45 lines
1.0 KiB
Markdown
45 lines
1.0 KiB
Markdown
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Syntax Examples
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===============
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This page contains some samples of SQL statements that can be executed in Hyrise.
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**Create Tables**
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```sql
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CREATE TABLE IF NOT EXISTS students FROM TBL FILE 'test/students.tbl';
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CREATE TABLE test (v1 INTEGER, v2 INTEGER, v3 INTEGER);
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```
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**Select with Join**
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```sql
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SELECT name, city, * FROM students AS t1 JOIN students AS t2 ON t1.city = t2.city WHERE t1.grade < 2.0 AND t2.grade > 2.0 AND t1.city = 'Frohnau' ORDER BY t1.grade DESC;
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```
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**Group By**
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```sql
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SELECT city, AVG(grade) AS average, MIN(grade) AS best, MAX(grade) AS worst FROM students GROUP BY city;
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```
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**Update and Delete**
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```sql
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UPDATE students SET name='Max Mustermann' WHERE name = 'Ralf Stiebitz';
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DELETE FROM students WHERE name = 'Max Mustermann';
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```
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**Prepare and Execute**
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```sql
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PREPARE batch_insert {
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INSERT INTO test VALUES (?, 0, 0);
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INSERT INTO test VALUES (?, 0, 0);
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INSERT INTO test VALUES (?, 0, 0);
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INSERT INTO test VALUES (?, 0, 0);
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INSERT INTO test VALUES (?, 0, 0);
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};
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EXECUTE insert_test(1, 2, 3, 4 ,5);
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```
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