大约有 37,000 项符合查询结果(耗时:0.0420秒) [XML]

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How to restore to a different database in sql server?

...M, COPY_ONLY, FORMAT, INIT, STATS = 100; -- Get the backup file list as a table variable DECLARE @BackupFiles TABLE(LogicalName nvarchar(128),PhysicalName nvarchar(260),Type char(1),FileGroupName nvarchar(128),Size numeric(20,0),MaxSize numeric(20,0),FileId tinyint,CreateLSN numeric(25,0),DropLSN n...
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SQL order string as number

... cast your column value to an integer explicitly with select col from yourtable order by cast(col as unsigned) or implicitly for instance with a mathematical operation which forces a conversion to number select col from yourtable order by col + 0 BTW MySQL converts strings from left to right....
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Why doesn't Objective-C support private methods?

... were private; i.e. this could be achieved by adding a private-only method table to the Class structure. There would be no way for a private method to short-circuit this check or skip the runtime? It couldn't skip the runtime, but the runtime wouldn't necessarily have to do any...
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config.assets.compile=true in Rails production, why not?

...mpiled and fingerprinted to the public/assets. Sprockets returns a mapping table of the plain to fingerprinted filenames to Rails, and Rails writes this to the filesystem. The manifest file (YML in Rails 3 or JSON with a randomised name in Rails 4) is loaded into Memory by Rails at startup and cache...
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Performing Inserts and Updates with Dapper

...time you can do the following val = "my value"; cnn.Execute("insert into Table(val) values (@val)", new {val}); cnn.Execute("update Table set val = @val where Id = @id", new {val, id = 1}); etcetera See also my blog post: That annoying INSERT problem Update As pointed out in the comments, t...
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MongoDB Show all contents from all collections

...of your database. db.stats() step 5: listing out all the collections(tables). show collections step 6:print the data from a particular collection. db.'collection_name'.find().pretty() share | ...
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What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]

...nto the current blub architecture, use a graph database, or CouchDB, or BigTable, or whatever fits your app and you think is cool. It might give you an advantage, and its fun to try new things. Whatever you chose, try not to build the database engine yourself unless you really like building databas...
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What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?

...nd it tells if the parent is removed, all its related records in the child table should be removed. share | improve this answer | follow | ...
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Convert timestamp to date in MySQL query

... Convert timestamp to date in MYSQL Make the table with an integer timestamp: mysql> create table foo(id INT, mytimestamp INT(11)); Query OK, 0 rows affected (0.02 sec) Insert some values mysql> insert into foo values(1, 1381262848); Query OK, 1 row affected (...
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Best way to store time (hh:mm) in a database

I want to store times in a database table but only need to store the hours and minutes. I know I could just use DATETIME and ignore the other components of the date, but what's the best way to do this without storing more info than I actually need? ...