大约有 6,100 项符合查询结果(耗时:0.0367秒) [XML]

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HTML table with 100% width, with vertical scroll inside tbody [duplicate]

How can I set for <table> 100% width and put only inside <tbody> vertical scroll for some height? 13 Answer...
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Get all table names of a particular database by SQL query?

...nt sql dbms deal with schemas. Try the following For SQL Server: SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_CATALOG='dbName' For MySQL: SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_SCHEMA='dbName' ...
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Check if a table exists in Rails

I have a rake task that won't work unless a table exists. I'm working with more than 20 engineers on a website so I want to make sure they have migrated the table before they can do a rake task which will populate that respective table. ...
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How do I delete from multiple tables using INNER JOIN in SQL server

... You can take advantage of the "deleted" pseudo table in this example. Something like: begin transaction; declare @deletedIds table ( id int ); delete from t1 output deleted.id into @deletedIds from table1 as t1 inner join table2 as t2 on t2.id = t...
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Search for one value in any column of any table inside a database

...e (in my case it is a UID of the type char(64) ) inside any column of any table inside one MS SQL Server database? 7 Answe...
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Remove duplicate rows in MySQL

I have a table with the following fields: 25 Answers 25 ...
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Create table (structure) from existing table

How to create new table which structure should be same as another table 15 Answers 15 ...
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Possible to do a MySQL foreign key to one of two possible tables?

Well here's my problem I have three tables; regions, countries, states. Countries can be inside of regions, states can be inside of regions. Regions are the top of the food chain. ...
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What is the best way to auto-generate INSERT statements for a SQL Server table?

...e added that data by using MS Access to dump excel files into the relevant tables. 23 Answers ...
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Naming of ID columns in database tables

I was wondering peoples opinions on the naming of ID columns in database tables. 24 Answers ...