1 WHERE id IN ( SELECT id FROM temp1);
UPDATE t SET val = 2 WHERE id IN ( SELECT id FROM temp2 );
UPDATE t SET val = 3 WHERE id IN ( SELECT id FROM temp3 );
UPDATE t SET val = 4 WHERE id IN ( SELECT id FROM temp4 );
UPDATE t SET val = 5 WHERE id IN (
此查询产生预期结果:
SELECT DISTINCT
a.AS_No SOURCE, b.AS_No TARGET, DATE(c.Time) as Time
FROM
as_path a,
as_path b,
update_detail c
WHERE
a.Update_ID = b.Update_ID
AND a.Path_Index = b.Path_Index - 1
AND a.Update_ID IN (
SELECT Update_ID FROM (
我试图在Server中转换db2触发器。我已经改变了一些东西作为NEWDOC和OLDDOC引用和删除‘然后’关键字。
我仍然收到这个错误:
Incorrect syntax near ';'.
Incorrect syntax near the keyword 'IF'.
SQL是:
-- <ScriptOptions statementTerminator="!" />
CREATE TRIGGER DOCUMENTS_UPDATE ON DOCUMENTS_VIEW
INSTEAD OF UPDATE
AS
BEGIN
I
我创建了一个触发器来更新另一个表中的行,这是由dbo.update中的update语句触发的。此触发器失败的原因可能是因为它试图更新超过1条记录。我试着改变这个,但没有结果。我在想:正确的方法是什么?
CREATE TRIGGER
[dbo].[Update]
ON
[dbo].[Records]
FOR UPDATE
AS
BEGIN
SET NOCOUNT ON
IF (SELECT State FROM INSERTED) = '1'
Begin
UPDATE dbo.Issue SET state
我有一个很大的查询,它也会返回非常大的响应。该查询如下所示:
SELECT group, subgroup, max(last_update) FROM
(
SELECT a as group, a1 as subgroup, d1 as last_update FROM....
UNION ALL
SELECT b as group, b1 as subgroup, d2 as last_update FROM....
UNION ALL
SELECT c as group, c1 as subgroup, d3 as last_update FROM
我有这样的查询:
SELECT
generatedTime AS generatedTime,
tempTable AS tempTable,
CASE
WHEN ((generatedTime < maxPelamarmhsdoktor) or (generatedTime < maxAkdmstmayor)
or (generatedTime < maxIpbmstdepartemen) or (generatedTime < maxIpbmstfakultas
你好,我有以下代码,我想找到传递任意大小数组的最佳方法,而不必一行一行地显式执行:
这两个数组是coeffs和ticker。谢谢
t:update Value:Value*coeffs[0] from (select from t)where Code in `$tickers[0];
t:update Value:Value*coeffs[1] from (select from t)where Code in `$tickers[1];
t:update Value:Value*coeffs[2] from (select from t)where Code in `$tickers[2]
我的目标是避免死锁,因此我将所有锁集中在同一个位置,按表名排序,然后通过ID升序:
SELECT * FROM table1 WHERE ID = 1 FOR UPDATE
SELECT * FROM table1 WHERE ID = 2 FOR UPDATE
SELECT * FROM table1 WHERE ID = 3 FOR UPDATE
SELECT * FROM table1 WHERE ID = 4 FOR UPDATE
SELECT * FROM table2 WHERE ID = 1 FOR UPDATE
SELECT * FROM table2 WHERE ID =
我知道BigQuery有bug,但我还是很高兴听到一些想法,以便看看解决它的最佳方法是什么。
工会的工作:
select *
from
(select CURRENT_TIMESTAMP() as dwh_update_date) a
)aa
,
(select CURRENT_TIMESTAMP() as dwh_update_date) b
Union不起作用(但我的查询必须是这样的):
select *
from
(select a.dwh_update_date as dwh_update_date
from (select CURRENT_TIMESTAMP() as dwh
我创建了一个映射程序XML文件,如下所示:
<update id="feeCalculation" parameterType="map">
declare @cnt int
insert into #tempA
select ... from ... where ...
insert into #tempA
select ... from ... where ...
insert into #tempB
select ... from ... where ...
insert into #tempB
select ... from ...
