资讯

Oracle9i offers some great tools to make it easy to view the execution plan and trace information for a SQL statement. Prior to Oracle8i, you had to create a plan table and execute special syntax ...
Occasionally you might want to submit SQL statements that are not queries, such as statements that drop tables or create indexes. These non-query, non-SELECT statements do not produce output. You can ...
The DESCRIBE TABLE statement writes a CREATE TABLE statement to the SAS log for the table specified in the DESCRIBE TABLE statement, regardless of how the table was originally created (for example, ...