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How do I alter the position of a column in a PostgreSQL database table?

... "Alter column position" in the PostgreSQL Wiki says: PostgreSQL currently defines column order based on the attnum column of the pg_attribute table. The only way to change column order is either by recreating the table, or by adding columns and rota...
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How to get a date in YYYY-MM-DD format from a TSQL datetime field?

How do I retrieve a date from SQL Server in YYYY-MM-DD format? I need this to work with SQL Server 2000 and up. Is there a simple way to perform this in SQL Server or would it be easier to convert it programmatically after I retrieve the result set? ...
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Fastest Way to Find Distance Between Two Lat/Long Points

I currently have just under a million locations in a mysql database all with longitude and latitude information. 15 Answers...
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GRANT EXECUTE to all stored procedures

... SQL Server 2008 and Above: /* CREATE A NEW ROLE */ CREATE ROLE db_executor /* GRANT EXECUTE TO THE ROLE */ GRANT EXECUTE TO db_executor For just a user (not a role): USE [DBName] GO GRANT EXECUTE TO [user] ...
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How to import an excel file in to a MySQL database

Can any one explain how to import a Microsoft Excel file in to a MySQL database? 11 Answers ...
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How to filter Pandas dataframe using 'in' and 'not in' like in SQL

How can I achieve the equivalents of SQL's IN and NOT IN ? 9 Answers 9 ...
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Cannot issue data manipulation statements with executeQuery()

In MySQL I have two tables, tableA and tableB . I am trying to execute two queries: 10 Answers ...
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JPA and Hibernate - Criteria vs. JPQL or HQL

...ied cache for any DB. This leads to an overhead of compiling the generated SQL, taking more time to execute. Regarding fetching strategies [http://www.hibernate.org/315.html] Criteria respects the laziness settings in your mappings and guarantees that what you want loaded is loaded. This me...
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Compare DATETIME and DATE ignoring time portion

... Use the CAST to the new DATE data type in SQL Server 2008 to compare just the date portion: IF CAST(DateField1 AS DATE) = CAST(DateField2 AS DATE) share | improve ...
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What do Clustered and Non clustered index actually mean?

... @Pete that isn't the case. SQL Server certainly doesn't guarantee that all data files are laid out in a contiguous physical area of disc and there is zero file system fragmentation. It isn't even true that a clustered index is in order within the data ...