The rows of the result relation produced by a SELECT statement can be sorted, but only by one column.

Introduction to SQL
The rows of the result relation produced by a SELECT statement can be sorted, but only by one column.

True

False

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Introduction to SQL
Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

Data Definition Language(DDL)

Both of above

Data Manipulation Language(DML)

None

Data Definition Language(DDL)

Both of above

Data Manipulation Language(DML)

None

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Introduction to SQL
Which of the following query finds the names of the sailors who have reserved at least one boat?

SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid;

None of These

SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid;

SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid;

SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid;

None of These

SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid;

SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid;

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Introduction to SQL
In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that:

all records meeting the full criteria are to be returned.

None of these

all columns of the table are to be returned.

all records with even partial criteria met are to be returned.

all records meeting the full criteria are to be returned.

None of these

all columns of the table are to be returned.

all records with even partial criteria met are to be returned.

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Introduction to SQL
The SQL WHERE clause:

Both A and B are correct.

limits the column data that are returned.

Neither A nor B are correct.

limits the row data are returned.

Both A and B are correct.

limits the column data that are returned.

Neither A nor B are correct.

limits the row data are returned.

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Introduction to SQL
SQL query and modification commands make up a(n) ________ .

XML

DML

DDL

HTML

XML

DML

DDL

HTML

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Introduction to SQL

Introduction to SQL The rows of the result relation produced by a SELECT statement can be sorted, but only by one column.

Introduction to SQL Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

Introduction to SQL Which of the following query finds the names of the sailors who have reserved at least one boat?

Introduction to SQL In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that:

Introduction to SQL The SQL WHERE clause:

Introduction to SQL SQL query and modification commands make up a(n) ________ .

Introduction to SQL
The rows of the result relation produced by a SELECT statement can be sorted, but only by one column.

Introduction to SQL
Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

Introduction to SQL
Which of the following query finds the names of the sailors who have reserved at least one boat?

Introduction to SQL
In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that:

Introduction to SQL
The SQL WHERE clause:

Introduction to SQL
SQL query and modification commands make up a(n) ________ .