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CSV is a delimited text file that uses a comma to separate values (many implementations of CSV import/export tools allow other separators to be used; for example, the use of a "Sep=^" row as the first row in the *.csv file will cause Excel to open the file expecting caret "^" to be the separator instead of comma ","). Simple CSV implementations ...
Data in child tables will appear to exist in the parent tables, unless data is selected from the parent table using the ONLY keyword, i.e. SELECT * FROM ONLY parent_table;. Adding a column in the parent table will cause that column to appear in the child table.
The name "Postgres-XL" stands for "eXtensible Lattice". [2] The last release of Postgres-XL was made in September 2018 and development ceased in October. [3] The website has also gone offline. Postgres-XL is based on Postgres-XC, an earlier distributed PostgreSQL system developed by NTT Data and EnterpriseDB. [4]
Copy and paste spreadsheet data directly in an existing table; UTF-8 and UTF-16 text file can be saved without byte order mark (BOM) Calc. Support Signature Line in the spreadsheet; Data Validation supports custom formulas; Do multivariate regression analysis via regression tool; Add the REGEX function to match or replace text with regular ...
Gnumeric – spreadsheet program of the GNOME Project; Calligra Sheets – spreadsheet component of the Calligra Suite in KDE; Pyspread – spreadsheet which uses Python for macro programming, and allows each cell to contain data, the results of a calculation, a Python program, or the results of a Python program.
A table (called the referencing table) can refer to a column (or a group of columns) in another table (the referenced table) by using a foreign key. The referenced column(s) in the referenced table must be under a unique constraint, such as a primary key. Also, self-references are possible (not fully implemented in MS SQL Server though [5]).
The following example of a SELECT query returns a list of expensive books. The query retrieves all rows from the Book table in which the price column contains a value greater than 100.00. The result is sorted in ascending order by title. The asterisk (*) in the select list indicates that all columns of the Book table should be included in the ...
Microsoft Excel 4/5/95 XLS, XLW, XLT Yes Yes Microsoft Excel 97–2003 XLS, XLW, XLT Yes Yes DocBook: XML Yes Yes since 1.1 WordPerfect: WPD Yes WordPerfect Suite 2000/Office 1.0 WPS Yes StarOffice StarWriter 3/4/5 SDW, SGL, VOR Yes Yes Ichitaro 8/9/10/11 JTD, JTT Yes ApportisDoc (Palm) PDB Yes Yes Requires Java Hangul WP 97 HWP Yes Microsoft ...