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' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0)

1>> my first question is why this query is starting with Apostrophe, and even if it is starting why didn't we put at last to close it.

like this

' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0)'

2>> My second question is what is CONCAT function is being used for in this query

3>> And Why do we use having min(0) in here.

' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0)

1>> My first question is what is CONCAT function is being used for in this query

2>> And Why do we use having min(0) in here.

' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0)

1>> my first question is why this query is starting with Apostrophe, and even if it is starting why didn't we put at last to close it.

like this ' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0)'

2>> My second question is what is CONCAT function is being used for in this query

3>> And Why do we use having min(0) in here.

' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0)

1>> my first question is why this query is starting with Apostrophe, and even if it is starting why didn't we put at last to close it.

like this

' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0)'

2>> My second question is what is CONCAT function is being used for in this query

3>> And Why do we use having min(0) in here.

' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0)

1>> my first question is why this query is starting with Apostrophe, and even if it is starting why didn't we put at last to close it.

like this ' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0)'

2>> My second question is what is CONCAT function is being used for in this query

3>> And Why do we use having min(0) in here.

i have knowledge of

' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0)

1>> my first question is why this query is starting with Apostrophe, and even if it is starting why didn't we put at last to close it.

like this ' 1=1 GROUP BY CONCAT_WS ('~',version(), FLOOR(rand(0)*2)) having min(0)'

2>> My second question is what is CONCAT function is being used for in this query

3>> And Why do we use having min(0) in here.