Summary: in this tutorial, you will learn how to use the Oracle MERGE statement to perform an update or insert data based on a specified condition. Introduction to the Oracle MERGE statement The Oracle MERGE statement selects data from one or more source tables and updates or inserts it int...
the condition of theONclause is false. If the insert clause is executed, then all insert triggers defined on the target table are activated. If you omit the column list after theINSERTkeyword, then the number of columns in the target table must match the number of values in theVALUES...
In the and box, you can specify an additional condition which needs to be met for the action to be performed. You can have multiple Merge Actions. Click on the More tab to be able to specify two more. NotesSome databases do not report on the number of rows affected by the Merge: Or...
Concatenate two columns using a trigger Concatenated Stored Procedure parameter value concatenating in the string and passing parameters with sp_executesql Concatenating inside EXEC Condition query to parameter only if parameter has "usable" value? CONDITIONAL failed because the following SET options have ...
C# Linq Group By on multiple columns C# LINQ List<KeyValuePair<string, KeyValuePair<int, int>>> Group by to List<KeyValuePair<string, List<KeyValuePair<int, int>>> C# LINQ one condition, return multiple columns and rows C# LINQ order by not working for a SQL table with a primary ke...
Oracle PL/SQL Procedural Language/SQL (based on Ada) PostgreSQL PL/pgSQL Procedural Language/PostgreSQL Structured Query Language (implements SQL/PSM) Sybase Watcom-SQL SQL Anywhere Watcom-SQL Dialect Teradata SPL Stored Procedural Language SAP SAP HANA SQL Script In addition to the standard SQL/PSM...
A sort-merge join is useful when joining two large tables or when the join is based on an inequality predicate. In a sort-merge join, the data from each table is sorted by the values of the columns in the join condition. The sorted tables are then merged, such that each pair of rows...
This is ideal for opening the data in Excel, Stata, or any other program that treats data as columns and rows. Unfortunately, this format may not be ideal for users who wish to review the data. For example, you may have a data scrutiny process that partly involves people ...
But when merge_walk, it check the condition again, using THE LAST row in the match result set. This leads to bug when the "case when" condition return null in the last row, it will lead to the result as 0, error result. How to repeat: drop table if exists tb; set tmp_table_...
NTP server on two different time zones EST and PST NTP Server Version V3 or V4 NTP version per server OS NTUser.dat *.regtrans-ms & *TM.blf files being created every day in user's profile folders NTVDM encountered a hard error Num Lock problem: Strange number in InitialKeyboardIndicators ...