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