我有以下sql语句:
select * from funds_balance where account_id = 7 and sequence_number <= (
select sequence_number from funds_balance where account_id = 7 and update_settlement_pool_id = 7
union all
select sequence_number from funds_balance_history where account_id = 7 and update_settlement_poo
最近,我们的Laravel查询日志变得非常大。在50~100 It /d左右,一天后增加到~1-1.5gb。
对于jobs表有很多查询,如下所示
[05.08.2020 00:00:02] select * from `jobs` where `queue` = ? and ((`reserved_at` is null and `available_at` <= ?) or (`reserved_at` <= ?)) order by `id` asc limit 1 for update [default, 1596574802, 1596571202]
[05.08.2020
我构建了一个sql作业来更新表中有关where子句中条件的一些值,如下所示:
Update c set isLoaded = 0 , LoadingState = 'L', isSent = 0
from Container c
where c.isloaded = 1 and DATEDIFF(second, dateadd(HOUR, c.LoadingInterval,c.entrydate), getdate()) / 3600.0 between c.LoadingInterval and (c.LoadingInterval + 2)
但是,当
我正在将数据库从Server转换为MySQL。我正面临关于触发器的问题。
这是我的Server代码
--IF A SALE IS DELETE WHICH WHICH INCLUDED AN ITEM FROM ORDER THEN ORDER SHOULD BE PENDING AS IT IS NOT DELIEVERED
GO
CREATE TRIGGER UPDATE_ORDER_ON_SALE_DELETE
ON STOCKS
FOR UPDATE
AS
IF EXISTS (SELECT BARCODE FROM ORDER_ITEMS WHERE BARCODE= ALL(SE
我有3个问题:
SELECT `update`.`id` AS `id`, `update`.`type` AS `type`, `update`.`date` AS `date`, `update`.`like` AS `like`, `update`.`dislike` AS `dislike` FROM `updates` AS `update` WHERE `type` = '1' ORDER BY `date` DESC LIMIT 1
SELECT `update`.`id` AS `id`, `update`.`type` AS `type`, `update`
根据参考SELECT ... LOCK IN SHARE MODE sets an IS lock and SELECT ... FOR UPDATE sets an IX lock.在MySQL 5.7。
我真的很困惑,因为IX和IX兼容。支持的意思是什么?
另一方面,我尝试了如下:
Sess1 db> BEGIN;
SELECT * FROM t WHERE id = 1 FOR UPDATE; -- id is a primary key
Sess2 db> BEGIN;
SELECT * FROM t WHERE id
我创建了一个名为UPDATE_MERCHANDISE的触发器。查询完成时有一个错误,一个简单的错误。我修复了错误,并将代码更改为ALTER TRIGGER,但是现在当我尝试执行它时,我收到了错误。
无效对象名dbo.UPDATE_MERCHANDISE
当我创建它时,为什么它是有效的,而当我试图修改它时,它为什么是有效的?任何和所有的帮助/想法都将不胜感激。
谢谢。
USE [CIS31038]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER TRIGGER [dbo].[UPDATE_MERCHANDISE] ON
-原文:
update t1 set a1=1,b2=2 where c1=3;update t2 set a2=1 where c2=3;update t3 set c3=3;
update t4 set a4=1,
b4=2 where c4=3;
update t5 set
a5=1,
b5=2
where c5=3;
update t6
set
a6=1
where
c6=3;
-所需案文:
select * from t1 where c1=3;
select * from t2 where c2=3;
select * from t3 ;
select * from
我有一个Esqueleto查询,它选择了所有的StatusUpdate和它们各自的User,我想把它限制为每个User只有一个StatusUpdate,而现在只限于StatusUpdate。
我有一个有效的SQL查询,我只是在努力将其转换为有效的Esqueleto。
SELECT "email", "subject"
FROM "status_update"
LEFT JOIN "user"
ON ("status_update"."user" = "user"."id
DROP PROCEDURE showMatchOnDate
go
