mysql基本操作語句

mysql基本操作語句MySQL是一種常用的關(guān)系型數(shù)據(jù)庫管理系統(tǒng)，經(jīng)常用于存儲和管理數(shù)據(jù)。下面是一些常用的MySQL基本操作語句及其相關(guān)參考內(nèi)容:

1.創(chuàng)建數(shù)據(jù)庫:

```sql

CREATEDATABASEdatabase_name;

```

參考內(nèi)容:[MySQLCREATEDATABASE語句](/doc/refman/8.0/en/create-database.html)

2.刪除數(shù)據(jù)庫:

```sql

DROPDATABASEdatabase_name;

```

參考內(nèi)容:[MySQLDROPDATABASE語句](/doc/refman/8.0/en/drop-database.html)

3.創(chuàng)建表:

```sql

CREATETABLEtable_name(

column1datatypeconstraint,

column2datatypeconstraint,

...

);

```

參考內(nèi)容:[MySQLCREATETABLE語句](/doc/refman/8.0/en/create-table.html)

4.刪除表:

```sql

DROPTABLEtable_name;

```

參考內(nèi)容:[MySQLDROPTABLE語句](/doc/refman/8.0/en/drop-table.html)

5.插入數(shù)據(jù):

```sql

INSERTINTOtable_name(column1,column2,...)

VALUES(value1,value2,...);

```

參考內(nèi)容:[MySQLINSERT語句](/doc/refman/8.0/en/insert.html)

6.更新數(shù)據(jù):

```sql

UPDATEtable_name

SETcolumn1=value1,column2=value2,...

WHEREcondition;

```

參考內(nèi)容:[MySQLUPDATE語句](/doc/refman/8.0/en/update.html)

7.刪除數(shù)據(jù):

```sql

DELETEFROMtable_name

WHEREcondition;

```

參考內(nèi)容:[MySQLDELETE語句](/doc/refman/8.0/en/delete.html)

8.查詢數(shù)據(jù):

```sql

SELECTcolumn1,column2,...

FROMtable_name

WHEREcondition

ORDERBYcolumnASC/DESC;

```

參考內(nèi)容:[MySQLSELECT語句](/doc/refman/8.0/en/select.html)

9.連接表:

```sql

SELECTcolumn_name(s)

FROMtable1

JOINtable2

ONtable1.column_name=table2.column_name;

```

參考內(nèi)容:[MySQLJOIN語句](/doc/refman/8.0/en/join.html)

10.排序數(shù)據(jù):

```sql

SELECTcolumn1,column2,...

FROMtable_name

ORDERBYcolumnASC/DESC;

```

參考內(nèi)容:[MySQLORDERBY語句](/doc/refman/8.0/en/sorting-rows.html)

11.分組數(shù)據(jù):

```sql

SELECTcolumn1,COUNT(column2)

FROMtable_name

GROUPBYcolumn1;

```

參考內(nèi)容:[MySQLGROUPBY語句](/doc/refman/8.0/en/group-by-modifiers.html)

12.修改表結(jié)構(gòu):

```sql

ALTERTABLEtable_name

ADDcolumn_namedatatypeconstraint;

```

參考內(nèi)容:[MySQLALTERTABLE語句](/doc/refman/8.0/en/alter-table.html)

以上是MySQL的一些基