In multi-threading how can we ensure that a resource isn't used by multiple threads simultaneously?
What is a check method ?
what is Digital Signal processing?
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
What is the role of break and continue statements?
Give us a example of automatic recording with basic and desktop versions?
I have applied to accenture in-person and they have scheduled me interview at 26thjuly but they have not shared me venue details and still my candidate status is showing as "scheduled for weeken walkin"? what should i do now?
How many sql ddl commands are supported by 'mysql'?
In pfcg where we can add customized t-codes. And where we can see customized t-codes
What is a record in a database?
Please anyone give answers for all below questions and help ? realtimers please and please share your knowledge.lot of questions left unanswered.
what is inlet gas pressure of ge 9 fa gas turbine ?
Is queue fifo or lifo?
What is marine geologists?
what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?