In the following description, numerous specific details are set forth such as examples of specific systems, languages, components, etc., in order to provide a thorough understanding of the various embodiments. It will be apparent, however, to one skilled in the art that these specific details ne...
Correlation names are most often used in a correlated query. Other references to the table, view, or materialized view throughout the query must refer to this alias. See Also: "Using Correlated Subqueries: Examples"pivot_clause The pivot_clause lets you write cross-tabulation queries that ...
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Transact-SQL's FOR XML syntax is much richer than this, though—it supports several options that extend its usefulness in numerous ways. In this section, we'll discuss a few of these and work through examples that illustrate them. SELECT…FOR XML (Server-Side) As I'm sure you've ...
If columns in GROUP BY are specified by a regular expression, the complete expression must be used. The columns that do not use aggregate functions in a SELECT statement must be specified in GROUP BY. Examples: The following statement groups table data by the column name region. In this ...
This parameter is case-sensitive. As a result, strings that differ only in character casing are considered to be unique. Add theCaseInsensitiveparameter to perform case-insensitive comparisons. Type:SwitchParameter Position:Named Default value:None ...
Note that bunch of solutions to this common problem can surprisingly be found in the MySQL manual -- even though your problem is in Postgres, not MySQL, the solutions given should work with most SQL variants. See Examples of Common Queries :: The Rows Holding the Group-wise Maximum of...
This means that a record from the first table is fetched before any records from the second table are fetched. Typically, other join algorithms, such as hash-joins and merge-joins, would be considered. This keyword is often combined with the forceSelectOrder keyword. while select forceSelect...
statement that contains a join algorithm. Therefore, a record from the first table is fetched before any records from the second table are fetched. Typically, other join algorithms, such as hash joins and merge joins, are considered. This keyword is often combined with theforceSelectOrderkeyword...
examples of one of the things I find undesirable in a select list. I must be missing something but I just don't know what it is. "Without table columns we need to use a non-proportional font in our select lists to get things to line up correctly" Is that what you were showing me...