大约有 3,610 项符合查询结果（耗时：0.0299秒） [XML]
ERROR: Error 1005: Can't create table (errno: 121)
I have troubles with forward engineering my MySQL database into WAMP server..
I was going to post an image of the schema but as this is my first post I can't.
...
String concatenation in MySQL
I am using MySQL and MySQL Workbench 5.2 CE. When I try to concatenate 2 columns, last_name and first_name , it doesn't work :
...
Fastest Way to Find Distance Between Two Lat/Long Points
I currently have just under a million locations in a mysql database all with longitude and latitude information.
15 Answers...
How do I alter the position of a column in a PostgreSQL database table?
...
"Alter column position" in the PostgreSQL Wiki says:
PostgreSQL currently defines column
order based on the attnum column of
the pg_attribute table. The only way
to change column order is either by
recreating the table, or by adding
columns and rota...
How to get a date in YYYY-MM-DD format from a TSQL datetime field?
How do I retrieve a date from SQL Server in YYYY-MM-DD format? I need this to work with SQL Server 2000 and up. Is there a simple way to perform this in SQL Server or would it be easier to convert it programmatically after I retrieve the result set?
...
GRANT EXECUTE to all stored procedures
...
SQL Server 2008 and Above:
/* CREATE A NEW ROLE */
CREATE ROLE db_executor
/* GRANT EXECUTE TO THE ROLE */
GRANT EXECUTE TO db_executor
For just a user (not a role):
USE [DBName]
GO
GRANT EXECUTE TO [user]
...
Keeping it simple and how to do multiple CTE in a query
I have this simple T-SQL query, it emits a bunch of columns from a table and also joins information from other related tables.
...
Difference between datetime and timestamp in sqlserver? [duplicate]
What is the difference between Timestamp and Datetime SQL Server?
2 Answers
2
...
GROUP BY to combine/concat a column [duplicate]
... , 1, 1, '') AS URLList
FROM TableName AS a
GROUP BY [User], Activity
SQLFiddle Demo
share
|
improve this answer
|
follow
|
...