CREATE PROCEDURE showMatchOnDate
@MatchDate DATE
AS
DECLARE @tempTeams TABLE
(
Id CHAR(3) PRIMARY KEY,
name VARCHAR(40),
nomatches INT,
为什么这些语句在使用SQL2008 R2时是有效的
Select* FROM TableName --UPDATE: this is not allowed in Oracle (10g)
和
Select *From TableName --UPDATE: this is allowed in Oracle (10g)
现在这个
Select*From TableName --UPDATE: this is not allowed in Oracle (10g)
更新: Server中允许使用
我是这么知道的Select * From TableName
我正在尝试为java找到一个正则表达式,它匹配所有select语句查询,这些查询前面没有一些关键字,如insert、update、delete、procedure等:
在这个时刻,得到了这个:
^(?!insert|delete|update|procedure) {0,}select.*?;$ gims
但如果select从新行开始,则不匹配:
测试用例:
select 1 from dual;
delete from table where id =
(
select 1 from dual
);
update table set id = 1 where id in (
select
每个人都知道如果一个进程
SELECT id FROM dead WHERE id = 'A' FOR UPDATE;
SELECT id FROM dead WHERE id = 'B' FOR UPDATE;
还有一句话
SELECT id FROM dead WHERE id = 'B' FOR UPDATE;
SELECT id FROM dead WHERE id = 'A' FOR UPDATE;
那你就要冒死锁的风险。我更愿意假设
SELECT id FROM dead WHERE id IN ('A
我有一个表,看起来像这样:
如果导入的和部分之间有任何关系,则应该将它们组合在一起。根据关系的不同,它们应分为1、2、3、4、...
我尝试了一个类似如下的查询:
select sec.section,sec.id, sec.imported, sec.id,
case when imp.imported = sec.section or imp.imported is null then 1 ELSE
2 end as rn
from
( select section, id, imported from temp1) sec
le
我在将我的sql转换为Laravel查询时遇到了问题。
$users = DB::select(DB::raw(
'SELECT User.*, Registration_Update.created_at as lastRegistrationUpdate
FROM User
JOIN Registration_Update
ON Registration_Update.user_id = User.id
WHERE Registration_Update.crea
我在一个名为Products的表上有这个触发器,但是不管我将DiscountPercent值设置为什么,它似乎什么也不做。
CREATE TRIGGER Products_UPDATE
ON Products
AFTER UPDATE
AS
DECLARE @NewData decimal
IF (SELECT DiscountPercent FROM Inserted) < 0 AND (SELECT DiscountPercent FROM Inserted) > 100
BEGIN;
THROW 50001, 'Please
我用sqlalchemy生成的查询来面对oracle错误ORA-00928: missing SELECT keyword。这个问题已经描述过了,并回答了。
我的查询如下所示:
WITH table2 (id) AS (
SELECT id
FROM table3
)
UPDATE table SET id=1
WHERE EXISTS (
SELECT *
FROM table
WHERE id IN (SELECT id FROM table2)
)
并通过下面的代码生成:
table2 = session.query(table3.id).
我想在update语句中使用pi函数。我有OracleDeveloper版本3.2.10.09
update a_oracle_table
set test_n = sqrt(a)/pi
from
select * from a_oracle_table
where a is not null and a >0
union all
select pi() from dual;
select pi() from dual产生错误invalid identifier。
如何在update语句中使用pi?
我想要更新三个列,即LCID,LCNo,AmendmentStatus,它们是从PI表中选择的,所以我编写了以下成功执行的更新查询:
UPDATE #TempTableOne
SET
LCID=(SELECT ISNULL(ExportLCID,0) FROM ExportLC WHERE ExportLCID= (SELECT LCID FROM [PI] WHERE PIID=(SELECT PIID FROM Job WHERE JobID=TT.OrderID))),
LCNo=(SELECT ISNULL(Exp
就像标题说的,我有一个函数在数据库的每个条目之后运行。问题是,它并没有影响触发器之前输入的所有条目。
如何使它更新以前的版本?
