大约有 47,000 项符合查询结果(耗时:0.0698秒) [XML]

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How to see full query from SHOW PROCESSLIST

... pull the data and look at 'INFO' column which contains the whole query : select * from INFORMATION_SCHEMA.PROCESSLIST where db = 'somedb'; You can add any condition or ignore based on your requirement. The output of the query is resulted as : +-------+------+-----------------+--------+--------...
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Difference between View and table in sql

... A table contains data, a view is just a SELECT statement which has been saved in the database (more or less, depending on your database). The advantage of a view is that it can join data from several tables thus creating a new view of it. Say you have a database w...
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SQL-Server: Is there a SQL script that I can use to determine the progress of a SQL Server backup or

... I found this sample script here that seems to be working pretty well: SELECT r.session_id,r.command,CONVERT(NUMERIC(6,2),r.percent_complete) AS [Percent Complete],CONVERT(VARCHAR(20),DATEADD(ms,r.estimated_completion_time,GetDate()),20) AS [ETA Completion Time], CONVERT(NUMERIC(10,2),r.total_el...
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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio

...t the solution specifically for the "opencases" column be simpler as just "select count(1)..." (or "count" of any other literal)? The Where clause already specifies "and closed is NULL" so no need for summing a case statement in this instance. Also, I've heard (aeons ago) that "count(*)" is not as e...
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symbol(s) not found for architecture i386

.... To add frameworks, right click on the project name in the project view, select Add, then select Existing frameworks... from the list. Then find the framework with the symbols you're missing. As to how you find which frameworks you need, I've found using google the easiest, though you could proba...
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What is causing this ActiveRecord::ReadOnlyRecord error?

...s automatically inferred only if :joins was specified without an explicit :select nor an explicit (or finder-scope-inherited) :readonly option (see the implementation of set_readonly_option! in active_record/base.rb for Rails 2.3.4, or the implementation of to_a in active_record/relation.rb and of c...
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SQL Server query to find all permissions/access for all users in a database

...s the user/role has on an object. Examples could include CONNECT, EXECUTE, SELECT DELETE, INSERT, ALTER, CONTROL, TAKE OWNERSHIP, VIEW DEFINITION, etc. This value may not be populated for all roles. Some built in roles have implicit permission d...
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List of all index & index columns in SQL Server DB

...lumns. EDIT: This query's getting pretty close to what you're looking for: SELECT TableName = t.name, IndexName = ind.name, IndexId = ind.index_id, ColumnId = ic.index_column_id, ColumnName = col.name, ind.*, ic.*, col.* FROM sys.indexes ind INNER JOI...
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What is the difference between a stored procedure and a view?

...iece of SQL, I would define a view like: CREATE VIEW vw_user_profile AS SELECT A.user_id, B.profile_description FROM tbl_user A LEFT JOIN tbl_profile B ON A.user_id = b.user_id GO Thus, if I want to query profile_description by user_id in the future, all I have to do is: SELECT profile_descr...
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How to install Xcode Command Line Tools

... Xcode 5.1 and OSX 10.9. (also works with Xcode 5.1.1 + OSX 10.10) xcode-select --install worked with version 2333, failed with version 2003. So, try xcode-select --install and if that does not work download as described below. In early February 2014 xcode-select --install has been reporting that...