大约有 41,000 项符合查询结果(耗时:0.0251秒) [XML]

https://stackoverflow.com/ques... 

How do you view ALL text from an ntext or nvarchar(max) in SSMS?

...tions on the Query menu, or right-click in the SQL Server Query window and select Query Options. ... Maximum Characters Retrieved Enter a number from 1 through 65535 to specify the maximum number of characters that will be displayed in each cell. Maximum is, as you see, 64k. T...
https://stackoverflow.com/ques... 

What is the meaning of the prefix N in T-SQL statements and when should I use it?

...1. It is an Nvarchar This query fails to match Exact Value That Exists. SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = 'ESKİ' // 0 result using prefix N'' fixes it SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = N'ESKİ' // 1 result - found!!!! Why? Because latin1_general doesn't have big...
https://stackoverflow.com/ques... 

uint8_t vs unsigned char

What is the advantage of using uint8_t over unsigned char in C? 8 Answers 8 ...
https://stackoverflow.com/ques... 

How can I change my default database in SQL Server without using MS SQL Server Management Studio?

...nagement Studio by using the 'options' button in the connection dialog and selecting 'master' as the database to connect to. However, whenever I try to do anything in object explorer, it tries to connect using my default database and fails. ...
https://stackoverflow.com/ques... 

How to encrypt String in Java

...[] ivBytes; Now you can initialize the Cipher for the algorithm that you select: // wrap key data in Key/IV specs to pass to cipher SecretKeySpec key = new SecretKeySpec(keyBytes, "DES"); IvParameterSpec ivSpec = new IvParameterSpec(ivBytes); // create the cipher with the algorithm you choose // ...
https://stackoverflow.com/ques... 

Storing SHA1 hash values in MySQL

... I would use VARCHAR for variable length data, but not with fixed length data. Because a SHA-1 value is always 160 bit long, the VARCHAR would just waste an additional byte for the length of the fixed-length field. And I also wouldn’t sto...
https://stackoverflow.com/ques... 

Which are more performant, CTE or temporary tables?

...(A INT IDENTITY PRIMARY KEY, B INT , F CHAR(8000) NULL); INSERT INTO T(B) SELECT TOP (1000000) 0 + CAST(NEWID() AS BINARY(4)) FROM master..spt_values v1, master..spt_values v2; Example 1 WITH CTE1 AS ( SELECT A, ABS(B) AS Abs_B, F FROM T ) SELECT * FROM CTE1 WHERE A = 780 ...
https://stackoverflow.com/ques... 

Creating Unicode character from its number

I want to display a Unicode character in Java. If I do this, it works just fine: 13 Answers ...
https://stackoverflow.com/ques... 

What is cardinality in MySQL?

...ow cardinality column with only 2 possible values as the index will not be selective enough to be used. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

PostgreSQL Crosstab Query

... - not fit for missing attributes crosstab(text) with 1 input parameter: SELECT * FROM crosstab( 'SELECT section, status, ct FROM tbl ORDER BY 1,2' -- needs to be "ORDER BY 1,2" here ) AS ct ("Section" text, "Active" int, "Inactive" int); Returns: Section | Active | Inacti...