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Databases Interview Questions
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How to create lov dynamically in oracle forms which is data comes from database procedure of out parameter, data will will out parameter of procedure base

 1 1215

create or replace procedure search_matter(empno varchar2) as sql_stmt varchar2(200); stmt varchar2(200); v_table_name varchar2(200); val_pres number; inp_value varchar2(200); type obj_typ is table of cols.column_name%type index by binary_integer; type all_col is table of varchar2(100) index by binary_integer; typ_obj_typ obj_typ; typ_all_col all_col; begin select object_name bulk collect into typ_obj_typ from user_tables,user_objects where table_name = object_name AND object_type = 'TABLE'; select empno into inp_value from dual; dbms_output.put_line('inp value : '||inp_value); for i in typ_obj_typ.first..typ_obj_typ.last loop v_table_name := NULL; v_table_name := typ_obj_typ(i); dbms_output.put_line(i||':'||typ_obj_typ(i)); dbms_output.put_line('....................'); sql_stmt := 'select column_name from cols where table_name = :1 and data_type in (''CHAR'', ''VARCHAR2'', ''NCHAR'', ''NVARCHAR2'',''NUMBER'')'; EXECUTE IMMEDIATE sql_stmt bulk collect into typ_all_col using typ_obj_typ(i); for inside in typ_all_col.first..typ_all_col.last loop dbms_output.put_line('sql stmt: '||sql_stmt); dbms_output.put_line('column name: '||typ_all_col(inside)||'table name: '||typ_obj_typ(i)); stmt := 'select count(*) from ||typ_obj_typ(i)||'; EXECUTE_IMMEDIATE stmt into val_pres ; if val_pres = 1 then dbms_output.put_line('value present col name: '||typ_all_col(inside)||'table name :'||typ_obj_typ(i)); end if; end loop; dbms_output.put_line('....................'); end loop; exception when others then dbms_output.put_line('sql code '||sqlcode||'Table name: '||v_table_name); dbms_output.put_line('sql message '||sqlerrm); end; Compile-time I am getting below error, Plz help to resolve. LINE/COL ERROR -------- ----------------------------------------------------------------- 47/23 PLS-00103: Encountered the symbol "STMT" when expecting one of the following: := . ( @ % ;

 841

table a has records 1,1,1,1 table b has records 1,1,1,1,1,1 what would be out if perform join for all cases

 1026

Sql technical questions

 1011

What is view? Can we update view

 1093

What is materialized view. What are different methods of refresh?

 1081

What if we write return in procedure?

 990

what is cursor. write example of it. What are the attributes of cursor.

 986

How to handle bulk data?

 1062

What is the difference between Union and Union all. Which is faster.

 1081

What are the steps for performance tuning.

 1046

What is parallel hint?

 944

What is the difference between SQL and NoSQL databases

 1 521

What is a primary key, and how is it different from a unique key?

 3 588

How do you retrieve the second highest salary from a table?

 3 549

Un-Answered Questions { Databases }

Can we use bind variables in oracle stored procedure?

676

What are the types of profiles in ODI?

443

What is the meaning of disabling a trigger?

837

How to use subqueries with the exists operator in oracle?

777

Is sql is a dbms?

684

What is 4nf in normalization form?

762

Is mongodb a sql database?

1

What is normalization and its types?

758

Is mysql same as sql?

646

What are the different types of backups that are available in oracle?

1

Why is it called mongodb?

1

What is the blob data type?

561

What do you understand by sql server agent?

691

explain what is raid and what are different types of raid configurations? : Sql server database administration

742

What are the different Authentication modes in SQL Server and how can you change authentication mode?

825

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