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What is the string concatenation operator in Oracle?
What is the string concatenation operator in Oracle SQL?
5 Answers
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浅谈HTML5 & CSS3的新交互特性 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...显示效果的语言。这时候问题出来了，为什么我们要单独使用CSS呢，HTML不是一样可以控制Web页面的显示效果么？为了回答这个问题，我举个简单的例子：
有没有发现如果一旦形容的事情过多，想要把事情描述清楚的时候，我...
C语言之父辞世引发“分号”悼念 - 创意 - 清泛网 - 专注C/C++及内核技术
...后不久，安装了这一程序的PDP-11被放在贝尔实验室供大家使用。有一天，大家发现两位创始人总是可以得到最高的权限轻松进入他们的帐户，在贝尔实验室这种高人云集的地方，这简直是太不能容忍的事情了。于是，若干愤懑的...
How do you count the number of occurrences of a certain substring in a SQL varchar?
...e a,b,c,d. Is there a way to count the number of commas in that value in T-SQL?
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SQL join on multiple columns in same tables
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How to turn off the Eclipse code formatter for certain sections of Java code?
I've got some Java code with SQL statements written as Java strings (please no OR/M flamewars, the embedded SQL is what it is - not my decision).
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EF Code First foreign key without navigation property
...ning this migration (update-database on package manage console) will run a SQL statement similar to this (for SQL Server):
ALTER TABLE [ChildTableName] ADD CONSTRAINT [FK_SomeName]
FOREIGN KEY ([ParentId]) REFERENCES [ParentTableName] ([Id])
CREATE INDEX [IX_SomeName] ON [ChildTableName] ([ParentI...
What are DDL and DML?
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More information see here: MySQL What is DDL, DML and DCL?, the original is as follows:
DDL
DDL is short name of Data Definition Language, which deals with
database schemas and descriptions, of how the data should reside in
the database.
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How to strip HTML tags from a string in SQL Server?
I've got data in SQL Server 2005 that contains HTML tags and I'd like to strip all that out, leaving just the text between the tags. Ideally also replacing things like &lt; with < , etc.
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How to copy data from one table to another new table in MySQL?
I want to copy data from one table to another in MySQL.
11 Answers
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