In Vertica string values can be stored in columns with following data types: Char, Varchar and Long Varchar.

The query below lists all character data types.

Query

select table_schema,
       table_name,
       ordinal_position as col_no,
       column_name,
       t.type_name,
       data_type_length as max_length
from v_catalog.columns c
join v_catalog.types t
     on c.data_type_id = t.type_id
where type_name in ('Char', 'Varchar', 'Long Varchar')
order by table_schema,
         table_name,
         ordinal_position;

Columns

• table_schema - name of the schema
• table_name - name of the table
• col_no - column position within table
• column_name - name of the column
• type_name - type of data
• max_length - maximum allowed size of column

Rows

• One row represents one column with a string data type
• Scope of rows: all columns containing string data types in the database
• Ordered by schema name, table name

Sample results