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What does selection means in oracle 10g?
get data of particular rows from the table. Criteria can be used to select the rows retrived
What are the advantages and disadvantages of indexes in oracle?
The advantages of indexes in Oracle are that it is faster at accessing rows and is useful. The disadvantages are that the table used is small and an index must be used in order to access data.
What are the Linux commands used by Oracle DBA?
ls
What is cursors in oracle?
cursor is used to retrive multiple rows at a time
What are rows in periodic table used for?
The rows are used to study the change in trends. There are 7 periods in periodic table.
How is the periodic table is and how it is used?
Periodic table is expressed as rows and columns. It is used by locating the position of element.
How the periodic table is and how it is used?
Periodic Table is expressed as rows and columns. It is used by locating the position of element.
How many rows can you have in an Excel pivot table?
as many as number of rows in the version that is used less one row for col labl. is the max no of rows.
What is tables in rdbms?
table is collection of rows and columns which are used to store the data
When a table is formatted with banded rows what does it mean?
Banded rows in a table refer to a formatting style where alternating rows are shaded with different colors or patterns. This technique enhances readability by helping users easily distinguish between rows, making it easier to track information across the table. Banded rows are commonly used in spreadsheets and reports to improve visual clarity and organization.
How does one perform performance tuning in Oracle?
Tuning in Oracle is required in order to speed up computing times and to save money. Oracle will perform a test to determine what portions require tuning. From there various commands are used to tune ones system.
How do you use echo in oracle with example?
In Oracle, the ECHO command is used in SQL*Plus to control the display of commands in the output. When set to ON, it will display the commands being executed; when set to OFF, it will suppress the output of the commands. For example, you can use it as follows: SET ECHO ON; SELECT * FROM employees; SET ECHO OFF; In this example, the SQL command will be shown in the output when ECHO is ON, making it easier to see what commands are being run.
