大约有 37,000 项符合查询结果(耗时:0.0275秒) [XML]
SQL WHERE.. IN clause multiple columns
...
You can make a derived table from the subquery, and join table1 to this derived table:
select * from table1 LEFT JOIN
(
Select CM_PLAN_ID, Individual_ID
From CRM_VCM_CURRENT_LEAD_STATUS
Where Lead_Key = :_Lead_Key
) table2
ON
table1....
How to properly create composite primary keys - MYSQL
Here is a gross oversimplification of an intense setup I am working with. table_1 and table_2 both have auto-increment surrogate primary keys as the ID. info is a table that contains information about both table_1 and table_2 .
...
How to create a unique index on a NULL column?
...
create unique index UIX on MyTable (Column1) where Column1 is not null
– Jørn Schou-Rode
Dec 2 '10 at 14:54
1
...
How to change column order in a table using sql query in sql server 2005?
How to change column order in a table using SQL query in SQL Server 2005?
21 Answers
2...
100% width table overflowing div container [duplicate]
I am having issues with an html table that is overflowing it's parent container.
6 Answers
...
Many-to-many relationship with the same model in rails?
...dditional information with the association? (Additional fields in the join table.)
Do the associations need to be implicitly bi-directional?
(If post A is connected to post B, then post B is also connected to post A.)
That leaves four different possibilities. I'll walk over these below.
For refer...
Find most frequent value in SQL column
How can I find the most frequent value in a given column in an SQL table?
9 Answers
9
...
Is C++14 adding new keywords to C++?
...
Table 4 (Keywords) in N3936 (C++14):
alignas continue friend register true
alignof decltype goto reinterpret_cast try
asm default ...
How to prepend a string to a column value in MySQL?
...
UPDATE tablename SET fieldname = CONCAT("test", fieldname) [WHERE ...]
share
|
improve this answer
|
foll...
An explicit value for the identity column in table can only be specified when a column list is used
...e identity column in tbl_A_archive a regular, non-identity column: If your table is an archive table and you always specify an explicit value for the identity column, why do you even need an identity column? Just use a regular int instead.
Details on Solution 1
Instead of
SET IDENTITY_INSERT archi...
