大约有 37,000 项符合查询结果(耗时:0.0290秒) [XML]

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unresolved reference to object [INFORMATION_SCHEMA].[TABLES]

I've created a UDF that accesses the [INFORMATION_SCHEMA].[TABLES] view: 3 Answers 3...
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Find rows that have the same value on a column in MySQL

In a [member] table, some rows have the same value for the email column. 8 Answers 8...
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Error renaming a column in MySQL

How do I rename a column in table xyz ? The columns are: 9 Answers 9 ...
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Automatically create an Enum based on values in a database lookup table?

...and subsequently use its values in C# based on values in a database lookup table (using enterprise library data layer)? 14 ...
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String replacement in batch file

...ABLEDELAYEDEXPANSION switch set. setlocal ENABLEDELAYEDEXPANSION set word=table set str="jump over the chair" set str=%str:chair=!word!% share | improve this answer | follo...
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Display / print all rows of a tibble (tbl_df)

...ated by the dplyr data frame manipulation package in R. It prevents long table outputs when accidentally calling the data frame. ...
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How to put more than 1000 values into an Oracle IN clause [duplicate]

... Put the values in a temporary table and then do a select where id in (select id from temptable) share | improve this answer | fol...
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Identity increment is jumping in SQL Server database

In one of my tables Fee in column "ReceiptNo" in SQL Server 2012 database identity increment suddenly started jumping to 100s instead of 1 depending on the following two things. ...
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How to count TRUE values in a logical vector

...values. See for example: z <- c(TRUE, FALSE, NA) sum(z) # gives you NA table(z)["TRUE"] # gives you 1 length(z[z == TRUE]) # f3lix answer, gives you 2 (because NA indexing returns values) So I think the safest is to use na.rm = TRUE: sum(z, na.rm = TRUE) # best way to count TRUE values (whi...
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SQL update trigger only when column is modified

...oRepair <> I.QtyToRepair END END 2- Use Join between Inserted table and deleted table ALTER TRIGGER [dbo].[tr_SCHEDULE_Modified] ON [dbo].[SCHEDULE] AFTER UPDATE AS BEGIN SET NOCOUNT ON; UPDATE SCHEDULE SET modified = GETDATE() , ModifiedUser = SUSER_NAME...