Search results
Results from the WOW.Com Content Network
Some database implementations adopted the term upsert (a portmanteau of update and insert) to a database statement, or combination of statements, that inserts a record to a table in a database if the record does not exist or, if the record already exists, updates the existing record.
A query includes a list of columns to include in the final result, normally immediately following the SELECT keyword. An asterisk ("*") can be used to specify that the query should return all columns of the queried tables. SELECT is the most complex statement in SQL, with optional keywords and clauses that include:
The primary front-end for PostgreSQL is the psql command-line program, which can be used to enter SQL queries directly, or execute them from a file. In addition, psql provides a number of meta-commands and various shell-like features to facilitate writing scripts and automating a wide variety of tasks; for example tab completion of object names ...
Pages in category "PostgreSQL" ... QUEL query languages; S. Slony-I; T. Truviso This page was last edited on 15 September 2015, at 12:29 (UTC). Text is available ...
In PostgreSQL, a useful partial index might be defined as: create index partial_status on txn_table ( status ) where status in ( 'A' , 'P' , 'W' ); This index would not bother storing any of the millions of rows that have reached "final" status, 'F', and would allow queries looking for transactions that still "need work" to efficiently search ...
SunFed Produce has issued a voluntary recall for cucumbers distributed across 26 U.S. states and parts of Canada, the Food and Drug Administration said Friday. The action was taken due to concerns ...
PSQL can refer to: Pervasive PSQL , a proprietary DBMS optimized for embedding in applications psql (PostgreSQL) , an interactive terminal-based front-end to PostgreSQL
Choose your Most Memorable Sports Moment of 2024. Choose between the Kansas City Chiefs winning the Super Bowl, the Summer Olympic Games in Paris, France, or LA Dodgers Shohei Ohtani becoming the ...