大约有 37,000 项符合查询结果（耗时：0.0405秒） [XML]
Are soft deletes a good idea? [duplicate]
...ow have to include a WHERE IsDeleted = false clause in every query on this table (and so much worse if you're JOINing these tables). A mistake here would be caught as soon as a user or tester noticed a deleted record showing up again, which might take some time. Also, it would be easy for a develo...
SQL Server loop - how do I loop through a set of records
...EGIN
SET @MyCursor = CURSOR FOR
select top 1000 YourField from dbo.table
where StatusID = 7
OPEN @MyCursor
FETCH NEXT FROM @MyCursor
INTO @MyField
WHILE @@FETCH_STATUS = 0
BEGIN
/*
YOUR ALGORITHM GOES HERE
*/
FETCH NEXT FROM...
Proper REST response for empty table?
...nt to get list of users by calling GET to api/users , but currently the table was truncated so there are no users. What is the proper response for this scenario: 404 or 204 ?
...
Pass Array Parameter in SqlCommand
...arameters[i], items[i]);
}
cmd.CommandText = string.Format("SELECT * from TableA WHERE Age IN ({0})", string.Join(", ", parameters));
cmd.Connection = new SqlConnection(connStr);
UPDATE: Here is an extended and reusable solution that uses Adam's answer along with his suggested edit. I improved it...
How can I remove duplicate rows?
... is the best way to remove duplicate rows from a fairly large SQL Server table (i.e. 300,000+ rows)?
38 Answers
...
Select rows which are not present in other table
I've got two postgresql tables:
4 Answers
4
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Why is the order in dictionaries and sets arbitrary?
...lues.
Keys are hashed, and hash values are assigned to slots in a dynamic table (it can grow or shrink based on needs). And that mapping process can lead to collisions, meaning that a key will have to be slotted in a next slot based on what is already there.
Listing the contents loops over the slo...
MYSQL Truncated incorrect DOUBLE value
...se I was not using apostrophes in where clause.
Like my query was
update table set coulmn1='something' where column2 in (00012121);
when I changed where clause to where column2 in ('00012121'); then the query worked fine for me.
...
CSS - Expand float child DIV height to parent's height
... & best solution and very flexible - but unsupported by IE9 and older.
table or display: table: very simple, very compatible (pretty much every browser ever), quite flexible.
display: inline-block; width:50% with a negative margin hack: quite simple, but column-bottom borders are a little trick...
SQL DELETE with INNER JOIN
There are 2 tables, spawnlist and npc , and I need to delete data from spawnlsit .
npc_templateid = n.idTemplate is the only thing that "connect" the tables.
I have tried this script but it doesn't work.
...