OMIS-Excel Notes-Linda's

60 70 80 90 100 52 excel notes

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Unformatted text preview: ion’s data and how they should be represented in a database is perhaps the most important lesson you can learn from this course.” (Laudon & Laudon, 2013) Excel Tables • A table is a structured range of related data formatted to enable data management and analysis • Excel tables offer many features not available to regular ranges A table is an area in the worksheet that contains rows and columns of related data formatted to enable data management and analysis. Tables offer many features not available to simple data ranges. Column headings remain onscreen without need for freezing. Filter drop- down lists permit the table to be filtered to show only a subset of that data satisfying certain conditions. Predefined table styles enable easy formatting. Calculated columns cause a formula or function written in a column to be automatically copied to every cell in the column. A total row permits quick use of statistical functions at the bottom of a column. Structured references permit use of the column header name to reference a column. Table Design • A field is an individual piece of data – Field names appear in the top row as column headings – Field names should be short, but descriptive • A record is a complete set of data for an entity – Each record is listed in a row of the table – Do not insert blank rows in the table • A field is an individual piece of data, such a person’s name or zip code. Field names should be entered in the top row of the table, appearing as column headings. Use short, but descriptive, names and be sure each field name is unique. A record is a complete set of data f...
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