大约有 380 项符合查询结果（耗时：0.0195秒） [XML]
Cannot issue data manipulation statements with executeQuery()
...r> {
@Modifying
@Transactional
@Query(value = "DELETE FROM tbl_copy where trade_id = ?1 ; ", nativeQuery = true)
void deleteCopyByTradeId(Integer id);
}
It won't give the java.sql.SQLException: Can not issue data manipulation statements with executeQuery() error.
...
Adding a new SQL column with a default value
...documentation that you linked to:
ALTER [ONLINE | OFFLINE] [IGNORE] TABLE tbl_name
alter_specification [, alter_specification] ...
alter_specification:
...
ADD [COLUMN] (col_name column_definition,...)
...
To find the syntax for column_definition search a bit further down the page...
How to select date without time in SQL
...iff, e.g.
select dateadd(d, datediff(d,0, [datecolumn]), 0), other..
from tbl
But if you only need to use the value, then you can skip the dateadd, e.g.
select ...
WHERE somedate <= datediff(d, 0, getdate())
where the expression datediff(d, 0, getdate()) is sufficient to return today's date...
Error renaming a column in MySQL
...andard Mysql rename statement is:
ALTER [ONLINE | OFFLINE] [IGNORE] TABLE tbl_name
CHANGE [COLUMN] old_col_name new_col_name column_definition
[FIRST|AFTER col_name]
for this example:
ALTER TABLE xyz CHANGE manufacurerid manufacturerid datatype(length)
Reference: MYSQL 5.1 ALTER TABLE Synt...
URL encoding the space character: + or %20?
...tually have a very well-defined structure since the first specification in 1994.
We can extract detailed information about the "http://www.google.com" URL:
+---------------+-------------------+
| Part | Data |
+---------------+-------------------+
| Scheme | http ...
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
4
5
chenhao-air:lua chenhao$ lua
Lua 5.2.2 Copyright (C) 1994-2013 Lua.org, PUC-Rio
> print("Hello, World")
Hello, World
>
也可以把脚本存成一个文件，用如下命令行来运行。
1
>lua file.lua
...
How do I do multiple CASE WHEN conditions using SQL Server 2008?
...
Combining all conditions
select a.* from tbl_Company a
where a.Company_ID NOT IN (1,2)
AND (
(0 =
CASE WHEN (@Fromdate = '' or @Todate='')
THEN 0
ELSE 1
END
) -- if 0=0 true , i...
How can I preview a merge in git?
... a b ) a b
added in both
our 100644 78981922613b2afb6025042ff6bd878ac1994e85 a
their 100644 61780798228d17af2d34fce4cfbdf35556832472 a
@@ -1 +1,5 @@
+<<<<<<< .our
a
+=======
+b
+>>>>>>> .their
User @dreftymac makes a good point: this makes it uns...
Is there a perfect algorithm for chess? [closed]
...n fact, Chinook beat humans to win the checkers world championship back in 1994.
Yes, you can solve chess, no, you won't any time soon.
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follo...
How to subtract 30 days from the current datetime in mysql?
...
another way
SELECT COUNT(*) FROM tbl_debug WHERE TO_DAYS(`when`) < TO_DAYS(NOW())-30 ;
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