Answer / Deepak Kumar Pathak

Embedded SQL allows developers to write database access code in their preferred programming language, making it easier and more efficient for complex applications. Other advantages include improved portability, as the same application can run on multiple platforms with minimal changes, and the ability to perform complex operations that might not be possible with plain SQL.

What is the difference between functions, procedures, and packages in pl/sql?

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The select into statement is most often used to create backup copies of tables or for archiving records?

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IF EMP HAS 2 ROWS,DEPT HAS 4 ROWS.WHATS THE RESULT OF SELECT * FROM EMP,DEPT;

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what are the differences between procedure-oriented languages and object-oriented languages? : Sql dba

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Does mysql support pl sql?

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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

1 Answers   Protech,

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What are the datatypes available in pl/sql ?

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What does varchar include?

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What are the return values of functions SQLCODE and SQLERRM ?

2 Answers   PreVator,

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What is sqlca in powerbuilder?

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What is pivot table in sql?

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how to escape special characters in sql statements? : Sql dba

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