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How to drop a table if it exists?

The table name is Scores . 14 Answers 14 ...
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Add horizontal scrollbar to html table

Is there a way to add a Horizontal scrollbar to an HTML table? I actually need it to be scrollable both vertically and horizontally depending on how the table grows but I can't get either scrollbar to appear. ...
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sql primary key and index

...ou may reach the desired optimization for a query. For example you have a table with many columns but you are only querying ID, Name and Address columns. Taking ID as the primary key, we can create the following index that is built on ID but includes Name and Address columns. CREATE NONCLUSTERED I...
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Difference between VARCHAR and TEXT in MySQL [duplicate]

When we create a table in MySQL with a VARCHAR column, we have to set the length for it. But for TEXT type we don't have to provide the length. ...
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Where does Oracle SQL Developer store connections?

... and I can connect to the database fine using Oracle SQL Developer, create tables, views etc. However, I'm having a hard time getting connected via my application. Where is the connection information? In what file? I wanted to compare my connection info with what is set up in the SQL Explorer's file...
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How to compute the similarity between two text documents?

...ion: session.run(tf.global_variables_initializer()) session.run(tf.tables_initializer()) message_embeddings_ = session.run(similarity_message_encodings, feed_dict={similarity_input_placeholder: messages}) corr = np.inner(message_embeddings_, message_embeddings_) print(corr) ...
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How do I escape a single quote in SQL Server?

I'm trying to insert some text data into a table in SQL Server 9. 13 Answers 13 ...
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How do I use CREATE OR REPLACE?

... post for the third time, I'll reformulate this: This does not work on tables :) And yes, there is documentation on this syntax, and there are no REPLACE option for CREATE TABLE. share | impro...
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How can i use iptables on centos 7? [closed]

... trying to open 80 port for httpd service, but something wrong with my iptables service ... what's wrong with it? What am I doing wrong? ...
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How to make an image center (vertically & horizontally) inside a bigger div [duplicate]

... another way is to create a table with valign, of course. This would work regardless of you knowing the div's height or not. <div> <table width="100%" height="100%" align="center" valign="center"> <tr><td> <img sr...