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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?
1954which institute and which faculty is providing best training for oracle sql, plsql in hyderabad
4 5526I 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 4070I 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,
1553First 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,
1745While 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 8035My select statement is not working as expected, So, to overcome from such issues what are the steps needed to be taken care?
CG,
2 4518I 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 7586Can we use commit or rollback in trigger? If yes, then how. Please explain with a suitable example?
HSBC,
5 136962) 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 4955I 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 3142
Define ddl interpreter.
Define join and name different types of joins?
How do I view a stored procedure in sql server query?
Is it possible to automate the ms access database through menu driven selections? If yes, how?
What is System R? What are its two major subsystems?
Is sql server is free?
What is field with example?
What is database partitioning?
What are the types of table?
Describe the difference between data and database administration.
Is filemaker pro a relational database?
What is the purpose of normalization?
How do I sort a table in sql?
Have you heard about sixth normal form?
How many types of km's?
