How is indexing done in search engines?
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How many columns should be in an index?
Can you load data into multiple tables at once? : aql loader
what is cursor. write example of it. What are the attributes of cursor.
What are the types of index in sql?
What is the difference between execution of triggers and stored procedures?
what is sql? : Sql dba
Display the total debit counts, total credit counts, sum of total debits, sum of total credits from an employee's transaction table (a single table) containing the following columns. Transaction_number Transaction_amount Transaction_date Transaction_type --> tells if the amount is a credit or a debit. As the query alone is important, the table is left with specifying just the field's name. Pls help me with this query.
Is sql sequential or random?
What is scalar and vector?
How can one get sql*loader to commit only at the end of the load file? : aql loader
What are transaction and its controls?
What is the difference between Union and Union all. Which is faster.
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