Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier. Due to popular demand, we’re ...
AIM: To implement the conditional selection statement in PL/SQL block. ALGORITHM: STEP 1: Start the program. STEP 2: Create the PL/SQL Block with necessary blocks. STEP 3: Declare the necessary ...
Well, if you happen to be using Sql Server you can do that sort of thing in T-Sql. In Oracle, you can also accomplish the same thing using pl/sql. Either way i'd do it in a stored ...
Why does the order of the SELECT statements in the UNION affect the result?<BR><BR>This first SQL produces the result I want.<BR><BR>SELECT cat_id AS catid, manufacturer AS mfr, model, a_class_id as ...
Currently huge piece of SQL functionality couldn't be used in virtual datasets due to the fact that dataset query is being put into from section in a pattern "from ("SQL query") as virtual_table. This ...
What’s your average success rate of getting a SQL statement right on the first try? In best case, you botched a simple statement without side effects and just have to try again with correct syntax or ...
Abstract: The motivation of this paper is to be able to generate high-quality (Structured Query Language) SQL language sentences in terms of syntax and semantics so that they are intended to achieve a ...
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