SQLT in Oracle

SQLTXPLAIN, also known as SQLT, is a tool provided by Oracle Server Technologies Center of Expertise – ST CoE. SQLT inputs one SQL statement and outputs a set of diagnostics files. These files are commonly used to diagnose SQL statements performing poorly. SQLT connects to the database and collects execution plans, Cost-based Optimizer CBO statistics, […]

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Drop the SQLT in Oracle Database

Uninstalling SQLT removes the SQLT repository and all SQLTXPLAIN/SQLTXADMIN schema objects. SQLTXPLAIN and SQLTXADMIN users also gets dropped. To uninstall SQLT simply execute sqlt/install/sqdrop.sql connected as SYS.

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How to extract SQL from SQLT

SQLTXPLAIN gets installed into separate schema called SQLTXPLAIN. It can be installed on RAC and on any version greater than 9i. When it is installed, it will ask for application schema so make sure that installation schema has SELECT_CATALOG_ROLE privilege. In order to run the script to create SQLTXPLAIN schema, one need to connect as […]

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