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How do I UPDATE from a SELECT in SQL Server?

In SQL Server , it is possible to insert rows into a table with an INSERT.. SELECT statement: 35 Answers ...
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How to Get True Size of MySQL Database?

...SQL database use, in order to select a web host. I found the command SHOW TABLE STATUS LIKE 'table_name' so when I do the query, I get something like this: ...
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Select datatype of the field in postgres

How do I get datatype of specific field from table in postgres ? For example I have the following table, student_details ( stu_id integer, stu_name varchar(30 ), joined_date timestamp ); ...
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Cast Int to enum in Java

... @Tarrasch as arrays are mutable, values() must return a copy of the array of elements just in case you happen to change it. Creating this copy each time is relatively expensive. – Peter Lawrey Dec 4 '12 at 8:44 ...
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Add border-bottom to table row

I have a table of 3 by 3. I need a way to add a border for the bottom of every row tr and give it a specific color. 16 An...
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How to take backup of a single table in a MySQL database?

...sqldump takes the backup of an entire database. I need to backup a single table in MySQL. Is it possible? How do I restore it? ...
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Markdown to create pages and table of contents?

... MultiMarkdown Composer does seem to generate a table of contents to assist while editing. There might also be the one or the other library, who can generate TOCs: see Python Markdown TOC Extension. ...
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Postgres: INSERT if does not exist already

... There is one caveat/side effect. In a table with sequence column (serial or bigserial), even if no row is inserted the sequence is incremented at every insert attempt. – Grzegorz Luczywo Jul 2 '17 at 12:10 ...
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How to find all the tables in MySQL with specific column names in them?

...rent column names that I want to look up in the entire DB and list out all tables which have those columns. Any easy script? ...
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How to set a default entity property value with Hibernate

...ld not recommend using columnDefinition for this situation, this is not portable from a database to another, and you need to know the specific SQL language of your server. – pdem Sep 20 '16 at 7:30 ...