大约有 3,551 项符合查询结果（耗时：0.0263秒） [XML]
Use cases for NoSQL [closed]
NoSQL has been getting a lot of attention in our industry recently. I'm really interested in what peoples thoughts are on the best use-cases for its use over relational database storage. What should trigger a developer into thinking that particular datasets are more suited to a NoSQL solution. I'm p...
Check if a row exists, otherwise insert
I need to write a T-SQL stored procedure that updates a row in a table. If the row doesn't exist, insert it. All this steps wrapped by a transaction.
...
MySQL: Selecting multiple fields into multiple variables in a stored procedure
...multiple columns into multiple variables within the same select query in MySQL?
3 Answers
...
The permissions granted to user ' are insufficient for performing this operation. (rsAccessDenied)"}
...n resolve this issue by
Add the [Domain\User] to Administrator, IISUser, SQLReportingUser groups
Delete Encryption Key in SSRS configuration tools
ReRun the Database Change in SSRS configuration tools
Open WebServiceUrl from SSRS configuration tools (http://localhost/reportserver)
creating Reports...
Postgres: clear entire database before re-creating / re-populating from bash script
...t actually need a backup of the database dumped onto disk in a plain-text .sql script file format, you could connect pg_dump and pg_restore directly together over a pipe.
To drop and recreate tables, you could use the --clean command-line option for pg_dump to emit SQL commands to clean (drop) data...
Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
I am working with a fresh postgresql install, with 'postgres' super user. Logged in via:
5 Answers
...
Good Free Alternative To MS Access [closed]
...uestion, we're concerned with the raw database engine. With that in mind:
SQLlite,
Firebird,
VistaDB (not free),
SQL Server Compact Edition (not Express)
and now SQL Server LocalDB
all come to mind.
Another thought: while the original question does ask about desktop databases, its likely some peop...
Entity Framework select distinct name
How can I do this SQL query with Entity Framework ?
8 Answers
8
...
MySQL “Group By” and “Order By”
...on-aggregate columns in a SELECT with a GROUP BY clause is non-standard. MySQL will generally return the values of the first row it finds and discard the rest. Any ORDER BY clauses will only apply to the returned column value, not to the discarded ones.
IMPORTANT UPDATE
Selecting non-aggregate colum...
How do you use the “WITH” clause in MySQL?
I am converting all my SQL Server queries to MySQL and my queries that have WITH in them are all failing. Here's an example:
...