Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...
To update the data, you can specify view descriptors in the PROC SQL DELETE, INSERT, and UPDATE statements. You must have access to the data through appropriate ADABAS and/or NATURAL security options ...
The Oracle SQL*Plus product has introduced some new features that have long been missing from this utility program, and some to support the new features. Here's a rundown of the new features in Oracle ...
I have written an application that takes in a fixed-width file (thanks in no small part to advice I recieved in a seperate thread) and then dissasembles each line, runs a fairly meaty SQL SELECT query ...
This section describes how to retrieve DBMS data by using the statements and components of the SQL Procedure Pass-Through Facility to access DBMS data. The Pass-Through Facility uses the SAS/ACCESS ...
Getting frustrated with my lack of SQL-foo ...<BR><BR>I want to update my 'main' table based on the query of an 'editor' table (a copy of the 'main' table with the additional field named delta which ...
Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how. Simply use the DISTINCT clause and between the SELECT clause and the fields.
The SQL query language was designed to provide programmers with a way to create, maintain and modify databases in a structured way. Using SQL, the programmer can add and remove items from databases as ...
SQL is about as easy as it gets in the world of programming, and yet its learning curve is still steep enough to prevent many people from interacting with relational databases. Salesforce’s AI ...
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