06-21-2016
Hierarchical Query for Sybase database
Team
I am using DBartisan tool for sybase database.
I have a table that has below fields Employee_ID,EMP_Name,First_Nm,Last_Nm,Emp_Designation,Employee's_Manager
is it possible to retrieve hierarchical data based on below fields
Emp_Designation will have Soft Engg,SSE,Team Lead, Architect,Vice President,President,CEO etc
Employee's_Manager names are again referred under EMP_Name where again he would be reporting to another manager under
"Employee's_Manager" column
Will it be possible to retrieve hierarchical data based on above fields/values by comparing to Employee's_Manager designation
Any help appreciated.
Last edited by Perlbaby; 06-21-2016 at 12:03 PM..
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LEARN ABOUT REDHAT
comment
COMMENT(7) SQL Commands COMMENT(7)
NAME
COMMENT - define or change the comment of an object
SYNOPSIS
COMMENT ON
[
TABLE object_name |
COLUMN table_name.column_name |
AGGREGATE agg_name (agg_type) |
CONSTRAINT constraint_name ON table_name |
DATABASE object_name |
DOMAIN object_name |
FUNCTION func_name (arg1_type, arg2_type, ...) |
INDEX object_name |
OPERATOR op (leftoperand_type, rightoperand_type) |
RULE rule_name ON table_name |
SCHEMA object_name |
SEQUENCE object_name |
TRIGGER trigger_name ON table_name |
TYPE object_name |
VIEW object_name
] IS 'text'
INPUTS
object_name,
The name of the object to be be commented. Names of tables, aggregates, domains, functions, indexes, operators, sequences, types,
and views may be schema-qualified.
text The comment to add.
OUTPUTS
COMMENT
Message returned if the table is successfully commented.
DESCRIPTION
COMMENT stores a comment about a database object. Comments can be easily retrieved with psql's dd, d+, or l+ commands. Other user
interfaces to retrieve comments can be built atop the same built-in functions that psql uses, namely obj_description() and col_descrip-
tion().
To modify a comment, issue a new COMMENT command for the same object. Only one comment string is stored for each object. To remove a com-
ment, write NULL in place of the text string. Comments are automatically dropped when the object is dropped.
Note: There is presently no security mechanism for comments: any user connected to a database can see all the comments for objects
in that database (although only superusers can change comments for objects that they don't own). Therefore, don't put security-crit-
ical information in comments.
USAGE
Attach a comment to the table mytable:
COMMENT ON TABLE mytable IS 'This is my table.';
Remove it again:
COMMENT ON TABLE mytable IS NULL;
Some more examples:
COMMENT ON AGGREGATE my_aggregate (double precision) IS 'Computes sample variance';
COMMENT ON COLUMN my_table.my_field IS 'Employee ID number';
COMMENT ON DATABASE my_database IS 'Development Database';
COMMENT ON DOMAIN my_domain IS 'Email Address Domain';
COMMENT ON FUNCTION my_function (timestamp) IS 'Returns Roman Numeral';
COMMENT ON INDEX my_index IS 'Enforces uniqueness on employee id';
COMMENT ON OPERATOR ^ (text, text) IS 'Performs intersection of two texts';
COMMENT ON OPERATOR ^ (NONE, text) IS 'This is a prefix operator on text';
COMMENT ON RULE my_rule ON my_table IS 'Logs UPDATES of employee records';
COMMENT ON SCHEMA my_schema IS 'Departmental data';
COMMENT ON SEQUENCE my_sequence IS 'Used to generate primary keys';
COMMENT ON TABLE my_schema.my_table IS 'Employee Information';
COMMENT ON TRIGGER my_trigger ON my_table IS 'Used for R.I.';
COMMENT ON TYPE complex IS 'Complex Number datatype';
COMMENT ON VIEW my_view IS 'View of departmental costs';
COMPATIBILITY
SQL92
There is no COMMENT in SQL92.
SQL - Language Statements 2002-11-22 COMMENT(7)