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Express types of information available in MySQL?
Information as regards the result of queries:
This includes number of records affected by any SELECT or UPDATE or DELETE statement.
Information as regards tables and databases: This includes information pertaining to the structure of Databases and table. Information regarding the MySQL server: This includes present status of database server and version and number etc
#ques Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a p
Describe a technique for direct search? Explain how data is stored within a file so which direct searching can be performed. For a file of unordered fixed length records by u
What is a checkpoint? List the operations to be performed by the system when a checkpoint is to be taken. What does the recovery system do if there is a crash? There is large n
Define Network DBMS The NDBMS is built primarily on a one-to-many relationship, but where a parent-child representation between the data items cannot be ensured. This may occur
3 assignments combined in 1
how to operate database in access ?
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an ex
Exclusive lock It is asked for by a transaction on a data item that it wants to update. No other transaction can put either a shared lock or an exclusive lock on a dat
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
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