Mon premier blog

Oracle Sql Tricks And Workarounds Zahar Hilkevich
Publisher: AuthorHouse

Oracle Sql Tricks and Workarounds. Create user-defined aggregate function; use undocumented function WM_CONCAT; use some "exotic" ways based on Oracle SQL features. As workaround Tom Kyte advices to use sys_context, search here by 'sys_context'. , 'YYYY-MM-DD HH24:MI:SS') syntax a bit. Become an sql guru, find multiple solutions to sql problems, reach your career goals as a developer. This book introduces a relatively new approach to mastering one's Oracle SQL skills. Oracle sum for strings varchar listagg stragg wm_concat string aggregation. A successful SQL injection exploit can read sensitive data from the database, modify database data (Insert/Update/Delete), execute administration operations on the database (such as shutdown the DBMS), recover the content of a given . WM_CONCAT function Another Oracle SQL tricks to get SUM for strings. In Oracle 11R2 LISTAGG function was introduced. Often people are surprised to see that Oracle supports the ANSI DATE and TIMESTAMP syntax in the SQL code, which allows me to shorten the lengthy TO_DATE( …. You can just type this if you want to compare some field to a date (day precision): ..