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I have created materialized view successfully but when i am trying to add filter condition on that materialized view along with refresh fast clause i'm getting this error: ORA-12015: cannot create a fast refresh materialized view from a complex query this my ...
which approach is do better performance do bulk insert by using insert from select or Cursor for loop ? for example : [code] DECLARE CURSOR Test_C IS SELECT * FROM test_table1; BEGIN FOR Test_C_REC IN Test_C LOOP INSERT INTO test_table2(col1, col2, col3) VALUES (Test_C.col1, Test_C.col2, Test_C.col3); END LOOP; END; [/code] or a simple select, like: [code] INSERT INTO ...
hello, I need query to get all packages , procedures and functions in my oracle database thanks in advance
I have a query and I want to use if statement inside where clause like this : [code] SELECT e.first_name, e.last_name, e.status FROM employees e WHERE IF status_flag = STATUS_ACTIVE then e.status = 'A' IF status_flag = STATUS_INACTIVE then e.status = 'T' IF source_flag = SOURCE_FUNCTION then e.business_unit = ...
I have a test_table with the following data : [code] select * from test_table; [/code] Number Name 1 AA 1 DD 2 QQ 3 WW 4 EE
Hi , I have the below query where am using TRUNC on the column2 filed which is increasing the performance delay. so need to avoid the TRUNC on this check and need to use BETWEEN operator. Here SYSTEMDATE is the currentdateandtime. So how can ...
Hi, I need a sample for using sys_connect_by_path in sql query please regards,
hello experts, what i want is : query to display 'job' & their counts & then display the no. of distinct 'dept no' under each 'job' & their counts ? consider i have these dataset : SQL> select * from dept; DEPTNO DNAME LOC ---------- -------------- ...
I face this error when I want to execute this block of code in an anonymous pl/sql block: DECLARE BEGIN SELECT last_name INTO v_last FROM employees; dbms_output.put_line('v_last is :' || v_last ); END; PLS-00201: identifier must be declared thanks.
suppose I want to find all tables and views that has column name "last_name" for example.
