大约有 6,000 项符合查询结果（耗时：0.0272秒） [XML]
SQL keys, MUL vs PRI vs UNI
What is the difference between MUL , PRI and UNI in MySQL?
4 Answers
4
...
Difference between database and schema
What's the difference between a Database and a Schema in SQL Server? Both are the containers of tables and data.
5 Answers
...
How to check for Is not Null And Is not Empty string in SQL server?
How can we check in a SQL Server WHERE condition whether the column is not null and not the empty string ( '' )?
7 Answe...
PadLeft function in T-SQL
...
SQL Server now supports the FORMAT function starting from version 2012, so:
SELECT FORMAT(id, '0000') FROM TableA
will do the trick.
If your id or column is in a varchar and represents a number you convert first:
SELECT...
SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?
What is the difference between CROSS JOIN and FULL OUTER JOIN in SQL Server?
10 Answers
...
MySQL dump by query
Is it possible to do mysqldump by single SQL query ?
9 Answers
9
...
'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
...n use this JDBC URL directly in your data source configuration:
jdbc:mysql://yourserver:3306/yourdatabase?zeroDateTimeBehavior=convertToNull
share
|
improve this answer
|
...
SELECT INTO a table variable in T-SQL
...y, from which I would like to insert all rows into a table variable, but T-SQL doesn't allow it.
8 Answers
...
Reading 64bit Registry from a 32bit application
... compiled for AnyCPU. Our build server is a 64bit machine, and has a 64bit SQL Express instance installed.
6 Answers
...
An explicit value for the identity column in table can only be specified when a column list is used
...
Summary
SQL Server won't let you insert an explicit value in an identity column unless you use a column list. Thus, you have the following options:
Make a column list (either manually or using tools, see below)
OR
make the identit...