People in the Blue Zones eat nuts two to four times each week. Red Wine: A daily glass of red wine is also believed to help increase longevity. Researchers believe it is because it helps combat both stress and chronic inflammation in the body.
Answer: There are a few ways to verify whether a table exists within Oracle. One way is to describe it to check if the table exists: SQL> desc mytable. Another is to select the first row to check that the table exists (hey it may have millions of rows!): SQL> select * from mytable where rownum=1; At bare minimum, you will get a response of 0 rows selected which means the table exists, but there is no data in the table. You can also check the data dictionary to see if a table exists: SQL> select table_name from user_tables where table_name='MYTABLE';
Syntax. truncate_table ::=. Semantics. TABLE Clause. Specify the schema and name of the table to be truncated. This table cannot be part of a cluster. If you omit schema, then Oracle Database assumes the table is in your own cluster. You can truncate index-organized tables and temporary tables.When you truncate a temporary table, only the rows created during the current session are removed. Oracle Database changes the NEXT storage parameter of table to be the size of the last extent deleted from the segment in the process of truncation.estrictions on Truncating Tables This statement is subject to the following restrictions: You cannot individually truncate a table that is part of a cluster. You must either truncate the cluster, delete all rows from the table, or drop and re-create the table.