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A software package designed to define, manipulate, retrieve and manage data in a database data format, field names, record structure and file structure.
It returns the session settings for a specified option.
A function that returns a string of the specified number of space characters.
A copy of an existing table can also be created using CREATE TABLE.
It is a collection of interrelated data and a set of programs to access those data.
Write a SQL statement that truncates the table "Categories".
The DROP table command also adds and deletes various constraints in a table.
It converts a string to the upper-case.
This is used to in conditions that compare one expression with another value or expression.
It adds a time/date interval to a date and then returns the date.
It returns 1 or 0 depending on whether an expression is NULL.
It returns the position of a string within a list of strings.
The UPDATE constraint ensures that all values in a column are unique.
It returns the natural logarithm of a number to base 2.
It subtracts a time interval from a datetime and then returns the time/datetime.
The command which deletes the data inside a table, but not the table itself.
Write the SQL statement that will update the contactname to "Juan" for all records where country is "Mexico".
A function that returns the maximum value in a set of values.
A numeric function that returns the smallest integer value that is >= to a number.
True/False Character values are format sensitive and date values are case sensitive-sensitive.
It subtracts a time/date interval from a date and then returns the date.
An alter statement that is used to delete an existing column in the table.
It compares two strings.
Which of the following is not true about writing SQL statements?
A command which filters a result set to include only records that fulfill a specified condition.
This is used to test for values in a specified set of values.
A function that returns e raised to the power of a specified number.
It returns the user name and hostname for the MySQL account that the server used to authenticate the current client.
The command that adds, deletes or modifies columns in a table.
A syntax used to create a UNIQUE constraint on the "ID" column when the table is already created.
A command that deletes the data inside a table, but not the table itself.
It returns the arc tangent of one or two numbers.
The command to delete a view.
An operator used to return all rows that are common to multiple queries.
It returns a specified part of a date (as integer).
This operator is used to return all rows from multiple queries or multiple tables.
It returns the value of a number raised to the power of another number.
Which of the following is the correct example of updating the LASTNAME to ‘REYES’ of all students from STUDENTS table whose STUD_ID is equal to 01020564?
This is used to perform wildcard searches of valid search string values.
A command which deletes a table in the database.
It logically represents subsets of data from one or more table.
A function that returns the number of days between two date values.
It converts a value to a binary string.
The NULL values or blank data in the report are not ignored during duplicate checking.
Which of the following is the correct example inserting a new value to STUDENTS table that will only add new data to STUD_ID and LASTNAME? The stud_id is 10 and lastname is 'CRUZ' and the rest of the column is set to NULL.
It converts a number from one numeric base system to another.
A command that combines the result set of two or more SELECT statements or allows duplicate values.
It returns the position of the first occurrence of a string in another string.
A numeric function that returns the number of records returned by a select query.
It returns the remainder of a number divided by another number.
This is used to restrict the rows that are returned by a query.
The WHERE clause is not only used in SELECT statement, it is also used in UPDATE, DELETE statement, etc.
The rows in the first query that are not present in the second query.
A command that combines the result set of two or more SELECT statements (allows duplicate values).
It returns the position of a pattern in a string.
The function repeat returns the position of the first occurrence of a substring in a string.
The command that deletes the data inside a table, but not the table itself.
A function that adds two or more expressions together.
Are said to exhibit physical data independence if they do not depend on the physical schema.
It checks an expression and returns 1 if it is a valid date, otherwise 0.
The command which combines the result set of two or more SELECT statements or only a distinct values.
Write the SQL statement that deletes the table "Shippers".
Reversing the order of the intersected tables does not alter the result.
It removes leading and trailing spaces from a string.
True/False. This symbol % denotes zero or many characters.
It returns the character based on the ASCII code.
It returns a date from a numeric datevalue.
Write the SQL statement that selects all the customers from "Mexico" in the "Customers" table.
This is use to create expression with number and date values.
It is an association among several entities.
The pow function returns the value of a number raised to the power of another number.
Which of the following is the correct example of modifying the column JOB_ID? Change the datatype size to 10.
It compares two expressions and returns null if they are equal. Otherwise, the first expression is returned.
An operator used to specify multiple possible values for a column.
It returns the AUTO_INCREMENT id of the last row that has been inserted or updated in a table.
The DATE ADD returns the number of days between two date values.
It returns the number of days between a date and date "0000-00-00".
The command used to create a new table in the database.
An operator used to search for a pattern.
The command specifies the values of an INSERT INTO statement.
The IFNULL returns a value if a condition is TRUE, or another value if a condition is FALSE.
A command that updates a view.
It is the term generally used to describe what was done by large mainframe computers from the late 1940's until the early 1980's.
It is a unit of data – is a symbol or a set of symbols which is used to represent something.
It returns the smallest integer value that is >= to a number.
It returns the current date and time.
This command specifies the values of an INSERT INTO statement.
It returns the current database system UTC date and time.
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