Data Conversion
Oracle 12c
| Beginner
- 13 videos | 52m 45s
- Earns a Badge
Frequently when retrieving data stored in an Oracle database it needs to be converted, manipulated, or aggregated. Learn about the Oracle conversion functions and conditional expressions.
WHAT YOU WILL LEARN
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Describe the use of implicit and explicit data conversion within sql statements
Use the to_char function to convert a date to a character data type in a sql statement
Describe elements of the date format model in sql
Use the to_char function to convert a number to a character datatype in a sql statement
Use the to_number and to_date function to convert a character data type to a number or date format in a sql statement
Use the to_char and to_date functions with the rr date format to return data for a previous century in a sql statement
Describe general functions when working with data and pertaining to null values -
Use the nvl and nvl2 function when working with null values in a sql statement
Use the nullif and coalesce functions when working with null values in a sql statement
Use conditional expressions to provide the use of the if-then-else logic in a sql statement
Use the case expression to facilitate a conditional inquiry in a sql statement
Use the decode function to facilitate conditional inquiry in a sql statement
Write sql statements using the to_char, to_date, decode functions and the case expression
IN THIS COURSE
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1. Implicit and Explicit Data Type Conversion4m 23sUpon completion of this video, you will be able to describe the use of implicit and explicit data conversion within SQL statements. FREE ACCESS
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2. Using the TO_CHAR Function with Dates4m 6sIn this video, you will use the TO_CHAR function to convert a date to a character data type in a SQL statement. FREE ACCESS
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3. Date Format Model2m 52sAfter completing this video, you will be able to describe elements of the Date Format Model in SQL. FREE ACCESS
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4. Using the TO_CHAR Function with Numbers5m 28sIn this video, you will learn how to use the TO_CHAR Function to convert a number to a character data type in a SQL statement. FREE ACCESS
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5. TO_NUMBER and TO_DATE Functions3m 47sIn this video, learn how to use the TO_NUMBER and TO_DATE function to convert a character data type to a number or date format in a SQL statement. FREE ACCESS
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6. Using TO_CHAR and TO_DATE with RR Date Format3m 27sIn this video, find out how to use the TO_CHAR and TO_DATE functions with the RR date format to return data for a previous century in an SQL statement. FREE ACCESS
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7. General Functions2m 42sAfter completing this video, you will be able to describe general functions when working with data and how to handle NULL values. FREE ACCESS
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8. NVL and NVL2 Functions5m 43sIn this video, learn how to use the NVL and NVL2 functions when working with NULL values in a SQL statement. FREE ACCESS
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9. NULLIF and COALESCE Functions5m 26sIn this video, learn how to use the NULLIF and COALESCE functions when working with NULL values in SQL statements. FREE ACCESS
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10. Conditional Expressions1m 52sLearn how to use conditional expressions to provide the IF-THEN-ELSE logic in a SQL statement. FREE ACCESS
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11. CASE Expression4m 51sIn this video, you will learn how to use the CASE expression to facilitate a conditional inquiry in a SQL statement. FREE ACCESS
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12. Using the DECODE Function3m 57sIn this video, you will learn how to use the DECODE function to facilitate conditional inquiry in a SQL statement. FREE ACCESS
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13. Exercise: Use Functions and Conditional Expressions4m 11sLearn how to write SQL statements using the TO_CHAR, TO_DATE, DECODE functions and the CASE expression. FREE ACCESS
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