Still incomplete though, but at least usable. Unlike mysql and mysqli, both of which are low level bare APIs not intended to be used directly (but only as a building material for some higher level abstraction layer), PDO is such an abstraction already.
Razorsql tutorial code#
PDO abstracts not only a database API, but also basic operations that otherwise have to be repeated hundreds of times in every application, making your code extremely WET. However, it is not it is much, much more. Thus, for the average LAMP developer, this point is rather insignificant, and to him, PDO is just a more complicated version of familiar mysql(i)_query() function. And, despite some rumors, it is impossible to switch database backends by changing a single line in PDO config - due to different SQL flavors (to do so, one needs to use an averaged query language like DQL). Although this feature is magnificent by itself, it doesn't make a big deal for the particular application, where only one database backend is used anyway.
The abstraction, however, is two-fold: one is widely known but less significant, while another is obscure but of most importance.Įveryone knows that PDO offers unified interface to access many different databases. PDO is a Database Access Abstraction Layer.
Razorsql tutorial driver#
Following the mission of this site, this article will disprove various delusions and bad practices, while showing the right way instead.Īlthough this tutorial is based on mysql driver, the information, in general, is applicable for any driver supported. Unlike those, this tutorial is written by someone who has used PDO for many years, dug through it, and answered thousands questions on Stack Overflow (the sole gold PDO badge bearer). As a result, half of PDO's features remain in obscurity and are almost never used by PHP developers, who, as a result, are constantly trying to reinvent the wheel which already exists in PDO. The only two exceptions are and, but they miss a lot of important information. There are many tutorials on PDO already, but unfortunately, most of them fail to explain the real benefits of PDO, or even promote rather bad practices. Getting data out of statement in dozens different formats.Running SELECT INSERT, UPDATE, or DELETE statements.This is an issue in the GUI only it causes no performance issues. They should appear only in the FUNCTIONS folder. In the object tree, all Vertica User-Defined Functions (UDFs) appear erroneously in the FUNCTIONS, SYSTEM TABLE, and VIEW folders.Values are displayed in hexadecimal format. Vertica functions are typically used within a SQL string and passed arguments.įor TIME data type, milliseconds are truncated.įor TIMETZ data type, milliseconds and time zone values are not displayed.įor TIMESTAMPTZ, time zone is not displayed.īINARY, VARBINARY, and LONGVARBINARY data types are not displayed correctly. This error appears because Vertica functions are not intended to be run as standalone functions. When you right-click a function and select Execute Procedure it fails with a Driver not capable error. You can now explore the tools offered by RazorSQL.
RazorSQL connects to your Vertica database.Īfter successfully connecting to RazorSQL, the database browser interface opens. Enter your connection information in the corresponding fields.īy default, Auto Commit is set to On and SQL Restrictions is set to None.ODBC: Allows you to use an ODBC driver of your choice.JDBC: Allows you to use a JDBC driver of your choice.To use the latest version of the driver, go to the next step. Note The default JDBC (Vertica) driver is bundled with the old 6.1.3 driver.
Razorsql tutorial software#
This document is based on our testing using the following versions: Software Vertica and RazorSQL: Latest Versions Tested It is an SQL formatting tool, history tracking, and a favorite tool for storing frequently used SQL statements. It has features like Visual tools for creating and modifying database objects and for importing and exporting data in various file formats. RazorSQL is a SQL editor, database query tool, database browser, and database administration tool. Connection guides are based on our testing with specific versions of Vertica and the partner product.
Vertica connection guides provide basic instructions for connecting a third-party partner product to Vertica. Vertica Integration with RazorSQL: Connection Guide About Vertica Connection Guides
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