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Databases AllOther (288) i have a question here... As of my knowledge, when we apply an index (b-tree)on a column, internally it arranges the data in b-tree format and do the fetching process correspondingly... and my quetion is... How a bit-map index arranges the data internally when applied on a column?IS it in b-tree format or whatelse?
1911which institute and which faculty is providing best training for oracle sql, plsql in hyderabad
4 5396I have a table emp , Fields with empname,dnname,dno,salary. now I want copy distinct salary with all emp detail from emp into new table which is not already exist in database. how would I do this ?
2 3976I have single column in a file. Input 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 my output is file 1 have 1,2,3,10,11,12 file 2 have 4,5,6,13,14,15 and file 3 have 7,8,9 how is it possible in datastage
IBM,
1512First input columns brand, mt, re values are ov, 1,re vg, 2,re wu ,3,re. Second input columns are brand, mt, cx their records are ov,4,vg ,5,cx Wu, 6,cx and third input columns brand, mt, rt values are ov,7,rt vg, 8,rt wu, 9,rt but my output is brand, re, cx,rt values are ov, 1,4,7 vg, 2,5,8 wu, 3,6,9
IBM,
1704While inserting/updating million of records into a database table, how do I came to know how many records has been inserted or updated successfully so far?
HSBC,
2 7945My select statement is not working as expected, So, to overcome from such issues what are the steps needed to be taken care?
CG,
2 4426I have a table with 1 million records out of which 10,000 records are of unique records, then if I will implement index, then which type of index shall I use and why shall I use?
HSBC,
2 7450Can we use commit or rollback in trigger? If yes, then how. Please explain with a suitable example?
HSBC,
5 134722) Consider a Table name A which has below records ID --- 5 5 5 5 5 Consider another table B which has below records ID -- 5 5 5 5 5 5 5 5 How many rows will be returned by each of the below queries a) select * from A inner join B on A.id = b.ID b) select * from A left join B on A.id = b.ID c) select * from A right join B on A.id = b.ID
2 4857I have 3+ Years experience HR with Technical Recruitment Industry. Now i would like to learn oracle HRMS Models of all aspect. please suggest any one, which institution is best for oracle HRMS practical with real time teaching in Chennai, Tamilnadu. What are the basic stat up to learn Oracle HRMS with Core strongly?
1 3061
How will you run ms_batch file in forms?
What do you understand by functional dependency and transitive dependency in dbms?
What are rows and columns?
What are the 6 major components of microsoft access?
name 3 ways to get an accurate count of the number of records in a table? : Sql dba
in a table is b in column k (manikanta,sivananda,muralidhar) i want result like (mnikanta,sivnanda,murlidhar) please slove it
Which are new data types introduced in sql server 2008?
Enlist some commands of dcl?
How can you customize to mongo shell prompt?
Difference between Inner vs outer joins?
How to enforce security in sql server? : sql server security
List similarities and differences between oracle & sybase.
Explain what role entity and relationship play in an ER diagram.
Can you have a composite foreign key?
Please explain the main features of couchdb?