WebSep 30, 2024 · select table_name from user_constraints where (r_constraint_name) in ( select constraint_name from user_constraints where table_name = 'T' and constraint_type in ( 'P', 'U' ) ); So, we can easily find all the constraints on the table in oracle using data dictionary views. We can then take whatever action like modify, disable, drop, we want to ... WebMay 19, 2024 · If you run the DESC TABLE, you can display the table description of table as follows. You can display all columns of any table using the DESC command as …
Oracle ORDER BY DESC How does ORDER BY DESC work …
WebOct 9, 2012 · Hello I have table with below structure ,but if I query dba_segments the tablepace is 2gb but where as the path table and secondary indexes are huge around 20G seems I am not querying the size of xmltupe..Please help me how I can calucute the size of below table. CREATE TABLE DAS_DESC.DESCRIPTION (NAID NUMBER, P_NAID … Webdescribe_table_statement ::= (DESCRIBE DESC) [AS JSON] TABLE table_name [ " (" field_name ["," field_name] ")"] Semantics The description for tables contains the following information: Name of the table. Time-To-Live value of the table. Owner of the table. … solarflow preis
DESCRIBE - Oracle
WebORDER BY column_name DESC; Parameters: column1, column2, column_n: This refers to the columns whose data we want. table_name: It refers to the name of the table which we want to query column_name: It … WebAug 10, 2024 · This is often faster than full scanning the table. *Starting in 11.2.0.2, Oracle Database can use function-based indexes to process queries without the function in the where clause. This happens in a special case where the function preserves the leading part of the indexed values. ... By specifying desc after the column, Oracle Database sorts ... WebDec 25, 2024 · As the name suggests, DESCRIBE is used to describe something. Since in database we have tables, that’s why we use DESCRIBE or DESC(both are same) command to ... solar flushing pump hire