Answer Posted / nitesh

PRIMARY KEY CREATED WITH INDEXES WHICH IS NOT HAPPEN WITH
UNIQUE AND NOT NULL

what is auto increment? : Sql dba

1015

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what are the system privileges that are required by a schema owner (user) to create a trigger on a table?

1078

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hi,i plan to put experience on PLSQL ,can anyone suggest me for any institutes in bangalore or how to prepare for interviews

2021

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Can we use ddl statements in stored procedure?

1154

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Is natural join and inner join same?

932

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What is bulk compiling in pl/sql.?

1137

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List the different type of joins?

1061

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What is error ora-12154: tns:could not resolve the connect identifier specified?

1084

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Table1: Col1 col2 1 2 10 3 4 89 5 6 Table:2 Col1 col2 3 2 9 5 4 7 6 87 With the help of table1 and table2 write a query to simulate the fallowing results. Output1: Col1 col2 1 2 2 3 3 4 4 5 5 6 Output2: Col1 col2 2 3 10 4 5 89 6 7 1.Write query for single row to multiple row using sql statements. Eg:a,b,c,d,e,f Change to A B C D E F 2. Write query for multiple row to single row using sql statements. Eg2 A B C D E F Change to Eg:a,b,c,d,e,f Table1: Col1 col2 8 5 2 9 4 2 5 1.Write a query to select all the rows from a table1,if the value of A is null then corresponding B’s value should be printed in A’s value.if the value of A is null in that table then corresponding B’s value should be printed as 30. 2. write a query to find the sum of A and B .display the max among both. 3.write a query to find total number of rows from table 1. Note: if any column value is null in a row then that row should be considered as 2 rows. 4.write a query to display all the records of table1 except A containg 2 as well B containg 5. 5.rewrite the fallowing without using join and group by. Select b.title,max(bc.returneddate –bc.checkoutdate)” mostdaysout” From bookshelf_checkout bc, Book shelf B Where bc.title(+)=b.title Group by b.title. 6.rewrite fallowing query Select id_category from category_master X where exists (select 1 from sub_category Y where X.id_category=Y.id_category) Customer: Name phone1 phone2 phone3 bitwise A 23456 67890 12345 --- B 67459 89760 37689 --- Don’t_call Col1 67890 37689 1.q) update the customer table of bitwise with 1 or 0. Exists in don’t_call table menas show -1 Other wise -0. Output. Name bitwise A 010 B 010

2422

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explain primary keys and auto increment fields in mysql : sql dba

982

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What is the advantage of nosql?

1062

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how many ways we can we find the current date using mysql? : Sql dba

1103

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What is mutating error?

972

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How to create a menu in sqlplus or pl/sql?

1129

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Which type of cursor is used to execute the dml statement?

961

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