大约有 40,000 项符合查询结果(耗时:0.0466秒) [XML]
How to find foreign key dependencies in SQL Server?
... all Foreign Key Relationships within the current database.
SELECT
FK_Table = FK.TABLE_NAME,
FK_Column = CU.COLUMN_NAME,
PK_Table = PK.TABLE_NAME,
PK_Column = PT.COLUMN_NAME,
Constraint_Name = C.CONSTRAINT_NAME
FROM
INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS C
INNER JOIN INF...
How can I get column names from a table in SQL Server?
I want to query the name of all columns of a table. I found how to do this in:
20 Answers
...
Convert objective-c typedef to its string equivalent
...ms are really just glorified integer constants. You'll have to generate a table of names yourself (or with some preprocessor abuse). For example:
// In a header file
typedef enum FormatType {
JSON,
XML,
Atom,
RSS
} FormatType;
extern NSString * const FormatType_toString[];
// In...
Salting Your Password: Best Practices?
... Site-wide random salt is bad, since an attacker can precompute rainbow tables and grab your entire user database. If you don't understand this, please don't write login/security systems :) - you NEED per-user salts.
– snemarch
Mar 23 '09 at 20:52
...
Aggregate function in an SQL update query?
I'm trying to set the value in one table to the sum of the values in another table. Something along these lines:
6 Answers...
Form inside a table
I'm including some forms inside a HTML table to add new rows and update current rows. The problem that I'm getting is that when I inspect the forms in my dev tools, I see that the form elements are closed immediately after opening (inputs, etc are not included within the form).
...
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.
...
Add days to JavaScript Date
... and that sort of thing is best avoided. ECMA saw fit to treat Date as a mutable class rather than an immutable structure.
share
|
improve this answer
|
follow
...
What is the best way to solve an Objective-C namespace collision?
...not changing the address of the original symbol. Objective-C uses a lookup table to map class names to addresses, and it's a 1-1 mapping, so you can't have two classes with the same name. Thus, to load both classes, one of them must have their name changed. However, when other classes need to access...
Insert Update trigger how to determine if insert or update
I need to write an Insert, Update Trigger on table A which will delete all rows from table B whose one column (say Desc) has values like the value inserted/updated in the table A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I dete...