CREATE OR REPLACE FUNCTION xll_transactions_gl_associated_objects_func(transaction_id bigint)
RETURNS void AS
$BODY$
DECLARE
l_transaction transactions%rowtype;
BEGIN
SELECT INTO l_transaction * FROM transactions WHERE tran
可能重复:
在下面的脚本中,我试图将一个月名转换为月份号,名为datename(MM, patientinfo.PatientDOB)。例如,它目前以January的形式返回,我希望它以01或1的形式返回。
根据我所读到的,我可能需要做一个CASE WHEN 'January' THEN 1,但我不知道该在哪里插入它,也不知道要使用的确切语法。
select
Update_Log.RecordID as 'Dictation ID',
cast(dictations.DOS as DATE) as 'Date of Servic
这就是我试过的
UPDATE (SELECT * FROM music GROUP BY songalbum)
SET albumID = (SELECT albumID FROM albumList GROUP BY album )
WHERE songalbum = albumList.album
这就给出了错误#1248 -每个派生表都必须有自己的别名。
UPDATE music
SET albumID = (SELECT albumID FROM albumList )
WHERE albumID = NULL
UPDATE music
SET albumID = (SE
我有一根绳子:
update mytable set mycol=myvalue where mycol=yourvalue;
我需要把它转换成:
insert into mytemp select * from mytable where mycol=youvalue;
我可以这样完成它,它工作得很好:
sed -e 's/^Update.*where//ig' -e "s/^/insert into mytemp select * from mytable where /g" n.txt
但
如果字符串是:
update mytable set mycol
我有以下算法
For R = FirstRowDBABACUS To LastRowDBABACUS ' R = Remboursement
LastInterestDate = ""
Do While Sheets("CI").Cells(R, 10).Value <> 0
For Inte = FirstRowDBABACUS To LastRowDBABACUS
'On commence par l'intérêt
If Sheets(
不知道如何删除它,但是这个问题已经解决了。谢谢!
编辑:根据请求,完整存储的proc代码位于底部。
在我编写的这个存储过程中,mysql的结果集不一致,我遇到了一个非常奇怪的问题。我已经包含了我正在使用的调试语句及其输出:
语句(这些语句都在连续的行上/出现在代码中,与所写的完全相同):
SELECT 'SELECT * FROM event_task';
SELECT * from event_task;
SELECT 'SELECT event_id FROM event_task';
SELECT event_id FROM event_task;
SEL
在分页的情况下锁定查询的有限结果:
select * from Employee order by id asc
作为
select * from (select a.*, ROWNUM rnum from
(select * from Employee order by id asc) a
where ROWNUM <= 10) where rnum >= 6 for update
错误:
ORA-02014: cannot select FOR UPDATE from view with DISTINCT, GROUP BY, etc.
如何在分页中选择要更新的行?
我有大约25个表,每个表都有3个触发器(insert、update、delete)来生成用户操作日志。每次UI中有编辑时,都会更新所有这些表,尽管它们的值在UI中没有更改。
在这种情况下,我不能只检查列是否被更新,我需要检查上一次更新的值是否与新更新的值不相同,这样我就可以插入到我的日志表中。另外,我需要将所有更新的表值作为一个字符串插入到日志表中,该字符串由逗号分隔。
有什么有效的方法来处理这个问题吗?
ALTER TRIGGER [dbo].[Activity_Update]
ON [dbo].[Activity]
AFTER UPDATE
AS
BEGIN
DECLARE @Na
我试图获取在UPDATE和SET之间具有字符串"table1“的所有值。在我的示例代码中,我希望获得第一条和第二条记录。你能帮我拿regexp_like吗?
WITH tbl AS
(
SELECT 'UPDATE table1, table2, table1_abc SET' as col1 FROM DUAL
UNION
SELECT 'UPDATE table1_xyz, table2 SET' as col1 FROM DUAL
UNION
SELECT 'UPDATE table3 SET' as col1 FROM DUAL