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Microsoft Access MS Access Basics Tips and Trick-7

Adding Data An Access database is not a file in the same sense as a Microsoft Office Word document or a Microsoft Office PowerPoint are. Instead, an Access database is a collection of objects like tables, forms, reports, queries etc. that must work together for a database to function properly. We have now created two tables with all of the fields and field properties necessary in our database. To view, change, insert, or delete data in a table within Access, you can use the table’s Datasheet View. A datasheet is a simple way to look at your data in rows and columns without any special formatting. Whenever you create a new web table, Access automatically creates two views that you can start using immediately for data entry. A table open in Datasheet View resembles an Excel worksheet, and you can type or paste data into one or more fields. You do not need to explicitly save your data. Access commits your changes to the table when you move the cursor to a new field in the same row, or whe...
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Microsoft Excel-office WORKING WITH FORMULA Tips and Tricks-5

Built-in Functions in Excel 2010

Built In Functions

MS Excel has many built in functions, which we can use in our formula. To see all the functions by category, choose Formulas Tab » Insert Function. Then Insert function Dialog appears from which we can choose the function.

Functions by Categories

Let us see some of the built in functions in MS Excel.

  • Text Functions

    • LOWER − Converts all characters in a supplied text string to lower case

    • UPPER − Converts all characters in a supplied text string to upper case

    • TRIM − Removes duplicate spaces, and spaces at the start and end of a text string

    • CONCATENATE − Joins together two or more text strings.

    • LEFT − Returns a specified number of characters from the start of a supplied text string.

    • MID − Returns a specified number of characters from the middle of a supplied text string

    • RIGHT − Returns a specified number of characters from the end of a supplied text string.

    • LEN − Returns the length of a supplied text string

    • FIND − Returns the position of a supplied character or text string from within a supplied text string (case-sensitive).

  • Date & Time

    • DATE − Returns a date, from a user-supplied year, month and day.

    • TIME − Returns a time, from a user-supplied hour, minute and second.

    • DATEVALUE − Converts a text string showing a date, to an integer that represents the date in Excel's date-time code.

    • TIMEVALUE − Converts a text string showing a time, to a decimal that represents the time in Excel.

    • NOW − Returns the current date & time.

    • TODAY − Returns today's date.

  • Statistical

    • MAX − Returns the largest value from a list of supplied numbers.

    • MIN − Returns the smallest value from a list of supplied numbers.

    • AVERAGE − Returns the Average of a list of supplied numbers.

    • COUNT − Returns the number of numerical values in a supplied set of cells or values.

    • COUNTIF − Returns the number of cells (of a supplied range), that satisfies a given criteria.

    • SUM − Returns the sum of a supplied list of numbers

  • Logical

    • AND − Tests a number of user-defined conditions and returns TRUE if ALL of the conditions evaluate to TRUE, or FALSE otherwise

    • OR − Tests a number of user-defined conditions and returns TRUE if ANY of the conditions evaluate to TRUE, or FALSE otherwise.

    • NOT − Returns a logical value that is the opposite of a user supplied logical value or expression i.e. returns FALSE if the supplied argument is TRUE and returns TRUE if the supplied argument is FAL

  • Math & Trig

    • ABS − Returns the absolute value (i.e. the modulus) of a supplied number.

    • SIGN − Returns the sign (+1, -1 or 0) of a supplied number.

    • SQRT − Returns the positive square root of a given number.

    • MOD − Returns the remainder from a division between two supplied numbers.


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